RU1424675C - Controlled discharger - Google Patents

Abstract

The invention relates to high voltage pulse technology, and in particular to spark discharges in which the main discharge gap is filled with a solid dielectric. The purpose of the invention is to increase the service life of the controlled discharge The controlled discharge consists of a housing 1 filled with a liquid dielectric 2. Current conductors 3-5 are fixed on the housing to supply the main and control voltages to the electrodes 6-8, pulled out in the form conductive tapes. The first main electrode 6 is separated from the second main. 7 and firing the electrodes with a solid dielectric tape 9. The electrodes 6-8 are pressed against the solid dielectric tape by pressure stops 11. After the discharge has been fabricated, a tape of solid dielectric and tape electrodes is wound around the coils. 2 ill.

Description

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The invention relates to high-voltage pulsed technology, namely, spark discharges in which the main discharge gap is filled with a solid dielectric, and can be used to create pulsed devices with capacitive energy storage devices in various electrophysical installations used to produce high-temperature plasma in high-current nanosecond accelerators, pulse current generators, electrical technology, etc.

An object of the invention is to increase the life of a controlled discharge.

In FIG. 1 is a schematic diagram of a controllable arrester; Fig. 2 is a system of webs and clamps (section AA in Fig. 1).

The arrester consists of a housing 1 filled with a liquid dielectric - transformer oil 2. Current leads 3, 4, 5 are fixed in the arrester housing to supply the main and control voltages to the two main 6, 7 and ignition 8 electrodes made in the form of tapes copper foil. The first main electrode b is separated from the second main 7 and the ignition | 8 electrodes drawn by a tape made of solid dielectric - polyethylene 9, The electrodes b, 7 are pressed. 8 to the tape 9 are made using clamping stops 10, and the electrodes 6-8 are separated by squeezing stops 11. In FIG. 1 and 2, it is shown that each main electrode and the igniter contacts a solid dielectric tape in one section, however, with the help of additional weakening and pressing stops, it is possible to create several such sections and thereby ensure a multi-channel breakdown.

The controlled release operates as follows. After applying the main voltage through current leads 3 and 4 to the electrodes 6 and 7, a firing pulse is supplied to the ignition electrode 8 through current lead 5, which leads to the formation of a discharge channel in the solid dielectric tape and its breakdown. After operation of the discharge, le Ita is pulled from solid

dielectric and electrodes, in this case, the electrodes are separated from the puncture site of the solid dielectric tape.

Delay time and stability of operation of the proposed discharge

at a working voltage of 4 kV and a switched energy of 0.6 and 1.6 kJ during operation, they remain at the initial level and are respectively equal to 18.3 and 1.3 ns, while for the prototype discharge these characteristics at the beginning of operation respectively equal to 18.2 NS and 1.3 not. At

a switching energy of 0.6 kJ, the delay time and the stability of operation after 300 operations of the prototype discharge are 27.8 ns and 2.1 ns. and after 370 operations - 36.7 ns and 3.2 ns. With a switched energy of 1.6 kJ, after 300 responses, these characteristics are respectively 40.6 ns and 3.8 ns, after

370 operations - 58.4 non and 5.7 non.

Thus, the controlled discharge allows for a long time to preserve the temporal characteristics at the initial level, i.e. a much larger tree does not fail.

(56) Copyright certificate of the USSR Mg 890500, cl. H 01 T 3/00, 1981. USSR copyright certificate No. 1333182. cl. H 01 T 2/02, 1986.

Claims (1)

SUMMARY OF THE INVENTION A controllable discharger comprising a stretchable solid dielectric tape, on one side of which are placed the first main and ignition electrodes, and on the other side, the second main electrode, characterized in that, in order to increase the service life of the discharge / s As a result, the electrodes are made in the form of stretchable metal tapes, which are additionally inserted in pairs by pair of retractable and pressure stops, and under the pressure stops, the electrodes Q are contacted with a solid dielectric tape.