A High-Voltage Mega-Voltage Coaxial-Plate Hybrid Low-Inductance Pulse Capacitor

Abstract

The invention discloses a coaxial-plate hybrid low-inductance pulse capacitor applied to high-voltage megavolt level. The capacitor includes an insulating cavity, a capacitor outer cylinder, and a first low-voltage electrode assembly, a high-voltage electrode assembly, and a second low-voltage electrode assembly sequentially arranged in the capacitor outer cylinder along the radial direction; the capacitor outer cylinder is arranged in the insulating cavity; the high-voltage electrode The assembly includes a magnetic pressure type high voltage electrode, a high voltage input end shielding ball and a high voltage output end shielding ball; the first low voltage electrode assembly includes a first magnetic pressure type low voltage electrode and a plurality of first intermediate magnetic pressure type electrodes; the second low voltage electrode assembly includes The second magnetic pressure type middle electrode and multiple second magnetic pressure type low-voltage electrodes; the capacitor is based on the idea of ​​flat-coaxial hybrid capacitor and the optimized design of multi-layer middle electrode uniform voltage division solves the mutual restriction between high voltage insulation and inductance The technical problem greatly increases the working voltage of the peaking capacitor and improves the output pulse voltage index of the analog device.

Description

Technical field [0001] The present invention relates to a capacitor, mainly to a high voltage megavolt level coaxial - flat plate hybrid low inductance pulse capacitor. Background [0002] The electromagnetic pulse simulator is a device that produces faster leading edge, narrower width, wide band double exponential pulses. The high-voltage electromagnetic pulse simulator is often implemented by two-stage compression circuit, that is, through the two-stage pulse compression of The Max circuit, the mid-storage circuit and the peaking circuit. The Marx circuit produces pulses of several hundred nanoseconds, the middle storage circuit produces tens of nanosecond pulses, and the peaking circuit produces several nanosecond pulses. [0003] Peaked capacitors are the core components of the pulse power drive source, and in order to obtain a pulse fast front, the inductance of the peaked output loop must be reduced. That is, to reduce the inductance of the peaked capacitor and output switc...

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problem that the existing peaking capacitor structure pointed out in the background technology is difficult to meet the low inductance and high withstand voltage problem, the present invention proposes a high-voltage megavolt coaxial-plate hybrid low-inductance pulse capacitor

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