Method of energy transfer at long distances

FIELD: power engineering.

SUBSTANCE: method is intended for systems that perform energy transfer at long distances. Method includes provision of energy carrier movement to energy recipient inside autonomous flexible vacuum ion guide; in capacity of energy source and recipient linear resonance accelerators are used, and in capacity of energy carrier - electronic bundles in the form of sequence of short clot with the possibility of their movement in both directions, at that vacuum in ion guide is maintained by means of getters, and electrons retention in ion guide is performed by means of quadrupole lenses made of hard-magnetic materials.

EFFECT: provides environmental safety and increases efficiency of energy transfer (up to ≈99 %), the value of which does not depend on the value of transferred power, does not contaminate environment even in case of ion guide damage, besides, specific material intensity and cost of ion guide are reduced.

 

The invention relates to energy and can be used to create effective systems of energy transmission over large distances with minimal loss of energy-abundant areas to deficit areas.

Closest to the invention to the technical essence is a way of transmitting energy over long distances, including the provision of the movement of energy from the energy source to the receiver of energy within the Autonomous flexible vacuum inproved (SU 1238013 A1, IPC G01T 1/36, published 15.06.1986).

The disadvantage of this method is the low efficiency of energy transmission over large distances using beams of electrons accelerated to high energies in the linear resonance accelerator.

The objective of the invention is to provide an effective way of transmitting energy over large distances using beams of electrons accelerated to high energies in the linear resonance accelerator.

The problem is solved due to the fact that the means of transmitting power over long distances, including the provision of the movement of energy from the energy source to the receiver of energy within the Autonomous flexible vacuum inproved, as an energy source and the secondary energy use linear resonance accelerators, as well as energy use powerful the s electron beams in a sequence of short bunches with the possibility of their movement in both directions, moreover, the vacuum in inprovide support through getters and hold electrons in inprovide realized by means of quadrupole lenses of hard magnetic materials.

Energy source of electrons is a linear resonant accelerator in which electrons are accelerated to an energy of 20-30 GeV. When the current in the beam of 100 mA beam power will be 2-3 GW. The length of a modern linear accelerator with superconducting resonators with a potential 20-30 GW will be ≈1000 m with an average RF power generators equal to the power of the beam, i.e. 2-3 GW. Recipient of energy is another of the same accelerator, located at the output end of inproved. At the exit of the linac beam is a sequence of short bunches, which because of the smallness of the variation of the electron pulses and strong relativism electrons virtually no blurring when driving inproved.

Since the motion of electrons in the Autonomous flexible vacuum inprovide can occur in both directions, the energy emitter and receiver of energy can be changed by commands of the system operator in accordance with the conditions.

Accelerated electrons are in the Autonomous vacuum inproved, the walls of which are made of corrugated copper tube with an inner diameter of ≈20 mm and the thickness of the other ˜ 0.5 mm Vacuum ˜10 mm Hg within inproved is created in advance.

As modern getters able to maintain the required vacuum for decades, the system of permanent pumping is not required.

Hold electrons in inprovide is placed on the outer side copper tube focusing quadrupole lenses made of hard magnetic materials. Modern hard magnetic materials resistant to external influences and do not require feeding for an unlimited time. Quadrupole lenses have the shape of rings with an inner diameter of 22 mm, thickness of 5 mm and placed at a distance of 0.1 mm from each other. On each segment of length 2.25 m the quadrupoles have the same sign of the gradient, changing the sign on the adjacent segments on the reverse. When the gradient lenses ±33 T/m field strength at the edge of the aperture of the channel is equal to 0.4 T. note that the weight of the considered inproved is ≈3 kg/m

When the stiffness of the electrons 67 TM wavelength focusing of electrons in inprovide reaches 20 m, which gives a large enough value of acceptance of inproved =30 mm mrad, and the possible radius of curvature of inproved is limited from below by the value of 2000 m. the resulting value of the curvature is sufficient to trace inproved the area virtually is any relief.

When switching the beam from a straight part in a curvilinear possible excitation of coherent oscillations of the beam, to suppress which is necessary to land with the curvature of the path had a length that is a multiple of the wavelength focusing, that is equal to 20 m, 40 m, 60 m, etc.

Calculations of the effects leading to widening of the beam, showed that even when the length of inproved 12 tons km-electron scattering on the residual gas in inprovide at a pressure of ≤10-4mm Hg are almost negligible. When these options direct the energy loss of the beam on the length of 12 tons km does not exceed 0.5%. With a smaller length of inproved proportionately reduced and the requirement for the vacuum.

The study of the scattering of the electron beam on the fluctuations of the magnetic field gradient in the quadrupole lenses showed that if we assume a doubling of the emittance of the beam throughout the length of inproved, the level fluctuations of the gradient in the quadrupole lenses is limited to the value ≤0,6%. In accordance with the existing practice of creating magnetic devices from hard magnetic materials, the obtained tolerance is achievable.

More difficult to perform was the tolerance for errors in the position of the magnetic axes of the lenses that occur during manufacturing and when mounting the lens on inprovide.

However, calculations showed that when the length is of inproved 12 tcm, allowable RMS value of variation in the position of the axes of the lenses ≈10 MK. Obtained admission not at the present state of the art technology can be performed.

However, given the importance of reliable operation of inproved for uninterrupted supply of energy to consumers, you should consider installing on inprovide automated systems for correction of the trajectory of the ion beam on its different parts. Since displacement of the beam from the displacement of the lenses has a coherent character, this way of correcting the beam position feasible, at least up to some frequency dispersion in the beam, which in a highly relativistic electron beam is practically absent.

When the length of such sections 500 km admission to the lens-shift softened 5 times and comes to almost easy in ≈50 MK. The execution of such tolerance is beyond doubt.

Inproved for the implementation of the proposed method of energy transfer can be reliably protected from accidents (e.g., breaks inproved loss of vacuum). To do this, by some distance (≈1000 m) in inprovide must be installed quick vacuum valves. Taking into account the response time of 0.2 seconds shutter and taking the time to evacuate power from the line - ι(ι≤0,06 C), the length of the Uch is STCA lost vacuum will not exceed 200 m

The method of energy transfer over long distances, including the provision of the movement of energy from the energy source to the receiver of energy within the Autonomous flexible vacuum inproved, characterized in that as the energy source and the secondary energy use linear resonance accelerators, as well as energy use powerful electron beams in a sequence of short bunches with the possibility of their movement in both directions, and the vacuum in inprovide support through getters and hold electrons in inprovide realized by means of quadrupole lenses of hard magnetic materials.



 

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