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

H   Electricity(224757)
H02            Generation, conversion, or distribution of electric power(58812)

Schemes of power source // 2628407
FIELD: electricity.SUBSTANCE: converter circuit is shown having a main switching circuit on the primary of the transformer to control the supply of current to the storage coil in the primary winding when the main switching circuit is conductive. The converter circuit comprises: a control circuit operatively connected to the main switching circuit for controlling the main switching circuit, the control circuit comprising a control capacitor configured to include a control circuit and disconnect the main switching circuit; a secondary inductance coil magnetically coupled to the storage coil and configured to run the control circuit for operation and to disconnect the main switching circuit in response to a voltage change on the storage coil when the main switching circuit is conductive; and a charging circuit connected between the auxiliary inductor and the control capacitor and configured to include an auxiliary inductor to charge the control capacitor.EFFECT: ensuring better stabilisation of the output voltage in the network.14 cl, 8 dwg

Device for voltage control // 2628403
FIELD: electricity.SUBSTANCE: voltage control device comprises of a three-phase transformer. The primary winding of each phase of the transformer includes series-connected network and control part, wherein the first outputs of the control part are connected to the output of the network part in each phase. Thus, a common point is formed. The second outputs of the control part are connected to the first outputs of an uncontrolled reactor of each phase. The second outputs of the uncontrolled reactors of all three phases are interconnected forming the first neutral. The first outputs of thyristor keys are connected to the common connection point of the control and network parts of the first and second phases. The second outputs of the thyristor keys of the first and second phases are combined together to form the second neutral, to which the common connection point of the network and control parts of the third phase primary winding is connected.EFFECT: simplification of design, improvement of control characteristics and increase of reliability.3 cl, 4 dwg

Way of coordinated management of multi-terminal system of high-voltage direct current power transmission using voltage converters // 2628333
FIELD: electricity.SUBSTANCE: according to the method, if the main control station of DC voltage stops, subordinate control station of DC voltage takes over management of DC voltage, and the rest converting stations continue to operate in the initial management regimes. The control transmission comprises the following steps: on condition that the inter-station communication means operate, the main control station sends a signal to the slave station to stop operation by means of inter-station communication means, and when the slave station receives data indicating that the main DC voltage control station has stopped operating, the slave station switches from the current control mode to the DC voltage control mode; and provided that the inter-station communication facilities are missing or faulty, the slave receives data on the change in the DC voltage in the multi-terminal DC system, and if the difference in the value of the DC voltage and its nominal value exceeds a certain threshold, the slave station switches from the current control mode to the DC voltage control mode.EFFECT: increasing the stability and reliability of the multi-terminal electricity transmission system.9 cl, 4 dwg

Electronic device and payment, suitable for use in electronic device // 2628112
FIELD: electricity.SUBSTANCE: electronic device includes an outer conductive material portion, a circuit portion that includes circuit elements, and a protection portion connected between the outer portion and the circuit portion. The protection circuit includes a switching unit for intercepting a leakage current that flows from the circuit portion and flows to an external portion and a conversion unit for lowering the voltage level of the electrostatic component that flows through the outer portion and for transferring the electrostatic component to the switching unit.EFFECT: minimization of the effect of external electrostatic discharge, impulse overvoltage, and prevention of leakage current flowing inside the system, to the outer section of conductive material and impact on the user.9 cl, 6 dwg
Cooling structure for components located in the internal space of electric boxes // 2628103
FIELD: electricity.SUBSTANCE: in the electrical cabinet (1) with the cooling unit (2), which has a first closed circulation circuit (3) of the coolant and a second closed circulation circuit (4) of the coolant hydraulically separated from it, the first closed cooling circuit (3) of refrigerating machine or a water cooling unit, and the second closed circulating coolant circuit (4) has an evaporation-condensation structure.EFFECT: creation of a control cabinet with a cooling device in which the cooling apparatus can be formed by simple technical means and even at low temperature differences between the set temperature of the electrical cabinet and the ambient temperature of the electrical cabinet can be operated passively, ie without the use of a chiller or a water cooling unit.9 cl, 8 dwg

Synchronous generator stator and synchronous generator // 2628100
FIELD: electricity.SUBSTANCE: synchronous generator stator comprises a stator ring (300), a stator sheet packet (400), a circumferential gap (310) between the stator ring (300) and the stator sheet package (400), and a plurality of decoupling blocks (500) in the gap (310), wherein the decoupling unit (500) has the first sheet (510) that is matched to the contour of the stator sheet package (400) and the second sheet (530) that is matched to the stator ring (300) contour, wherein between the first and the second sheet (510, 530) a mat (520) is provided with a hollow space and an inlet valve (540).EFFECT: reducing sound emission.5 cl, 7 dwg

Current relay // 2628090
FIELD: electricity.SUBSTANCE: current relay contains an intermediate current transformer, a rectifier, an actuator, four threshold blocks, two AND elements, a reversing counter, a single vibrator, a clock generator, a frequency divider, a subtracting unit, an adder, a limiter, a nonrecursive filter.EFFECT: invention makes it possible to increase the noise immunity of the current relay under conditions of short-term anomalous distortions of the input signal.2 dwg

Electric engine // 2628017
FIELD: electricity.SUBSTANCE: electric engine comprises a stator, a rotor and a rotor circulating cooling circuit, containing a cylinder side surface shaped cover (2). The axial recess (12) is grooved for simplicity the inner circulating cooling circuit of he rotor in the cover (2). Inside the housing (1) there is a quill cylinder-shaped stator pack (10) with slots (18) on the outside surface. There are cooling ducts (22) in the slots (18). The stator pack (10) has the expanded axial recesses (20) on its outside surface. These recesses are a part of the rotor circulating cooling circuit.EFFECT: cooling construction simplification.15 cl, 7 dwg

System of pipeline space release // 2628010
FIELD: technological processes.SUBSTANCE: space in pipeline (10) comprising at least one cable (12) surrounded by cable channel (11) is released by cutting of said cable duct in the longitudinal direction and removing it from the environment of said cable. Cable channel can be pulled out of pipeline by a cutting knife or cutting knife can be pulled through the pipeline to cut said cable channel while it remains in the pipeline.EFFECT: reducting labour input if additional cables laying is needed.25 cl, 8 dwg

ethod for regulating power of gas turbine - generator system // 2628008
FIELD: electricity.SUBSTANCE: in method for regulating the power of the gas turbine generator system, a control signal for the fuel dispenser actuating device is formed by means of the electronic control module (ECM) based on the processing of the turbine rotation speed sensor signal and the calculated value of the active electric power output of the generator. In accordance with the operating mode of the locomotive, the power of the system is set by the driver's controller; the set power value is compared with the calculated value of the actual power, the value of which is obtained from the measured values of the current rectified by a traction rectifier of current and voltage; on the basis of the obtained difference, the control signal of the fuel dispenser actuating device for providing the turbine rotation frequency and the control signal for the current regulator providng the supply of the generator field winding are formed in accordance with the load characteristic of the gas turbine-generator system.EFFECT: ensuring the sufficiently rapid regulation of the electric power of the gas turbine-generator system in accordance with the operating conditions of the locomotive and the load characteristic of this system in a wide range of turbine rotation frequencies, increasing the reliability and efficiency of locomotive operation.1 dwg

Device for monitoring rail vehicle and magnetoelectric generator // 2627959
FIELD: transportation.SUBSTANCE: device contains a processor, a satellite navigation module, a GSM module, a memory unit, a series-connected acceleration sensor and a diagnostic data processing unit, a control unit, a central processor, a power source including a battery with a charge controller and a magnetoelectric generator, all installed in a housing. Wherein the housing is made with a removable cover, one part of which is made of a radiocarbon material and beveled at an angle of not more than 70 degrees to the vertical axis of the housing, opposite to it there are antennas of the satellite navigation module and the GSM module; the housing side opposite to the cover serves as its base, in which openings are made, respectively, for fixing the front bearing shield to the housing base, for mounting and fixing the housing base on the main cover of the axle box and for connecting the generator rotor shaft by means of a suitable coupling with the axis of the wheel pair.EFFECT: increasing the generator efficiency, expanding the functional capabilities of the device.9 cl, 3 dwg

ethod and device for controlling charging stations for electric vehicles // 2627943
FIELD: electricity.SUBSTANCE: method for controlling the charging stations (2, 8) for electric vehicles (A, B) consists in that they use the messaging between the charging station control device and the devices that are respectively connected to the electric vehicle or its driver. When the charging station control device receives a charging request that can not be satisfied in the current occupancy situation, the charging station control device takes the current charge state of each occupying electric vehicle as a basis for sending the message. The control device sends a message to the device associated with the occupying electric vehicle (A), which contains a request to free the charging station (2, 8) now or by a specific time. The control device sends a message to the device from which the charging request was received, which contains information regarding whether the charging station will become free or when the charging station is likely to become free.EFFECT: increasing the utilisation factor of charging stations.9 cl, 12 dwg
Device for switching the excitation winding and auxiliary winding of separate excitation direct current motor // 2627688
FIELD: electricity.SUBSTANCE: device for switching the excitation winding and the auxiliary winding of separate excitation DC motor contains the DC motor of separate excitation with excitation windings and auxiliary winding, connected to the armature winding of the motor. In case of one of the DC motor windings failure - excitation winding or the auxiliary winding, provides its work continuation with less power without motor stop.EFFECT: increase of the DC motor of separate excitation stability; reduction of drilling equipment downtime, waiting for the motor repair or replace.1 dwg

Independent device for disconnecting power supply source // 2627684
FIELD: electricity.SUBSTANCE: independent device for disconnecting a power supply source contains an automatic circuit breaker with an independent splitter, NC contacts of the circuit breaker are connected between the outputs of the phase circuits of the supply network and the output terminals for connecting the power consumer' circuits, the first output of the independent release winding is connected to one of the consumer's connection output terminals, and the second output of its winding by the remote control cable is connected to the neutral terminal of the power supply source via a NO contact of the switching element of actuating the control signal of the power supply disconnection, in parallel to which the circuit of the series-connected resistor and indicator is connected.EFFECT: providing the remote control of the circuit's serviceability while reducing the element base due to the use of a disconnected power supply for supplying control circuits and controlling the disconnection of the power supply source.1 dwg

Wireless inductive power transmission // 2627681
FIELD: electricity.SUBSTANCE: inductive power transmission system comprises of a power transmission device (101) and a power reception device (105). The power transmission system supports two-way communication. The power reception device (105) first initiates the mandatory configuration phase by transmitting a part of signal intensity parameters, and the power transmission and reception device then controls (505, 507) the mandatory configuration phase, at which the first set of power transmission operating parameters for the power transmission device (101) and power reception device (105) are selected. The power reception device (105) then transmits (509) a request to proceed to the coordination phase, and the power (511) transmission device (101) confirms the reception of the request by transmitting the acknowledgment. Then it goes to the coordination phase. The power reception device (105) proceeds to the coordination phase in response to receiving the acknowledgment message. The power reception device (105) and the power transmission device (101) then determine (513, 515) the second set of operating parameters by executing the coordination phase. The approach is, in particular, suitable for the Qi-power transmission system.EFFECT: improved performance and improved backward compatibility for wireless power transmission.22 cl, 7 dwg

Resonant rectifier, and also a method and device for managing a resonant rectifier // 2627680
FIELD: electricity.SUBSTANCE: invention relates to a resonant rectifier, as well as to a method and apparatus for controlling a resonant rectifier. In the resonant rectifier, the rectifying diode on the secondary side of the resonant rectifier is replaced by a MOSFET.EFFECT: increase in efficiency by providing resonance and synchronous rectification on the primary and secondary sides of the resonance rectifier circuit.9 cl, 11 dwg

Control unit for control flywheel motor with control channel reservation // 2627493
FIELD: electricity.SUBSTANCE: invention can be used as a part of control flywheel motors (CFM) for spacecraft orientation and stabilization systems and in areas, where high-precision control of brushless electric motors and fault tolerance of control unit components are required. The brushless electric motor control unit includes two independent feed channels equipped with an automatic key for protecting against the excess current leakage, a control channel on the microcontroller and a control channel on the programmable logic integrated circuit (PLIC), and is configured to combine independent control channels to enhance computing performance, wherein each independent control channel is provided with a corresponding group of sensors comprising a rotor position sensor and as well as temperature sensors and the current sensors for self serviceability connected respectively to the input of the microcontroller and the PLIC, the outputs of which are connected with a respective group of inverters, wherein the microcontroller of the control channel and the PLIC are interconnected to, at least, one respective microcontroller, which provides communication with the external control device. The control unit is equipped with the ROM, to which the PLIC has a direct access, and the microcontroller of the control channel has an access mediated through the PLIC. Hall sensors can be used as rotor position sensors. Two independent control channels are capable of operating as a single channel with enhanced computational performance, the element base is selected, and the circuit components are protected with automatic keys.EFFECT: improving the accuracy of brushless motor control, providing endurance to destructive factors and technical failures, creating a control unit adapted to a wide range of supply voltages.2 cl, 1 dwg

Power supply system for auxiliary asynchronous electric motors of electric rolling stock // 2627439
FIELD: electricity.SUBSTANCE: power supply system for auxiliary asynchronous electric motors of the electric rolling stock contains capacitors connected to the first output of the auxiliary winding, the first input of the contactor control unit and to the first output terminal of the power supply system. The first outputs of the throttles, forming their antiparallel connection, are connected to each other to the second output of the first capacitor and to the third output terminal of the power supply system. The second output of the auxiliary winding is connected to the second input of the contactor control unit, the second output of the second throttle, the first output of the control contactor winding and to the second output terminal of the power supply system. The second capacitor is connected with its second output to the first contact input of the contactor, the second output of which is connected to the second output of the first throttle. The control winding of the contactor is connected with its second terminal to the third output of the contactor control unit.EFFECT: increasing the reliability of the power supply system.1 dwg

Fire-resistant material containing biopolymer // 2627363
FIELD: chemistry.SUBSTANCE: flame retardant material comprises a matrix formed by at least one organic polymer, a flame retardant additive selected from among metal hydroxides, and a binder forming an interface between the matrix and the flame retardant additive. The organic polymer in the matrix contains at least 50 wt % of one biopolymer. The binder is an ethylene-vinyl acetate copolymer containing at least 40 wt % of vinyl acetate grafted with maleic anhydride.EFFECT: resulting material is flexible and shockproof and can be processed by moulding or extrusion, in particular by injection moulding.15 cl, 3 dwg, 7 tbl

Storage battery control system and vehicle control system // 2627298
FIELD: electricity.SUBSTANCE: storage battery control system is presented. It is connected to the storage battery and controls its charging/discharging. The system comprises of the following: a current sensor that measures the current value by determining the charge/discharge current flowing through the battery; a voltage sensor that detects the battery voltage; a temperature sensor that detects the temperature of the battery; the calculator of the effective value of current which, basing on the current value measured by the current sensor, calculates the effective value of current in the specified time interval; a time coefficient calculator that determines the time coefficient indicating a moment of the time during which the effective value of current exceeds a predetermined allowed value for a predetermined period of time; and a charge/discharge limiter that limits the charge/discharge current based on the time coefficient determined by the time coefficient calculator.EFFECT: preventing the storage battery performance degradation.6 cl, 7 dwg

Storage battery control system and vehicle control system // 2627243
FIELD: electricity.SUBSTANCE: storage battery control system is presented. It is connected to the storage battery and controls its charging/discharging. The system includes a current sensor that measures the current value by determining the charge/discharge current flowing through the battery; a voltage sensor that detects the battery voltage; a temperature sensor that detects the temperature of the battery; a temperature recorder for the past period, which records the temperatures for the past period determined by the temperature sensor; and a charge/discharge limiter that limits the charge/discharge current in a low temperature condition based on the temperatures for the past period recorded by the temperature recorder for the period.EFFECT: optimisation of limiting charge, discharge of a storage battery in a low temperature condition.10 cl, 10 dwg

Storage battery control system and vehicle control system // 2627240
FIELD: electricity.SUBSTANCE: storage battery control system is presented. It is connected to a storage battery equipped with an explosion-proof mechanism to interrupt the electric current, when the battery is overcharged, and controls the battery conditions. The system comprises of: a cell voltage sensor that detects the voltage of the battery cells; a storage which stores the information relating to the battery conditions; an overcharge decision unit that decides whether the battery is in an overcharge condition; a storage control unit that instructs the storage to store the overcharge information regarding the overcharge condition of the battery when the overcharge decision unit decides that the battery is in an overcharge condition; and explosion protection decision unit which decides that the explosion-proof mechanism of the battery should be activated if, when the battery control system is started, there is overcharge information stored in the storage, and the cell voltage, detected by the cell voltage sensor, is lower than the low limit value.EFFECT: ensured reliability of the decision to activate the explosion protection mechanism in the battery system.6 cl, 9 dwg

Storage battery control system and vehicle control system // 2627239
FIELD: electricity.SUBSTANCE: storage battery control system is presented. It is connected to the storage battery and controls its charging/discharging. The system includes: a current sensor that measures the current value by determining the charge/discharge current flowing through the battery, a voltage sensor that detects the battery voltage, a temperature sensor that detects the battery temperature, an effective current calculator that, based on the current value measured by the current sensor, calculates the effective value of the current in the specified time interval, and a charge/discharge limiter that applies the first charge/discharge limitation in order to limit the charge/discharge current based on the actual value of the current calculated by the effective current calculator.EFFECT: preventing the storage battery performance degradation.6 cl, 12 dwg

Power feed device // 2627234
FIELD: electricity.SUBSTANCE: electric power feed device includes first and second batteries, respectively applying electrical power to many a load of equipment installed on the vehicle, electric power generator, capable of charging the battery first and second battery through the regenerative capacity and electricity management tool to manage electric power generator so that the amount of electric power charge, at least one of the first and second battery based on regenerative electricity power is constrained by the case, when at least one of the high-load equipment and the target equipment for redundancy is present among a large number of load equipment, and the electric power generator performs regenerative generation of electrical power during the deceleration of the vehicle.EFFECT: prevention of degradation of the battery.8 cl, 14 dwg
Schematic device for control and registration of status of devices and protection units from overloads // 2627232
FIELD: electricity.SUBSTANCE: invention relates to a circuit arrangement for monitoring and recording the status of devices and protect installations against overvoltages by means of a pulse current control, comprising at least one transponder RFID with electric power through inductive coupling, wherein in case of mentioned event for a device or installation of surge protection, the possibility of influencing the antenna frequency identification transponder circuit is provided, particularly through interruption, short-circuiting whether upsetting that allows the identification of interfering processes. According to the invention, a spool is provided on a tap conducting pulsed currents appearing in the device or an overvoltage protection device, which is oriented so that the field due to the impulse current penetrates the coil winding area. The coil (L2) is connected to at least one switching device that is connected to the antenna loop of the radio frequency identification transponder with the inductance (L1) therein to at least periodically interfere with the antenna circuit.EFFECT: monitoring the state of the devices, for which a purposeful overload is impossible as a result of the passage of the impulse current.9 cl, 4 dwg

Wind farm // 2627230
FIELD: electricity.SUBSTANCE: wind farm (1) for wind power generation comprises of at least two wind turbines (2) for generating electric power and a common device (8) for supplying the generated electric power or a part thereof to the power supply network (14). The wind turbines (2) and the supply device (8) are connected via a DC voltage electrical network (4) to supply electric power, generated by the respective wind turbines (2) as DC current, to the common supply device (8). The DC voltage network (4) has a DC voltage in the range of 5-10 kV, and each wind turbine (2) comprises of the following elements: an AC generator (18), a rectifier (20) for rectifying the generated AC to the first DC having the first DC voltage, and a step-up converter (30) for stepping up the first DC and the first DC voltage to the second DC and the second DC voltage which is greater than the first DC voltage. The DC voltage includes a bus (6) and a plurality of line connections, and wherein the second DC voltage is supplied to the wind farm DC voltage network.EFFECT: increased operational characteristics inside a wind farm and increased efficiency of its operation.6 cl, 2 dwg

Way and equipment for the electrical machine cores production // 2627228
FIELD: electricity.SUBSTANCE: way and equipment for the electrical machine cores development positing that the drop-forged strip bar (4a, 4b) wind on the mandrel (22) for the spiral wound generation. After that, the mandrel diameter is increased for the tension force exertion to the wound plate when the wound plate winds are clamped between clamps (24, 25). Then the wound plate winds are fixed with respect to each other (50, 51), when the wind poises in case of the increased diameter. Later on, the mandrel diameter is reduced for the laminated core detachment from the mandrel. The electric coils are mounted on the slots that are formed on the interior and outside faces of the core, for the electrical machine rotor and stator manufacture. After that rotor or stator are framed into the electrical machine, engine or oscillator.EFFECT: enhancement of the strip-wound core manufacturability for electrical heavy-duty machine through the mandrel of the regulable diameter.27 cl, 10 dwg
Hydroelectric turbines control method and system // 2627227
FIELD: power industry.SUBSTANCE: control system contains a converter system to convert the AC power, supplied by the generator, connected to the turbine and having the voltage and frequency, that depend on the turbine rotation speed into the AC power, having the transmission system voltage and frequency to transmit the AC power to the receiving station. The system additionally contains a control module to adjust the alternating current, supplied by the generator, depending on the water flow rate through the turbine, thus to control the rotation of the turbine. The converter system contains the first stage converter and the second stage converter, wherein the DC link is located between these converters. The first stage converter is configured to convert the AC power, supplied by the generator into the direct current power. The second stage converter is configured to convert the DC power into the AC power to transmit to the receiving substation, wherein the second stage converter is the voltage inverter type converter.EFFECT: creation of the system for converting the electrical power, produced by the turbine into the form, compatible with the power transmission system to transmit the electric power to the shore with optimisation of the individual turbine output and the turbine groups as a whole.20 cl, 13 dwg

Braking device for three-phase brushless motor and electric motor-operated tools provided by it // 2627038
FIELD: electricity.SUBSTANCE: braking device for a three-phase brushless motor in accordance with one aspect of the present invention is provided in an electric-powered tool and includes a switching circuit having six switching elements and a brake control device. The braking control device performs the short-circuit control of the two phases in the braking control, in which the braking force is generated in the motor. In the short-circuit control of the two phases, the on/off state of each of the switching elements is set such that two of the three conductivity circuits constituting one of the conductivity side of the positive electrode side that connects the three motor contacts and the positive electrode side of the power supply source current and the conductivity circuit of the negative electrode side that connects the three contacts and the side of the negative electrode of the power source are in a conducting state and the other of the three conductivity circuits is in a non-conducting state.EFFECT: ensuring reliability when braking the tool driven by a brushless motor.12 cl, 11 dwg
Hydroelectric turbines control method and system // 2627035
FIELD: power industry.SUBSTANCE: control system contains a converter system to convert the AC power, supplied by the generator, connected to the turbine and having the voltage and frequency, that depend on the turbine rotation speed into the AC power, having the transmission system voltage and frequency to transmit the AC power to the receiving station. The system additionally contains a control module to adjust the alternating current, supplied by the generator, depending on the water flow rate through the turbine, thus to control the rotation of the turbine. The converter system contains the first stage converter and the second stage converter, wherein the DC link is located between these converters. The first stage converter is configured to convert the AC power, supplied by the generator into the direct current power. The second stage converter is configured to convert the DC power into the AC power to transmit to the receiving station, wherein the second stage converter is the current inverter type converter.EFFECT: creation of the system for converting the electrical power, produced by the turbine into the form, compatible with the power transmission system to transmit the electric power to the shore with optimisation of the individual turbine output and the turbine groups as a whole.20 cl, 13 dwg

ethod of adjusting thermal conditions in wireless charging system // 2627034
FIELD: electricity.SUBSTANCE: method refers to the process of inductive charging of a device to be charged using an inductive charging device. The method provides adjusting the amount of electricity supplied to the device to be charged from the charging device based on the detected temperature indicators. In addition, the temperature parameters relating to at least one device to be charged are stored in the database. If it is found that the device in the inductive charger is also connected to a wired charging source, disconnecting the inductive charger is provided.EFFECT: increased security.18 cl, 9 dwg

Disk electrical generator // 2627031
FIELD: electricity.SUBSTANCE: disk electrical generator contains the first housing and a second housing, as well as the first set of magnets and the second set of magnets. The plane where the first set of magnets is located is parallel to the plane where the second set of magnets is located and a unidirectional magnetic field is formed between the first set of magnets and the second set of magnets. The armature is located parallel to the plane where the first set of magnets is located and is placed between the first set of magnets and the second set of magnets. Armature contains a panel on which there are numerous coils fixedly mounted at the center of the panel at regular intervals circle-wise in one plane. The coils have a spiral shape. Numerous coils are electrically connected to each other by means of contours on the panel.EFFECT: improved stability of armature rotation.7 cl, 9 dwg

ethod and device for transmission of electric power // 2626815
FIELD: electricity.SUBSTANCE: transmission of electrical energy is carried out by transferring resonant oscillations of increased frequency in a circuit consisting of a frequency converter, a raising single-layer heartless Tesla transformer, a single-wire transmission line and a lowering Tesla single-layer heartless transformer. Both transformers are frequency-matched. Ungrounded single-layer Tesla transformers, as well as grounded or ungrounded multi-layer section transformers, can be used. The frequency converter has a voltage feedback to maintain the output voltage in the power line at a level not exceeding the maximum allowable frequency feedback for synchronization of the master oscillator with the resonant frequency of the transformers, the heating feedback to prevent emergencies and the phase adjustment unit feedback.EFFECT: reduction of material consumption and increase in stability, safety and efficiency by using heartless transformers with phase-locked loop and voltage monitoring by processing signals from a current transformer or an antenna located at the antinode of the current at the secondary winding of the transmitting transformer when temperature monitoring is performed by means of temperature sensors.8 cl, 4 dwg

Axial-radial contactless alternator // 2626814
FIELD: electricity.SUBSTANCE: axial-radial contactless alternator contains a casing, a pilot exciter, an exciter and a main generator mounted on a single shaft fixed in the generator casing in the bearing shields. The pilot exciter consists of a permanent multipole magnet of the inductor of the pilot exciter and a magnetic circuit with a multiphase armature winding of the pilot exciter, the exciter consists of an axial magnetic circuit with a single-phase excitation winding and an axial magnetic circuit with a multiphase armature winding of the exciter. The main generator consists of an axial magnetic circuit of the inductor of the main generator, the excitation winding of the main generator is set into slots and is connected to a multiphase armature winding of the exciter through a multiphase full-wave rectifier, and an axial magnetic circuit with a multiphase armature winding of the main generator. A voltage regulator is installed in the lower part of the casing, and the permanent multi-pole magnet of the pilot exciter inductor and the magnetic circuit with multiphase armature winding of the pilot exciter are radial. The permanent multi-pole magnet of the inductor of the pilot exciter is rigidly fixed on the surface of the axial magnetic circuit of the inductor of the main generator at the external diameter, and the axial magnetic circuit with the multiphase armature winding of the exciter is made with an external diameter equal to the inner diameter of the axial magnetic circuit of the inductor of the main generator, partially located inside the axial magnetic circuit of the inductor of the main generator and is rigidly fixed by means of a disk having an I-section, with its inner surface located on the generator shaft, and its external surface is fastened to the inner surface of the axial magnetic circuit of the inductor of the main generator.EFFECT: improved weight and size indicator rates, increased construction reliability, simplified method of manufacturing.2 dwg

Speed regulation device for electric rolling stock // 2626779
FIELD: electricity.SUBSTANCE: speed control device includes the armature winding and the DC motor traction excitation winding, a static exciter, a series-connected short-circuit resistor shunted by a high-speed switch, and a reactor, two contactors, a diode, and three controlled semiconductor key elements. The excitation coil is shunted in the opposite direction by a fully controlled semiconductor key element. The control device further comprises a second resistor shunted by a fully controllable semiconductor key element. The resistor is connected to the other terminal of the second contactor and to the second lead of the armature winding and to the anode of the diode. The diode cathode is connected to the common junction point of the susceptor and the first input of the static exciter.EFFECT: increasing the energy efficiency of regenerative-rheostat inhibition.1 dwg

Electric generator // 2626761
FIELD: electricity.SUBSTANCE: electric generator includes the movable and fixed magnets 1 and 2, respectively, facing the same poles to each other, as well as the inductor elements 3. The movable magnet 1 is formed as a ring with a through hole in its central portion covers the cylindrical guide ring 4 in which holes 5 are formed. The cylindrical guide and the ring 4 are located inside cavity 6 bounded by a cylindrical wall 7, around which three inductance elements are arranged. At the bottom of cavity 6 stationary magnet 2 is secured. The device is designed, mainly, for use in the construction of lighthouses and beacons for the safety of navigation at sea, as well as lakes and rivers.EFFECT: increase design reliability, reduces its weight.13 cl, 3 dwg

Ladder-type wire tray, equipped with sides of a various height // 2626622
FIELD: electricity.SUBSTANCE: ladder-type wire tray, equipped with sides of a various height falls within the domain of an electric cable routing. The wire tray (1) comprises a high side and a low side (2, 3) that are joint by a transversal member. The transversal member comprises supporting members that are oriented transverse to the wire tray. The mean cumulative material thickness of the low side overpasses the mean cumulative material thickness of the high side horizontally transverse to the wire tray.EFFECT: reinforcement of the transversal member that conjoins the sides of the wire tray that comprises the high and low sides, the approximation of the amount of high and low sides deflection under the vertical loading resulting in reduction of the material usage for wire tray with sides of different height manufacturing and in wire tray strength and load-carrying capacity enhancement.27 cl, 10 dwg

Supporting element for cable support, supplied with integrated clamp (versions) // 2626621
FIELD: electricity.SUBSTANCE: support element (1) in both embodiments is made of a sheet material and comprises at least one bearing wall (2) and at least one supporting wall (3). At least one end portion (4) of at least one support wall is separated from adjacent walls. In the first version, mentioned end portion of the supporting wall, separated from adjacent walls, is bent towards the opposite end portion of the support wall. In a second version, mentioned end portion of the support wall (4) separated from adjacent walls is arranged as an extension of the middle portion of mentioned support wall along the support element. When using a second version of the support element, the end portion of the support wall, separated from adjacent walls, is folded in the direction of the opposite end portion of the support wall.EFFECT: reducing the number of cable line parts, simplifying and improving the reliability of cable fixing on the support element.25 cl, 24 dwg

Arc suppression reactor with adjustable magnetic gap // 2626619
FIELD: electricity.SUBSTANCE: in reactor the current indicator 15 is made mechanical, and its housing (20) is made in the form of a cylinder fixed on the rotation axis 22. The bottom of the housing 20 represents a gear wheel 21 by which the current indicator 15 is kinematically connected to the magnetic gap regulator shaft 9 in such a way that the linear movement of the cores 4 and 5 is converted into the rotational movement of the housing 20. The current indicator 15 is provided with the first 24 and the second 25 locking contacts, which are fixed with the possibility to interact with the corresponding 17 and 18 limit switches of locking the end positions of the cores 4 and 5 of the magnetic circuit 3. On the side surface of the cylinder of the housing 20 of the current indicator 15, a measuring scale 34 is plotted, graduated in amperes. Coaxially with the rotation axis 22 of the housing 20 of the current indicator 15 the variable resistor 26 is fixed, to the terminals of which wires are soldered. The resistor axis rotates synchronously with the housing of the current indicator. As a result, visual and remote monitoring of the reactor current is organized. Additionally, the air drier 41 is introduced, through which the internal cavity of the reactor is communicated with the atmosphere.EFFECT: increased reliability, improved operating conditions and simplified maintenance.6 cl, 4 dwg

Direct-current voltage regulator // 2626462
FIELD: electricity.SUBSTANCE: direct-current voltage regulator contains a self-commutated inverter, an electric transformer and a rectifier, in which a single-phase transformer contains an average point in the primary and secondary windings. The first input pin of a stabiliser is connected to the collectors of the first and second transistors of the high-frequency inverter, the middle point of the secondary winding of the transformer and the first input of the control system. The second input pin of the stabiliser is connected to the middle point of the primary winding of the transformer, the second output of the stabiliser and the second input of the control system. Emitters of the first and second transistors are connected with the ends of the primary winding of the transformer respectively, and their control inputs are connected to the outputs of the control system, the beginning and the end of the secondary winding of the transformer through the first and second diodes are connected and are the first output of the stabiliser, the control system comprises a saw-tooth voltage current generator, a standard-voltage divider, a pulse driver, a pulse distributor, the first and the second pulse amplifiers. According to the invention, the standard-voltage divider is made in form of magnetodiode, and control system comprises RL-circuit, magnetic core with an air gap, an additional open coil, a constant current source, a resistor. The first and the second inputs of the saw-tooth voltage current generator are used as the first and the second inputs of the control system, the third and the fourth inputs of which are the first and the second outputs of the RL-circuit, the first output pin of which is connected to the first output of the voltage stabiliser, the second output pin of which is connected to the second output of the voltage stabiliser. The output of the saw-tooth voltage current generator is connected by the first input of the pulse driver. The pulse driver output is connected via a pulse distributor to the first and the second pulse amplifiers, the outputs of which are outputs of the control system. In the magnetic core air gap, which is the coil core in the RL-circuit and an additional open coil, a magnetodiode is locaded and is connected with the resistor in the forward direction to the direct-current voltage source sequentially. The anode and the cathode of the magnetodiode are connected to the second and the third inputs of the pulse driver.EFFECT: increased reliability of DC voltage regulator operation and possibility of forced control of the output voltage, stabilisation of the DC source voltage.2 dwg

System based on magnetic bearings // 2626461
FIELD: electricity.SUBSTANCE: left passive magnetic bearing is made in the form of a combined radial-axial magnetic bearing consisting of the first left external axially magnetized permanent magnet, the first left radially magnetized permanent magnet, the second left outer axially magnetized permanent magnet and the assembly of internal axially and radially magnetized annular magnets, consisting of the first left internal axially magnetized permanent magnet, the first left internal radially magnetized permanent magnet, the second left inner axially magnetized permanent magnet. The second left internal axially magnetized permanent magnet is simultaneously a movable part of the left axial magnetic bearing. The stationary part of the left axial magnetic bearing is made in the form of a magnetic ring with an axial direction of S-N magnetization with an external diameter equal to the external diameter of the left internal axially magnetized permanent magnet mounted in the left copper screen, which is fixed in the housing. The stationary part is made with an air gap relative to the shaft. A mechanical bearing with a low coefficient of friction is installed in the left bearing shield for the left axial stop of the system. The right passive magnetic bearing is made in the form of a combined radial-axial magnetic bearing consisting of the first right external axially magnetized permanent magnet, the first right radially magnetized permanent magnet, the second right outer axially magnetized permanent magnet and the assembly of internal axially and radially magnetized annular magnets, consisting of the first right internal axially magnetized permanent magnet, the first right internal radially magnetized permanent magnet, the second right inner axially magnetized permanent magnet. The second right internal axially magnetized permanent magnet is simultaneously a movable part of the right axial magnetic bearing. The stationary part of the right axial magnetic bearing is made in the form of a magnetic ring with an axial direction of N-S magnetization with an external diameter equal to the external diameter of the right internal axially magnetized permanent magnet mounted in the right copper screen, which is fixed in the housing. The stationary part is made with an air gap relative to the shaft. A mechanical bearing with a low coefficient of friction is installed in the right bearing shield for the left axial stop of the system.EFFECT: reliability increase.1 dwg
Limitation method of atmospheric overvoltage on high-voltage overhead power transmission lines and device for its implementation // 2626456
FIELD: electricity.SUBSTANCE: invention relates to the protection sphere of high-voltage overhead power transmission lines (OHPL) from atmospheric overvoltages. The method consists in installation of a rope lightning rod on the supports above the phase conductors. The rope lightning rod is grounded or isolated from the support, the overvoltage amplitude is reduced, limiting the entire spectrum of lightning overvoltage frequencies by producing of the lightning rod of a carbon-containing material with a resistance of not less than 10 Ohm/km and not more than 10 MOhm/km, which is selected according to the type of supports and voltage type of high-voltage overhead power transmission line. The device comprises a rope lightning rod connected to the support directly or through an insulator which is made of carbonaceous fiber woven together or of carbonaceous threads made by torsion and woven together.EFFECT: increasing of reliability of power supply and increasing of service life of the lightning protection device.2 cl

Device for placing electric motor for hybrid vehicle // 2626438
FIELD: engine devices and pumps.SUBSTANCE: device for placing electric motor for hybrid vehicle including an electric motor with a rotor shaft and a rotating shaft of inner cylindrical part disposed in inner cylindrical part of rotor shaft in order to penetrate into the rotor shaft, and an electric motor housing. Device for placing electric motor comprises a supporting member configured to support slewing capacity of rotating shaft of inner cylindrical part and the rotor shaft, and an insulating section adapted to provide insulation between the supporting member and the housing.EFFECT: electrical corrosion is prevented.7 cl, 3 dwg

Propulsion unit // 2626419
FIELD: transportation.SUBSTANCE: propulsion unit includes a DC electric motor which shaft is rigidly connected to the actuator shaft. The synchronous generator is rigidly connected to the actuator and the electric motor. The first-sixth unit inputs of three power supply batteries are respectively connected to the first-sixth unit outputs of six releasers. The first, second and third outputs of the power supply unit are respectively connected to the first, second and third inputs of a unit of three releasers. The first, second and third outputs of the unit of three releasers are respectively connected to the first, second and third inputs of the unit of six releasers, the fourth and fifth inputs of which are respectively connected through the battery stabilization and charging unit, respectively, to the first and second outputs of the contactless synchronous generator. The DC electric motor has an input connected to the fourth output of the block of three releases, the fourth input of which is connected to the output of a control unit receiving electromagnetic energy.EFFECT: increased actuator's rotation time.1 dwg

agnet-thermal generator for space ship // 2626412
FIELD: power industry.SUBSTANCE: magnet-thermal generator contains a thermal energy converter into an electrical system with a magnet system from a permanent magnet and a ferromagnetic plate characterized by a large magnetization jump at the Curie point temperature and a small residual magnetization and taking solar thermal energy. The magnet-thermal generator contains n converters of thermal energy to electrical. Each of the ferromagnetic plates of the converter is located above the permanent magnet and can have a different Curie point value in the range of -150°C to +150°C. The magnetic system is installed inside the housing made of a material with the possibility of shielding electromagnetic radiation. In the gap between the permanent magnet and the housing, there is a winding whose terminals are led to the outer side of the housing.EFFECT: reduction of specific mass, maintenance of generation of electric energy from solar thermal energy both at direct influence on it of a solar stream, and in the field of a shadow.2 dwg

ethod electric machine of radial motion operation // 2626377
FIELD: electricity.SUBSTANCE: electric machine of radial motion generates the electric power on the basis of use of the magnetohydrodynamic effect arising at interaction of a stream of water, electrolytes, a conducting liquid with an external magnetic field. The electric radial motion machine comprises a body, permanent magnets and working channels with an electrically conductive moving mass with a number of channels greater than two in which electromagnetic and electromotive forces are created by interacting with a constant magnetic field. The working channels are radially located between the permanent magnets, are made tapering toward the central axis and are provided with external bridges connecting them in series. As a body, a cylindrical magnetic circuit is used with an inlet and an outlet for an electrically conductive moving mass. Two ring and one disk permanent magnets are located inside the housing with the possibility of placing working channels between them. The electrodes are obliquely located on the inside of each working channel and are insulated with insulating inserts of a polymeric material with a high triboelectric capacity and an internal variable cross section.EFFECT: efficiency upgrading.3 dwg

Frequency control method of asynchronous electric motor // 2626325
FIELD: electricity.SUBSTANCE: frequency control method of asynchronous electric motor, containing the voltage rectifier, the capacitor filter and the self-contained voltage inverter, the amplitude and output voltage frequency of which are formed in accordance with the specified motor speed, which is realized in the control system, closed at rotation speed through the speed controller, the input signal of which is the discrepancy of the assignment and the feedback signals, which is obtained by the speed sensor, mounted on the motor shaft. The feedback signal proportional to the motor speed is generated in the control system by adding the synchronous and slip frequency signals, taken with the minus sign, to form which the control unit is added to the control system, the input of which is supplied with the signals proportional to the average value of the inverter input current, the maximum value of the inverter input current and the modulation factor. The signal corresponding to the current slip frequency is determined from the expression , where Isanom - the value of the stator current active component in the nominal operating mode, ωrnom - slip frequency in the nominal operating mode, Iin - the signal proportional to the average value of the inverter input current, Im - the signal proportional to the maximum inverter current, Rs - active resistance of the stator winding phase AD, Udc - average value of the capacitor voltage in the intermediate link of the frequency converter, m - modulation factor.EFFECT: reliability increase and expansion of the application field.3 dwg

Floating coastal hydro-wave power plant // 2626188
FIELD: power industry.SUBSTANCE: floating coastal hydro-wave power plant that uses the energy of its body (1) rolling by waves and wind, contains cargoes (2) moving relative to the body (1), kinematically connected to the shafts of the electric generator rotors, to which end the cargo (2) bases are made along a circle arc and have the possibility of arc moving in the body (1). Cargo (2) is freely installed along and/or across the axis of the body (1) by its lateral cylindrical surfaces on parallel to them supporting rollers (5) with the possibility of the cargoes (2) stable orientation to the Earth's center in a vertical plane and their free rotation along the arch of their base when rolling the body (1) by waves and wind. The support rollers (5) are kinematically connected with the rotors and stators of the electric generators.EFFECT: providing effective power removal with a wide range of parameters and wave energy.25 cl, 22 dwg

Precision movements device // 2626024
FIELD: electricity.SUBSTANCE: device for precision movements contains two elements of piezoelectric material. The electrodes connected to the voltage power supply are placed on two opposite sides of each element. Mentioned elements are mounted on the base with common electrode for both elements and are designed in the way that the direction vectors of the control voltage deformation are collinear and oppositely directed upon the same polarity of the control voltage.EFFECT: providing calibration of modern confocal microscopes and optical interferometers which are used in production sector.3 cl, 1 dwg

Device for compensation of capacitive currents of short circuit in networks with isolated neutral 6-10 kb // 2626011
FIELD: electricity.SUBSTANCE: device contains a three-phase disconnector, a meter, a control system, a three-phase static converter of electrical energy, a current sensor, a voltage sensor. The phases of the static converter of electrical energy are connected to the network through a current sensor connected to a three-phase disconnector connected to the phases of the network and a control system that is connected to a meter, current sensor, voltage sensor, three-phase static converter of electrical energy, and contains Hilbert converter, block for calculating the direct, reverse and zero sequence of current and voltageαβ, blocks of transition from the coordinate system ABC to the coordinate αβ system, blocks for transition from the coordinate system to the stationary coordinate system dq, subtraction schemes, setting blocks, proportional-integral regulators, Coordinate systems dq to coordinate systemαβ, blocks of transition from the stationary coordinate system dq to the coordinate system ABC, summation circuits, reference voltage generator, comparators, logical devices NOT, blocks of angle calculationγ, the comparison unit, connected accordingly.EFFECT: increasing the speed and providing control over the direct and reverse sequence of current.4 dwg
 
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