A multi-channel LTD parallel device for generating pulse large current

By adopting a multi-channel LTD parallel device with deionized water dielectric insulation, the problems of low energy transmission efficiency and inconvenient maintenance of existing devices are solved, achieving efficient current transmission and simplified maintenance, and facilitating the driving of various loads.

CN116405009BActive Publication Date: 2026-06-09NORTHWEST INST OF NUCLEAR TECH
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NORTHWEST INST OF NUCLEAR TECH
Filing Date
2022-11-30
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

Existing pulsed high current generating devices have low energy transmission efficiency. A single-layer uniformly distributed LTD pulse source cannot drive two or more layers of high-voltage insulation stacks. The transition structure between the coaxial output line and the insulation stack is complex. The connection between the coaxial output line and the deionized water in the central collection pool makes maintenance inconvenient.

Method used

It employs a P-channel LTD pulse source, P coaxial output lines, a central convergence water tank, P sets of horizontal three-plate transmission lines, multi-layer high-voltage insulation stacks, and a disc-cone vacuum magnetically insulated transmission line. Through deionized water dielectric insulation, it realizes the transmission and convergence of multiple electrical pulses. An insulating partition is set on the outer wall of the central convergence water tank to simplify the transition structure and improve maintenance convenience.

Benefits of technology

It improves energy transmission efficiency, ensures electrical isolation and timing control, facilitates driving loads of different configurations, simplifies the maintenance process of the device, and improves the level of modularity and integration.

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Abstract

The application provides a multi-path LTD parallel device for generating pulse large current, and aims at solving the technical problems of low energy transmission efficiency of the existing pulse large current generating device, incapability of driving high-voltage insulation stack of more than two layers by single-layer uniform distribution LTD pulse source, complex transition and conversion structure of coaxial output line and insulation stack, and inconvenient maintenance, etc. The multi-path LTD parallel device adopts impedance-matched coaxial output line and horizontal three-plate transmission line to realize multi-path electric pulse transmission, and deionized water insulation is adopted for the LTD secondary transmission line, the coaxial output line and the horizontal three-plate transmission line; through the staggered arrangement of the horizontal three-plate transmission line in the central gathering pool, the multi-layer high-voltage insulation stack of double-layer or four-layer structure can be driven under the condition of single-layer circumferential radial layout of the LTD pulse source; and then the pulse large current is transmitted and gathered to the physical load through the disc cone vacuum magnetic insulation transmission line on the vacuum side of the multi-layer high-voltage insulation stack.
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