Generation, conversion, or distribution of electric power (H02)

H   Electricity(223121)
H02            Generation, conversion, or distribution of electric power(58369)

Residual current device in reed switches and magnetoresistor for converter installation with transformer and rectifier // 2614243
FIELD: electricity.SUBSTANCE: device consists of a final element, a transformer of a converter installation consisting also of a rectifier which is connected to load, to the first, second, third, fourth, fifth, sixth, seventh, eighth, nineth reed switches with control windings, to the first, second, third, fourth, fifth, sixth, seventh, eighth, nineth reed switches with no windings, wherein the first (fourth, seventh), second (fifth, eighth), third (sixth, nineth) reed switches with control windings are located in the AC magnetic field of current leads in Line A, B, C of the converter installation respectively, as well as the first (fourth, seventh), second (fifth, eighth), third (sixth, nineth) reed switches without windings, the first gauge unit with DC control power supply designed as Wheatstone bridge wherein a magnitoresistor is used as one of its ports and fixed in the DC magnetic field of the current lead in the converter installation and resistors as the rest of the ports, one Wheatstone bridge diagonal is used as outputs of the first gauge unit, and the other one is connected to the output of the DC control power supply, the second and the third gauge units configured in the same way as the first gauge unit, the first, second, third alarm units, the first, second, third control reed switches with control windings and the first, second, third adjustable resistors through which the control winding ends of the first, second and third, fourth, fifth and sixth, seventh, eighth and nineth reed switches are connected to the first outputs of the first, second, third gauge units respectively, the winding starts are connected to the second outputs of the first, second, third gauge units, the first tuning unit for magnetizing-current inrush designed as the first element "И", the first element "НЕ", the first, second, third elements "ВРЕМЯ", element "ПАМЯТЬ", the second, third, fourth, fifth, sixth, seventh, eighth, nineth tuning units for magnetizing-current inrush designed exactly the same as the first unit, the first, second, third comparing elements, the first, second, third, fourth, fifth, sixth diagnostic units, the second, third, fourth, fifth, sixth, seventh, eighth, nineth, tenth, eleventh, twelfth, thirteenth elements "И", the first, second, third, fourth elements "ИЛИ", where the first, third, fifth diagnostic units are designed as the fourth, fifth, sixth, seventh, eighth, nineth elements "ВРЕМЯ", the fourteenth, fifteenth, sixteenth elements "И", the second, third, fourth, fifth, sixth, seventh, eighth, nineth, tenth elements "НЕ", the second, fourth, sixth diagnostic units are designed as the tenth, eleventh, twelfth elements "ВРЕМЯ", the seventeenth, eighteenth, nineteenth elements "И", the eleventh, twelfth, thirteenth elements "НЕ".EFFECT: improved device reliability.2 cl, 5 dwg

Noncontact electric power supply system // 2614150
FIELD: electricity.SUBSTANCE: system contains: electric power transmission coil; conversion unit which converts electrical energy supplied at the electrical power transmission side and outputs the electrical energy in the electric power transmission coil; controller at the electric power transmission side that controls the conversion unit; electric power receiving coil that receives an electric power from the electric power transmission coil in a contactless manner by at least a magnetic coupling and supplies the electric power into the load electrically connected to the electric power receiving coil; smoothing unit which smooths the electric power received by electric power reception coil; a sensor which detects a current flowing in the smoothing unit or the voltage of smoothing unit; and a controller for electric power reception side that receives the detection value of the sensor. The controller at the electric power transmission side transmits information from the electric power transmission side to the side of electric power reception by controlling the current value or the time of the outgoing current output in electric power transmission coil from the conversion unit, and controller at the electric power receiving side receives the information by obtaining the encoded values from the detection values.EFFECT: ensuring the transfer of information between the electric power transmission and reception sides without the need for a separate communication coil.6 cl, 19 dwg

ethod for reducing inrush current of single-phase transformer when re-enabling in idle mode // 2614053
FIELD: electricity.SUBSTANCE: method comprises a switch contact closure when connecting the transformer to the network at the time of the maximum instantaneous voltage value in phase 90°. Herewith, prior to the switch contact closure when the transformer is connected to the network, demagnetization of the transformer magnetic circuit is completed by removing the residual magnetization of the transformer magnetic circuit by supplying direct current to the primary transformer winding of the amount sufficient to bring its magnetic circuit to saturation. Then, current is switched off and damped oscillatory discharge of the transformer current produces remagnetization of the magnetic system through the discharge capacitor with a gradual decrease of the magnetic induction amplitude to zero, and the switch contact closure with the transformer connected to the network, is performed by switching the device to the specified voltage phase comprising a switch control circuit, while the switch contacts are closed at the given phase after constant voltage supplying to the switch control circuit for synchronization with network voltage.EFFECT: increasing efficiency of the inrush current reduction .1 dwg

Electric power supply device, transportation device and noncontact electric power supply system // 2614052
FIELD: electricity.SUBSTANCE: invention provides for the following: control unit for the noncontact electric power supply, supplying electric power in noncontact manner from the power transmission coil into the coil that receives electric power by means of at least a magnetic coupling, and which charges the transportation device battery; contact electric power supply unit, supplying electricity into transportation device battery by electrically connecting through a cable to a connecting terminal provided for in the transportation device; and a controller which controls the control unit for noncontact electric power supply and contact electric power supply unit. When the first transportation device battery is charged by one power supply system from among the noncontact electric power supply system of control unit for noncontact electric power supply and contact electric power supply unit, and there is request from the second transportation device for the electric power supply by another electric power supply system, electric power supply by one power supply system continues, while the electric power supply by the another power supply system is switched to standby mode.EFFECT: preventing limitations for charge of the battery charging by one electric power supply system in the presence of a request for charge by the other power supply system.3 cl, 7 dwg

ultilevel power converter // 2614051
FIELD: physics, instrument-making.SUBSTANCE: invention relates to conversion equipment. Base phase circuit U comprises semiconductor elements (SU1.1-SU1.4) from first through fourth, connected between the lead of a positive electrode and the lead of a negative electrode of a DC voltage source (DCC1), a fifth semiconductor element (SU1.5), having a connection with the common connection point of the first and second semiconductor elements (SU1.1, SU1.2), and a sixth semiconductor element (SU1.6), having a connection with the common connection point of the third and fourth semiconductor elements (SU1.3, SU1.4). A floating capacitor (FC1) is connected between the fifth semiconductor element (SU1.5) and a sixth semiconductor element (SU1.6). Voltage selection circuits as input terminals have common connection points of the second and third semiconductor elements (SU1.2, SU1.3) of corresponding base circuits and comprise, between the input terminals and the output terminal (U, V, W), semiconductor elements (SU1-SU4).EFFECT: in a multilevel power converter, arbitrary voltages of all phases can be applied at the output, wherein control needed to apply arbitrary voltage levels of all phases is easier.18 cl, 30 dwg, 2 tbl

Transistor inverter // 2614045
FIELD: electricity.SUBSTANCE: transistor inverter has an uncontrolled rectifier arranged in a bridge circuit that is connected on one side to a power line, on the other hand to the capacitor filter, to the positive and negative terminals of which is connected single-phase voltage inverter comprising four field-effect transistors, two-wheeling diode and inverter control unit, a drain of the first power transistor connected to the cathode of the first free-wheeling diode and the positive terminal of the filter capacitor, the source of the first power transistor is connected to the anode of the first free-wheeling diode, the drain of the second power transistor connected to the cathode of the second free-wheeling diode and the positive terminal of the filter capacitor, the source the second power transistor connected to the anode of the second diode is reverse, the gates of all four field transistors are connected to the inverter control unit. The voltage source inverter, the first power transistor is connected to the source of the first auxiliary transistor, the drain of which is connected to the negative terminal of the filter capacitor. The source of the second power transistor is connected to the source of the second auxiliary transistor whose drain is connected to the negative terminal of the filter capacitor. The transformer has two primary semi-windings, first and second in series and according to the forming medium output beginning of the first primary semi-windings connected to the sources of the first power transistor and the first auxiliary transistor and the end of the second primary semi-windings connected to the sources of the second power transistor and the second auxiliary transistor. To the secondary winding of the transformer, the active-inductive load is connected in parallel. To the middle pin of the transformer, the beginning of the primary winding of a three-winding choke is connected, the end of the primary winding is connected to the negative terminal of the filter capacitor. Finished auxiliary winding two winding inductor is connected to the anode of the diode of the charge storage capacitor electric power, the cathode of which is connected to one terminal of a capacitor storage of electric energy and at the same time to the anode of the thyristor, the cathode of which is connected to the middle conclusion of the transformer, the other terminal additional winding two winding inductor and a second terminal capacitor electrical energy storage device connected to the negative terminal of the filter capacitor. The gate electrode of the thyristor is connected to the inverter control unit.EFFECT: reducing the amount of power field-effect transistors, which reduces the weight and size parameters and the key elements of the converter as a whole, increase the control range of the output voltage on the active-inductive load, providing galvanic isolation of the high-voltage inverter and the load.2 dwg

Salient-pole rotor of electric machine // 2614043
FIELD: electrical engineering.SUBSTANCE: invention relates to electric machines, particularly to salient-pole electric machines, in particular to designs for attachment of windings on the electric machine rotor. Salient-pole rotor of electric machine comprises shaft, core, made as a whole, consisting of rotor yoke and poles with pole tips, coil, arranged in rectangular loop around the poles. Each coil is equipped with bandage of rectangular shape, made in the form of layers from non-magnetic synthetic material and fitted with interference along the entire outer surface of the coil.EFFECT: technical result – increased reliability of electric machine, increased service life of rotor, higher efficiency of the rotor.1 cl, 1 dwg

Portable radio stations power supply device // 2614036
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used as reliable DC power supply device of portable radio stations, vehicles, etc. Technical result is aimed at improvement of power supply systems storage batteries charge capacity. Technical result is achieved due to, that power supply device, containing storage batteries, electronic switches, connecting batteries with load, additionally comprises time relay, connected to electronic switches control inputs, logic element "AND", connected to time relay control input, voltage relays, connected to storage batteries outputs and with logical element "AND" inputs. When using storage batteries with smaller current take-off and at intermittent current take-off storage batteries charge capacity has larger value, than at high and continuous loads. Time relay in portable radio stations power supply device circuit performs storage batteries switching, increasing discharge time of each storage battery of device, which allows to increase service life of storage batteries by 10 % and thereby prolonging portable radio station continuous operation duration.EFFECT: proposed device has low power consumption.1 cl, 1 dwg

Semiconductor power conversion device // 2614025
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used in semiconductor power converters. A semiconductor power conversion device includes: a semiconductor power transducer (4), which performs power conversion using switching elements (42-1 - 42-6), and supplies power to the load (5); a unit (1) of calculating commands for the converter voltage control, which outputs a value Vref of the voltage control command that controls the semiconductor module (4) energy; a unit (2) of the voltage control, which applies the second voltage command value to the voltage command value Vref to generate the voltage command value Vref2; a unit (3) for PWM signal generating that generates a strobe signal for controlling the actuation of switching elements (42-1 - 42-6), based on the voltage control command value Vref2, and sends the strobe signal to the semiconductor power converter (4); and a shunting unit (6) that connects to the semiconductor power conversion device (4) parallel with the load (5) and branches the current with the frequency of the second voltage control command value from the output current Iout, which is issued from the semiconductor converter (4) to the load (5).EFFECT: technical result is to improve the reliability of operation by providing the required current value.14 cl, 8 dwg
ethod of electroproducts junctions impregnation by polish ml-92 // 2613926
FIELD: electricity.SUBSTANCE: invention relates to a method of junctions impregnation of electrical products, representing a frame with multilayered winding electric wires on it and the presence of output ends of the wires BPVL with combined braid from natural and synthetic yarns impregnated with insulating varnish. The method of junctions impregnation by varnish ML-92 is presented as a junctions impregnation treatment with a multilayer winding by vacuum pressure. Previously degreased by wiping with a cloth, moistened with alcohol or alcohol-gasoline blend, and wiped with a dry cloth coils with the presence of the coil lead-out ends of the wires BPVL heated in an oven at a temperature of 60…70 °C for 2 hours, impregnation of coils produced in the autoclave by varnish ML-92 in the state of delivery, washing of impregnated coils is produced only by white spirit with a cloth, before the final drying produce an additional outlet ends lubrication by castor oil, final drying varnish impregnated ML-92 coils produce by the following mode: 5 hours at a temperature of 65-85°C, then 5 hours at a temperature of 90-100 °C, then 10 hours at a temperature of 110-120 °C.EFFECT: increasing electrical insulating properties of products, mechanical strength and moisture resistance braid outlet ends.

Spreader-damper for phase-splitted wires of overhead power line // 2613919
FIELD: electricity.SUBSTANCE: spreader-damper for split-phase wires (1) of the overhead power line consists of the housing (2), the beams (3) with dies-clamps (4) at one end for fastening the spreader to the wires (1) and damper assemblies on the other end located in the grooves (5) of the housing. The damper assembly consists of elastomeric discs (6) fastened by a vertical axis (7) on which the covers with fasteners (8) are mounted.EFFECT: spreader-damper has high vibration characterstics and good reliability during long-term operation.5 cl, 1 dwg

Device for fixing connecting wires, boxe for electrical components, which is used to hang unit wires and indoor unit for air conditioning unit // 2613859
FIELD: electricity.SUBSTANCE: mounting device comprises a mounting element, and wire clip wire, which are disposed opposite each other to hold therebetween the connecting wires. On the mounting element surface and clamp the wires are wire-pressing ridges extending in a direction transverse to the wire pads in alternating positions in the direction of the wire laying. The ridges on one side of mounting element and clamping the wire are composed of two or more ridges aligned in the direction of the wire laying, and a crest of the ridges, that has a flat-pressing the wire surface at its projecting end and the other ridges, including ridges on the other side, they have triangular shape protruding end forming an acute angle. Thus, one of the ridges, that have a triangular shape on one side of the mounting element wires and wire clamp situated in a position with the provisions of alternating ridges having a flat surface and a pressing wire of triangular shape located on the other side.EFFECT: ability to withstand not only the tensile force in the pulling direction, and a tensile force in the twisting direction applied to the connecting portion between the connecting cable and terminal block regardless of the specifications of the connecting wires.4 cl, 11 dwg

Automated system for fast charging the asymmetric current batteries // 2613684
FIELD: electricity.SUBSTANCE: automated device for rapid charge batteries asymmetric shocks contains a power unit comprising a first filter unit, the unit regulated power charge-discharge current, the second filter unit, power amplifiers, power connection of the batteries and the control system comprising a control unit connected with display unit, an audio alarm unit of pulse width modulation (PWM) reference unit and the unit charge algorithm analog-digital conversion (ADC), a current flow sensor, the voltage sensor unit. The power unit introduced unit load coupled to the first filter unit and the controllable source of the charge-discharge current RCCB photovoltaic batteries, the diode connected to the first filter unit, and the control system put the voltage sensor unit coupled to the ADC block unit interface by interface SMBus connected to the unit (ISU) of the control module and the control and management, built-in battery, amplifier unit connected to the ADC unit and the current sensor unit, interface unit via the I2C interface connected to the control unit, the input-output unit connected to a personal computer.EFFECT: provision of stabilizing charge-discharge current.

Device for regulating voltage and method for its control // 2613679
FIELD: electricity.SUBSTANCE: for voltage regulation device comprising a transformer, one of whose windings comprises in each phase, are connected in series primary and an adjusting part, at least two switching units, one of which is connected with a branch regulating section, and the other switching node is connected to the extreme output adjusting part. Each switching node comprises a thyristor switch, and the ends of the switching nodes are interconnected to form a common point connected to the common points of the switching nodes of other phases. In each phase of the device there is a current transformer connected between the branch portion and the adjusting key thyristor; In addition, the device in each phase can be connected in series reactor and reactor trip unit connected in parallel with thyristor key connected to the output regulating section extreme. Thyristor key management unit is injected to each phase of the device and the other phases thyristor switches. In the method for regulating the voltage of one embodiment of the regulation is carried out by opening the thyristor keys, switching thyristors thyristor keys from one switching node to another is accomplished by pre-closing thyristor thyristor keys one switching node, followed by the opening of the thyristor thyristor keys of another switching node without interrupting passing through the reactor when switching operating current of the transformer. Alternatively, in the method of regulating the voltage, the regulation is carried out by opening the thyristor keys in phases at increasing voltage is performed as follows: in the rest position thyristor keys connected to the extreme terminals regulating section, left open in all phases, and then close the thyristor switch connected to extreme conclusion of the first phase adjustment portion, and open thyristor switch connected to a branch of this phase adjustment, then the keys sequentially switched thyristor in the other phases, similar to switching triac keys in the first phase; wherein the switching thyristor voltage drop on the key is carried out in reverse order.EFFECT: provision of rich functionality with the introduction of per-phase voltage control in complete control range by switching thyristor keys alternately in each of the primary winding phase.5 cl, 1 dwg

Linear actuator // 2613670
FIELD: physics, instrument engineering.SUBSTANCE: invention relates to electrical engineering, to the electrodynamic elements designed to convert electrical energy into mechanical energy, and can be used in robotics, especially in the executive manipulator systems. The linear actuator comprises an element in the form of a loop of insulated wire, the ends of which are connected to a source of electric power and input and output rods. Each of the two branches of the loop is made in the form of two rigid conductive busbars which are connected with bearings. The ends of these busbars are connected to the input and output rods. Due to the introduction of the rigid conductive busbars interconnected with the bearings, the force and the service life are encreased, which increases productivity and reduces unit costs.EFFECT: invention provides the increased efforts and improved performance in the executive manipulator systems.5 cl

Rotor and jet inductor engine // 2613664
FIELD: engines and pumps.SUBSTANCE: rotor for a synchronous rotary electric machine comprises a rotor shaft and a soft magnetic element of cylindrical shape, mounted coaxially on the rotary axis and fixed in both axial and tangential direction. Said soft magnetic element has recesses forming an even number of salient magnetic poles to create barriers for the magnetic flux and the optimization of the magnetic permeability ratio along the axes d and q. Wherein at least one recess is at least partially filled with a diamagnetic or a paramagnetic medium instead of air. At least one spacer element is located on the rotary axis. Wherein the gap lying above the spacer element is at least partially filled with a paramagnetic or diamagnetic medium, said paramagnetic or diamagnetic medium forming an integral body.EFFECT: improved magnetic characteristics of the rotor.12 cl, 7 dwg

Spacecraft electric power supply system // 2613660
FIELD: physics, instrument-making.SUBSTANCE: invention relates to conversion equipment, particularly to on-board electric power supply systems of spacecraft, and can be used when designing and making electric power supply systems of automated spacecraft based on solar and accumulator batteries. According to the invention, the spacecraft electric power supply system comprises a solar panel, an accumulator battery, a voltage stabiliser and a charging device, which are made in form of bridge control inverters, a discharge device, two separate matching transformers, two rectifiers, a control system with extremal power control, a device for monitoring charge condition of the accumulator battery, a current sensor and a load. The technical result of the invention is high energy efficiency of the spacecraft electric power supply system due to implementation of extremal power control of solar panels both in AB charge mode and in combined power mode of the on-board load from SB and AB, enabling use of a solar panel with operating point voltage both higher and lower than the stabilised output voltage of the load supply bus, enabling use of an accumulator battery with any nominal voltage lower than the output stabilised load supply voltage, as well as easy matching of SB, AB and load voltages, which prevents the open-circuit voltage of the solar panel from exceeding 170 V, which prevents electrostatic discharge between SB photodiode circuits and current terminal elements.EFFECT: invention provides higher energy efficiency of spacecraft power supply system.2 dwg

Compensation-balun // 2613656
FIELD: electricity.SUBSTANCE: area of use: the invention relates to the protection of the electric lines from accidents, namely to the automatic compensation of capacitive earth fault currents of 6-10 kV with neutral earthed through an adjustable arc suppression reactor, as well as in networks with combined neutral grounding with the same arc suppression reactor. The invention can be used to automatically adjust the arc suppression reactor inductance by phase method in response to the capacity of the distribution network and for natural network asymmetry compensation in the normal network operation. Substance of the invention: the compensation-balun includes adjustable arc suppression reactor 1 connected to the phase network neutral and device 2 of the natural network asymmetry compensation. Arc suppression reactor 1 is made with control winding 3 and signal winding 4. Device output 2 is connected to control winding 3 of arc suppression reactor 1, and the input - to the neutral conductor and to phases "A", "B", "C" of network 5 380 V 50 Hz used for their own needs. Phase current or total current of two phases is introduced, when the source of the artificial neutral displacement is disabled through the current regulator in device 2 to the zero sequence circuit through the control reactor winding. Current controllers in device 2 are identical.EFFECT: creating a universal device that allows to perform natural network asymmetry compensation without the device rework in a wide range of variations; the possibility of actual current regulating of natural network asymmetry without disconnecting the arc suppression reactor from the network; improving the accuracy and reliability of the compensation results; increasing the stability of the neutral voltage displacement and ensuring the sustainability of the automation in devices for automatic capacitive earth fault current compensation using the phase or amplitude adjustment principle of the arc suppression reactor.2 cl, 1 dwg

Vehicles power accumulation subsystem, containing, at least, one supercapacitors bank, power accumulation system with such subsystem and rail vehicle with such system // 2613628
FIELD: power engineering; transportation.SUBSTANCE: group of inventions relates to vehicle electrical traction system powered by own power supply sources. Power accumulation subsystem comprises metal housing, power accumulation system and electrical protective devices. Energy accumulation system is mechanically secured inside metal housing and includes capacitor modules with several supercapacitors. Supercapacitors are electrically connected in series to each other and located inside metal shell. Electrical protective device is made with possibility to open electric circuit so, that metal housing or supercapacitors bank were connected with electrical grounding. Power accumulation system comprises power accumulation subsystem. Railway vehicle contains accumulation system.EFFECT: technical result consists in improvement of supercapacitors banks protection in case of internal insulation fault.9 cl, 5 dwg

Providing transport vehicle, particularly rail vehicle or road car, with electrical energy by induction // 2613625
FIELD: electricity.SUBSTANCE: group of inventions relates to the system for providing a transport vehicle with electric power. The system includes the conductive structure (11) of the primary side, the conductive structure (21) of the secondary side, the shield structure (13) of the primary side and the shield structure (23) of the secondary side. The conductive structures (11, 21) are made from conducting material. The screening structure (13, 23) of the sides are made from magnetizable material. The shielding structure (13) extends at the side of the structure (11) at the same level and to a height level above the lateral edge of the structure (11). Wherein the shielding structure (13) is also located within the gap between the structures (11) and (21). The shielding structure (23) extends at the side of the structure (21) at the same level and and to the level below the height of the lateral edge of the structure (21). Wherein the shielding structure (23) is also located within the gap between the structures (11) and (21). Also a vehicle comprising the said system and methods of providing the vehicle with electric power are claimed.EFFECT: invention provides protection of the environment from the electromagnetic field.5 cl, 7 dwg

Determining direction of ground short circuit for distributing networks of medium or high voltage // 2613360
FIELD: electrical engineering.SUBSTANCE: according to the method a) sampled is residual voltage (Vr) of three-phase electric system (30) of power supply and residual current (Ir) in the above said measuring unit to obtain sampled signal (UN) of the residual voltage and sampled signal (IN) of the residual current; b) filtered is in the first digital filter (41) sampled signal (UN) of the residual voltage and applied to it is a phase shift to extract a shifted in phase component of the filtered signal with a noninteger order of the main frequency and to obtain a shifted in phase filtered signal (UNH) of voltage; c) filtered is discrete signal (IN) of the residual current in the second digital filter to extract a component of the filtered signal with a noninteger order of the main frequency to obtain filtered signal (INH) of current; d) used is filtered signal (INH) and shifted in phase filtered signal (UNH) for calculating transient reactive power (QR) flowing through the said measuring unit; e) determined is the direction of a short circuit depending on a sign of the calculated transient reactive power (QR).EFFECT: wider range of equipment.5 cl, 10 dwg

Electrical component for rail mounting // 2613359
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering. Electrical component that is adapted for being mounted onto a rail comprises a first outward-facing slot for receiving a first brim of a rail of a first type, a first outward-facing snap-lock for fixating a second brim of a rail of first type, a first inward-facing slot for receiving a first brim of a rail of a second type and a first inward-facing snap-lock for fixating a second brim of a rail of second type.EFFECT: technical result consists in broader operational capabilities through possibility of fixation on rails of different types.14 cl, 17 dwg

ethod and device for electric current input into electric network // 2613357
FIELD: energy.SUBSTANCE: use: in electric power engineering. According to method of electric current input into electric three-phase network with first, second and third phases with first, second and third voltages with network frequency measuring first, second and third voltages, converting first, second and third voltages into positive-sequence voltage system and negative sequence voltage system by symmetrical components method, calculating first, second and third specified currents for input into network first, second and third phases, wherein calculation of first, second and third specified currents is made depending on, at least, one value of positive-sequence voltages system and/or negative-sequence voltages system.EFFECT: technical result is provision of asymmetric energy input into network for compensation of available in network asymmetry.14 cl, 3 dwg

Semiconductor device of regulating speed of single-phase double-wound asynchronous electromotor with mentioned dc link // 2613345
FIELD: electricity.SUBSTANCE: semiconductor device is a single-phase two-winding speed control of an asynchronous motor with pronounced DC link refers to a controlled semiconductor converters for single-phase two-winding induction motor and can be used for modulating the motor speed. Two single- phased autonomous inverter frequency converter connected to the mains DC. Each of the single-phase autonomous inverters, frequency converters are made on two pairs of semiconductor switches. By midpoints of serially connected semiconductor switches in each transmitter-frequency inverter connected to the stator windings. The emitters of a pair of two semiconductor switches each single-phase autonomous inverter-inverter, which is used as the n-p-n transistors, combined and connected to negative supply DC. The collectors of the two semiconductor switches, which are used as the n-p-n transistors are connected to a midpoint of serially connected semiconductor switches, and to the stator winding. As two semiconductor switches of other pairs of each single phase autonomous inverter-converter frequency used thyristor with oppositely switched diodes, wherein in each of these semiconductor switches thyristor anode and the cathode of the diode are combined and connected to the positive supply DC and the thyristor cathode and anode of the diode are combined and connected to a midpoint of serially connected semiconductor switches, and to the stator winding.EFFECT: improved reliability of the device and, accordingly, a two-winding single-phase induction motor, it is possible to use a small amount of control power sources for the transistors at a low cost device and electric power consumption is reduced to maintain the open state of the transistors.7 dwg

Device for controlling voltage and control method thereof // 2613340
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering, in particular, to conversion equipment, and can be used to control voltage of converter transformers. Device for controlling voltage comprises a transformer, where in each phase intermediate output of primary winding is connected to beginning of thyristor switch, made from two anti-parallel connected thyristors, and end of primary winding is connected to a reactor, end of which is connected to end of thyristor switch, forming a common point connected to similar common points of other phases. Apparatus includes a control unit for thyristor switches of transformer windings of each phase. Method of controlling voltage when switching thyristor switches to increase voltage first comprises opening thyristor switch of one phase followed by successive connection of other and subsequent phases, and switching thyristor switches for voltage reduction is performed in reverse order.EFFECT: wider range of voltage control.2 cl, 1 dwg

ultilevel power converter // 2613333
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used in multilevel converters. Multilevel power converter includes: n input stages (Ein_n), where n is greater or equal to 1, and each input stage comprises n+1 identical input converters (CONVx_En), connected to each other, wherein input converters have same topology, selected from structures NPC (Neutral Point Clamped), ANPC (Active Neutral Point Clamped), NPP (Neutral Point Piloted) and SMC (Stacked Multicell Converter); output stage (Eout) connected to input stage rank 1 and including output converter (CONVS), powered by differential voltage Vfloat, generated by first electric potential, applied to output o first input of converter of input stage rank 1, and second electric potential applied to output of second input converter of input stage rank 1, wherein output converter (CONVS) has a topology, selected from structure with floating capacitor (FC), SMC (Stacked Multicell Converter), NPC (Neutral Point Clamped), NPP (Neutral Point Piloted) and ANPC (Active Neutral Point Clamped).EFFECT: enabling operation at high voltages without using transformers and with maximum limited number of passive components.7 cl, 18 dwg, 2 tbl

ethod for power supply and power supply with usb interface for load time-division multiple access system // 2613179
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering and can be used in load time division multiple access systems. Power supply with USB interface comprises: USB interface, smooth switching circuit and DC/DC conversion circuit, which are connected in series. From output of DC/DC conversion circuit power is supplied to loading time-division multiple access system. Power supply source also comprises a capacitor, first end of which is connected between smooth switching circuit and DC/DC conversion circuit, and second end is grounded. Said capacitor is used for limitation of input current of DC/DC conversion circuit. Value of capacitor is selected in accordance with voltage on capacitor, when loading time-division multiple access system is operating or not operating, maximum current allowable for output via a USB interface, input voltage of DC/DC conversion circuit, voltage and current required by load time division multiple access system, and period of operation of load time-division multiple access system.EFFECT: technical result consists in compensation of power at reduced capacitance in circuit of connector, providing compensation of power, ensuring working parameters of power supply source with USB interface.8 cl, 8 dwg

ethod for determining circuit location in electrical system // 2613158
FIELD: electricity.SUBSTANCE: allocate two subsystems, which contacts at the place of closure. For the first subsystem make the transformative model, and for the second - simulative model. Inputs of converter model correspond to the inputs of the first subsystem, and the output - to the place of the intended closure. The inputs of the simulation model are divided into basic, corresponding inputs of the second subsystem, and additional corresponding to the place of the intended closure. The role of the transformational model is to form an intended circuit voltage space of continuous voltages and currents, obtained for the inputs of the first sub-model. A simulation model is activated by acting on its main input by continuous input voltages of the second sub-models. An additional input is affected by the output signals of the converter model. The reaction of the simulation model is determined only at the main inputs. There are currents, which are created by the impacts on all the inputs of the model. At the final stage determine the difference between the continuous currents in the main inputs, obtained from the observed currents and the model reaction. The level of difference currents carries information on whether the assumption is made correctly on the place of damage. The zero level indicates the coincidence of the real space with the expected.EFFECT: enlarging functional capabilities of the method.1 tbl, 7 dwg

Automated equipment monitoring device for electric substation // 2613130
FIELD: information technologies.SUBSTANCE: automated equipment monitoring device for electrical substation comprises a computer connected to a sensor for metering the parameters of substation equipment. The computer is designed as a microprocessor-based data acquisition and processing unit. The sensors themselves are installed outside the sensors and connected with them using one or two fiber-optic cables. The cables are respectively connected to optical signal generator and receiver, either integrated or separated. The microprocessor and sensors are arranged in a single housing, which is fitted with a power supply, a display and an interface module. The sensors are connected to the personal computer by means of electrical or fiber optic connection. The sensors can be formed as current, voltage and temperature sensors. The microprocessor comprises a microcontroller connected with a Profinet and / or Ethernet communication module, ROM and RAM-1 memory as well as with a data controller to which RAM-2 with the ring buffer and the switching board with input sensor signals are connected. The microprocessor unit output is connected via Profinet and / or Ethernet network with the operator station.EFFECT: improvement of reliability and versatility of monitoring devices.2 cl, 7 dwg, 1 tbl

Automatic cleaning method for pump system including smooth start device // 2612759
FIELD: engines and pumps.SUBSTANCE: group of inventions relates to pump electric motor program control system. Control method consists in fact, that during first period of time motor is accelerated to full speed in forward direction, then motor is decelerated, then motor is accelerated to preset speed in reverse direction during second period of time, then motor is decelerated and repeating steps for one or more times. At that, specified speed in reverse direction makes approximately 1/3 of full speed in forward direction. Second version of method consists in fact, that steps are performed by means of smooth start device circuit control using flow vector control, which enables to make preset speed in reverse direction equal to full speed in forward direction. Disclosed are smooth start device and pump system, which operate according to said methods.EFFECT: technical result consists in reduction of mechanical stresses in motor and longer service life of pump system.11 cl, 3 dwg

Hybrid roof solar panel // 2612725
FIELD: construction.SUBSTANCE: hybrid roof solar panel is installed on the building roof, the normal to the roof surface is located in the longitudinal plane, comprises the housing and the protective coating on the working surface, made in the form of an optical deflection system of a set of prisms on which solar radiation falls with the rays entrance angle β0, the semi-parabolo-cylindrical mirrored reflector and the radiation receiver in the form of a strip mounted between the focal axis and the semi-parabolo-cylindrical mirrored reflector top, wherein the radiation receiver is made in the form of a hybrid cogeneration solar photoelectrical module with the second protective coating, mounted in an angle of ≤90° to the protective coating of the hybrid solar roof panel, the second protective coating and the housing of the hybrid roof solar panel form a sealed cavity filled with polysiloxane gel, in which the radiation receiver of commutated solar elements is placed, the outer housing wall on the sealed cavity side contains the channels in which the embedded pipes for pumping the coolant are arranged, the hybrid roof solar panel housing and the pipes outside the housing are equipped with thermal insulation, the hybrid solar roof panel includes electrical and hydraulic sockets for connecting to the adjacent hybrid solar roof panels.EFFECT: increased efficiency of the solar energy use in the roof solar panel and reducing the cost of producing electricity and heat.20 cl, 8 dwg, 1 tbl

Solar power station // 2612670
FIELD: power industry.SUBSTANCE: solar power station contains the concentrators, tracking system and photodetectors in the focal area of each concentrator, installed in the transparent for solar radiation shell and provided with the device for heat removal, the transparent shell contains homogenizer of the concentrated solar radiation made from a set of flat thin plates of optically transparent material, the homogenizer cross-section sizes are proportional to the photodetector working surface size, the width of each plate is equal to the distance between the current collector, the multiplication of the plates thickness to their number determines the size of the homogenizer along the diode structures p-n junction plane, homogenizer length is 2-10 times more than working surface sizes of photodetector, the diode structures planes are parallel to two of the four homogenizer faces and the heat dissipation device is made in the form of thin plates from the thermally conductive material, attached to the current leads of each solid matrix section by soldering or welding parallel to the diode structures p-n junctions plane, the size of the sections between the plates of the heat exchanger is 4-20 mm, and their total area under the natural cooling is equal to the concentrator maximum mid-section area.EFFECT: reduction of power losses, increase of solar power station efficiency and service life.5 cl, 5 dwg

Three-phase balun // 2612649
FIELD: electricity.SUBSTANCE: three-phase balun is proposed, wherein the three-phase three-legged transformer comprises two or three primary windings included counter in the zigzag . The free leads of the first windings are connected to the input and output terminals through the three-phase automatic switch, and the free leads of the second windings are connected into a common zero point to couple the phase loads. The throttle filter of the residual currents is included between the zero output of the power line and the zero output of the three-phase transformer.EFFECT: higher reliability.2 dwg

Fan and layout, including such fan // 2612648
FIELD: electrical engineering.SUBSTANCE: invention relates to electrical engineering. Fan nozzle (27) is fixed on support plate (25), on which rear wall (11) there is fastener (26) with, at least one upper (15) and lower (16) fixing devices for fan fixation (10) on mounting rail (1). Upper (15) and lower (16) fixing devices in fixed condition envelope mounting rail (1) upper (2) and lower (3) edges and arranged with displacement relative to each other in direction, in fan (10) fixed condition passing parallel to mounting rail (1) longitudinal axis. Fixing devices (15, 16) ends facing each other in this direction form inner ends (17, 18). Between inner ends (17, 18) of upper (15) and lower (16) fixing devices there is gap (d) with width, which is larger, than gap (b) between mounting rail (1) upper edge (2) and lower edge (3), so, that fan (10) as result of inclination relative to inclination axis (Z) in direction of inclination (k) during insertion is inserted into mounting rail (l) perpendicular to mounting rail longitudinal direction (X).EFFECT: technical result consists in reduction of mounting space for mounting/dismantling.11 cl, 9 dwg

Configurable basic electrical element for forming output signals of electrical equipment // 2612461
FIELD: electricity.SUBSTANCE: configurable basic electrical element for forming outputs signals of electrical equipment includes processor means for performing a configurable function to generate outputs of the object of electrical equipment. Processor means contain a fast CPU and a slow processor segment segment in which functional blocks are implemented. Units operate relatively fast operations and a relatively slow operations. These units are independent and parameterized. Processor segments are configured to selectively connect and parameterize these functional blocks to perform a configured specified function.EFFECT: increased reliability.10 cl, 5 dwg

Device for making underwater works // 2612421
FIELD: mechanical engineering.SUBSTANCE: invention is relevant to communication-cable laying and making other construction works under water. The device includes above-water part in the form of flat-bottomed boat provided with operator board, combustion engine and source of electric power, and underwater part in the form of caterpillar undercarriage equipped with the system of electrically-controlled hydraulic drive and provided with rear-fastened operating element intended for trenching and cable laying into dug trench. The said operating element is provided with hydraulic drive and hydraulically-driven front-fastened moldboard. At that, underwater device part is connected to electric-power source and to operator board with the aid of electric control cable. It is also provided with coil of laid cable. When being transported overland, above-water part is fastened to underwater part with the aid of quick-split connection, and is equipped with floated balloons along outer perimeter for holding itself on water. Suitable-for-rotation coil of laid cable is fastened to moldboard, above-water- and underwater parts are additionally connected against each other with the aid of ropes and bundle of high-pressure sleeves for supplying working liquid from hydraulic pumps of above-water part to system of hydraulic control of caterpillar undercarriage and of hydraulic drive of operating elements. At that the mentioned bundle of high-pressure sleeves is laid together with electric cable on suitable-for-rotation drum fastened to underwater part.EFFECT: device is provided with expanded technological functions, capable to move with the aid of own driving force to the site for making works in position, when its above-water and underwater parts are jointed one with another (self-driving), and execute its tasks without return to production base during at least 24 hours.13 cl, 13 dwg

ethod for charging battery and charged battery // 2612407
FIELD: electricity.SUBSTANCE: according to the process for the battery i-charge at i≥2, the connection detection of the charging terminals with the charging device causes the connection of the battery cells with their respective bypass circuit (CPCj). Then, for each battery cell during the second phase (Cji), the bypass circuit is disconnected from the battery cell, until the battery cell voltage reaches the predetermined voltage, wherein the time (TPji) for the i-charge is calculated according to the total connection time of, at least, one previous charging that corresponds to the bypass circuit with this battery cell, until all the battery cells reach the predetermined voltage. At least, one time allowing to determine the first time (TPji) of the primary bypass for the i-charge and/or the said total connection time are stored in the battery memory during, at least, one previous charging.EFFECT: increasing the accumulator battery service life.15 cl, 8 dwg

Installation device // 2612401
FIELD: electricity.SUBSTANCE: invention relates to installation device during buildings power supply systems installation. Installation device comprises frame (3) with, at least, two receiving holes (6 and 7), wherein in first receiving hole first functional element (4) is arranged, which is electrical and/or optical power supply network component and fixed in wall, wherein in second receiving hole second functional element (5) is arranged, which is not electrical and/or optical power supply network component.EFFECT: invention provides creation of device additional functional capabilities.11 cl, 4 dwg

Voltage balancer in three-wired network // 2612395
FIELD: electrical engineering.SUBSTANCE: invention can be applied to electrical engineering. Device comprises network terminals, mains voltage control three-phase relay with normally closed contacts, three voltage control relays, each of which is equipped with one normally open and one normally closed contact, single-phase current buses, first of which is connected to network with normally open contacts, and second one is with normally closed contacts of said relays, voltage control relay on of single-phase current buses with one normally open and one normally closed contact, balancing device, made in form of toroidal slotted transformer, containing made on external core input part, including first branch, connected to single-phase current first bus, second branch, composed of in-series connected common capacitor and vertical winding, connected to single-phase current second bus, and third branch, containing horizontal winding and connected to single-phase current second bus, wherein ends of all branches are connected in common point, and output part made on internal, coaxial to external, core, containing Y-connected three-phase winding, wherein said winding is connected to network lines at terminals input for load connection by normally open contacts of control voltage relay on single-phase current buses, and said relay normally closed contacts are connected in network lines break between balancing device input and output parts.EFFECT: technical result consists in improvement of voltage balancing accuracy at phase breakage.1 cl, 1 dwg
Automatic switching backup source // 2612394
FIELD: electricity.SUBSTANCE: device comprises two AC power sources connected to the AC buses, an active filter, and three responsible consumers connected to the AC buses. Two AC power sources are connected to the AC buses through the switching devices formed on the basis of two power electronic switches based on the counter-enabled thyristor pair without the damping chain in one of the thyristors. The device is equipped with the units of the electrical energy quality control indicators connected to the AC power sources, the active filter and the responsible consumers buses, the control unit, to the inputs of which the units of the electrical energy quality control indicators are connected, and its outputs are connected to the switching devices formed on the basis of two power electronic switches based on the counter-enabled thyristor pair without the damping chain in one of the thyristors, and the active filter with the connected thereto unit setting the acceptable electrical energy quality indicators and the communication lines with the automated technological process control system controlled by the separate unit.EFFECT: eliminating power breaks at switching and improving the electrical energy quality.2 dwg

ethod of relay protection for power facilities // 2612325
FIELD: electricity.SUBSTANCE: application: in the electric power industry. According to the method, facility inputs correspond to the inputs of the model. To activate the model, one of the values detected at the corresponding facility input shall be supplied to the model inputs. All the inputs and outputs shall be monitored, but not necessarily completely. The complete monitoring is required at least for one input. Thus, monitoring is carried out "superfluously". All inputs and outputs are divided into three groups. The first group includes completely monitored inputs and outputs. The second one includes those monitored for voltage only, the third one - for current only. Facility model is activated by influence made on the first and second model inputs and outputs by the voltage sources, and made on the third by the sources of the observed currents. Activated model response to the influence applied is determined, wherein only currents at first model inputs and outputs are defined as a response. Difference signals are determined as a difference between currents observed at the first facility inputs and outputs and corresponding model responses. Protection tripping characteristics are set on the basis of measurements, which are formed using difference signals.EFFECT: expanding the functionality of the method by protecting all power facilities with any type of models and any amount of the facility observation.9 dwg

ethod for compensating natural network asymmetry with neutral earthed through adjustable arc suppression reactor // 2612321
FIELD: electricity.SUBSTANCE: area of use: the invention relates to the protection of the electric lines from accidents, namely to the automatic compensation of capacitive earth fault currents of 6-10 kV with neutral earthed through an adjustable arc suppression reactor, as well as in networks with combined neutral grounding with the same arc suppression reactor. The invention can be used to automatically adjust the arc suppression reactor inductance by phase method in response to the capacity of the distribution network and for natural network asymmetry compensation in the normal network operation. Substance of the invention: the method allows to compensate the natural network asymmetry by its controlled reducing to the value, at which the neutral displacement voltage is within the values permitted with the disconnected source of artificial neutral displacement. For the natural network asymmetry compensation, the adjustable phase current (or the total of two-phase current) of the three-phase AC network with voltage of 380 V 50 Hz used for their own needs, is used. The neutral displacement voltage is changed with the disconnected source of the artificial neutral displacement by the introduction of the reactor through the control winding to the zero-sequence phase current circuit adjustable in phase and amplitude. Values 3Uo are controlled on the signal winding of the reactor.EFFECT: creating a universal device that allows to perform the natural network asymmetry compensation in a wide range of variations; the possibility of actual current regulating of the natural network asymmetry without disconnecting the arc suppression reactor from the network; improving the accuracy and reliability of the compensation results; increasing the stability of the neutral voltage displacement and ensuring the automation sustainability in devices for automatic capacitive earth fault current compensation using the phase or amplitude adjustment principle of the arc suppression reactor.2 cl, 1 dwg

Facility uninterrupted power supply unit // 2612196
FIELD: electrical engineering.SUBSTANCE: invention can be applied to electrical engineering. Plant includes first power supply channel, formed by network terminals (1), power transmission lines, automatic backup switch and load connection terminals, and second power supply channel, consisting of functionally connected network terminals (2), three-phase stabilized rectifier, storage battery with isolation diode, three-phase inverter, automatic backup switch and load connection terminals, wherein said rectifier comprises AC voltage controller, power transformer, rectifying circuit with rectified voltage filtration unit, said battery comprises set of in-series connected elements, and three-phase inverter comprises current switch, power transformer and filtration unit, consisting of phases resonance filters, wherein rectifying of rectifier voltage, storage battery, inverter input voltage and voltage on load is achieved by using of said elements circuits parameters.EFFECT: technical result is provision of voltages equalization.1 cl, 1 dwg
System and method for electric power transmission to vehicle using operation on direct current of conductor structure segments // 2612086
FIELD: transportation; electricity.SUBSTANCE: group of inventions relates to power supply of vehicles. System for transmitting power to a vehicle comprises an electric conductor structure, which comprises several segments, herewith each segment extends along the track. Every segment has one line for every alternating current phase. System comprises a source of current for electric power transmission to multiple segments, which are connected in parallel to the current source. Segments are connected to the source of current through a corresponding DC source (12). Each source (12) contains the first inductance (L6P1) and the first capacitance (C6P). Inductances and capacitances are adapted to each other and to the voltage so, that desirable direct current is output to the output side. Inductance (L6P1) is located in line (100) of source (12), and line (100) is connected to capacitance (C6P). Inductance (L6P1) and capacitance (C6P) are adapted to each other so, that reactive power generated by the segment is equal to zero. Also disclosed are methods of manufacturing and operation of the system.EFFECT: technical result is higher efficiency of controlling a segment of the system for power transmission.13 cl, 16 dwg

System and method for providing transport vehicle with electric power through magnetic induction // 2612078
FIELD: electricity.SUBSTANCE: group of inventions relates to the system for providing a transport vehicle with electric power. The system comprises a receiver configured to receive a magnetic component of alternating electromagnetic field and a generating device configured to generate alternating electromagnetic field. The receiving device comprises phase lines, each phase line being configured to transmit the alternating current phase. Phase lines are arranged so as to form a system of lines, which extends in the longitudinal direction perpendicular to the lines of magnetic induction. The system of lines comprises the first and the second ends, which are opposite to each other with respect to the longitudinal direction. The system of lines becomes narrower, having a contour with the shape of a cone or a truncated cone, towards the first and / or the second end. The generating device is configured similarly as the receiving device. A vehicle comprising the system with the receiving device is claimed. The methods of manufacturing the system with the receiving device and the system with the generating device are claimed.EFFECT: invention provides reduction in the intensity of the electromagnetic field at the side of the receiving and / or generating device.15 cl, 7 dwg

Locomotive traction converter // 2612075
FIELD: transportation.SUBSTANCE: invention relates to electric traction systems of vehicles with supply from internal power supply sources. Traction locomotive converter comprises n channels of power conversion. Converter channels are formed by a charging-discharging converter, n converters, a device of excitation current control, a source of supply from an external network and/or a converter of diesel generator frequency. Besides, the charging-discharging converter, n converters, the device of excitation current control, the source of supply from the external network and/or the converter of diesel generator frequency are connected to each other. Moreover, the charging-discharging converter, n converters, the device of excitation current control, the source of supply from the external network and/or the converter of diesel generator frequency contain software making it possible to control, protect and perform diagnostics of the internal channel.EFFECT: increased energy efficiency of a locomotive.8 cl, 1 dwg

Conversion system for auxiliary power supply of gas turbine locomotive // 2612068
FIELD: electricity.SUBSTANCE: conversion system for auxiliary power supply of gas turbine locomotive comprises a control unit, two power supply inputs with DC voltage and two branches for the conversion of input power supply voltage. Each branch includes n-number of converters and n-number of galvanic isolation units. At the same time, joint outputs of all the galvanic isolation units are the output for the power supply of gas turbine locomotive auxiliary loads network. The output of the galvanic isolation units is connected to the output for the 480 V battery charge via the current sensor. The galvanic isolation unit outputs are connected to inputs of the two step-down-type DC voltage pulse converters with galvanic isolation. Joint pulse converter outputs are the power supply output for the circuits of control, lighting and charging the 110 V battery.EFFECT: uninterrupted power supply for auxiliary equipment, on-board network and battery charge.6 cl, 1 dwg

Locomotive traction converter // 2612066
FIELD: electricity.SUBSTANCE: locomotive traction converter contains n-number of the electricity conversion channels. Conversion channels are formed by the diesel generator frequency converter, n-number of converters, excitation current control device, interconnected by the internal bus bars. At the same time, diesel generator frequency converter is connected to n-number of converters and excitation current control device. Diesel generator frequency converter, n-number of converters, excitation current control device contain software allowing to manage, protect and diagnose their own channel.EFFECT: expanding the functionality of the locomotive traction converter.5 cl, 2 dwg

Conversion system of power supply of electric locomotive auxiliary power // 2612064
FIELD: transportation.SUBSTANCE: invention relates to supply of power to auxiliary equipment of vehicles. The conversion system for auxiliary power supply of the electric locomotive comprises a protection unit, a static converter and a power supply distribution line, to which inputs of n converters of electric locomotive auxiliary power are connected. The input of the protection unit is the input of the conversion system from the contact system. The static converter is connected to the output of the protection unit. At the same time the static converter, n converters of auxiliary power and the unit of communication with a microprocessor control and diagnostics system are connected to each other by a code communication line. The static converter comprises a voltage inverter, the output of which is connected to the primary winding of the transformer. The transformer has three output windings, each connected to its thyristor rectifier. Channels of excitation windings of traction electric motors are connected to the output of two thyristor rectifiers. An LC-filter for auxiliary power is connected to the output of the third thyristor rectifier.EFFECT: increased frequency of conversion and efficiency and extended functional capabilities of a conversion system.6 cl,1 dwg

Energy efficient solar-wind power plant // 2611923
FIELD: power industry.SUBSTANCE: energy-efficient solar-wind power plant comprises: a three-bladed conical auger wind power plant with a horizontal rotating shaft, which is formed by three halves of the spiral cylinders located relative to each other at an angle of 120°, truncated by curved surfaces of the second order; a turntable with a vertical shaft; a solar power plant, which is a photoelectric film solar battery applied to the outer surface of the three blades of the conical auger wind power plant; a vertical plate located underneath the turntable; shaped mounting plates for mounting them to the adjacent part of the spiral cylinders halves, whrein the plates are fixedly connected to the horizontal rotating shaft; a base, which carries parts of the three blades of the conical auger wind power plant; a front triangular support stand with the bearing assembly; two rear parallel stands with the bearing assembly mounted between them and serving for mounting of the rear part of the horizontal rotating shaft; two cross bars attached to the two rear parallel stands; a low-speed permanent-magnet generator mounted on two parallel stands and two cross bars; confusor diffuser with the cylindrical part between them, made of transparent polycarbonate, wherein the three-bladed conical auger wind power plant with the horizontal rotating shaft, the bearing assemblies, the front triangular stand and two rear parallel stands are located in the cylindrical part of the confusor diffuser; front and rear lodgements serving for attachment of the cylindrical part the confusor diffuser, attached to the turntable; longitudinal lenticular lens, built along the cylindrical part of the cconfusor diffuser; lithium batteries; a charge-discharge lithium batteries controller; an inverter.EFFECT: increased power generation at low wind speeds and increased efficiency of power generation by photoelectric film solar batteries.3 cl, 5 dwg
 
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