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A magnetic pulse compression system is presented which does not contain external remagnetization circuits that are commonly used in magnetic compressors. A one stage compressor suffices to form 20kV, ∼70ns pulses across a 207Ω resistive load. Equivalent circuits for two consecutive operation stages of the compressor accounting for nonlinear processes in magnetic switches are described and analyzed...
To increase the lifetime of vacuum insulators in pulsed power facility, composite material vacuum insulators have been studied in our lab. This new composite material vacuum insulators will be used in lager pulsed power facility. The composite insulators consist of a base material of epoxy and coating material of epoxy composite. The base insulators withstand the shock environment while the high voltage...
A trigger device of pulsed power facility is introduced in this paper. The trigger device is composed of Marx generate, power supply, trigger, and et al. The principle of Marx generate (in the paper) is outlined. Equivalent circuit of charging is analyzed, and the waves of charging voltage and current are respectively simulated. Then equivalent circuit of discharging is analyzed, and the wave of output...
With the aim of studying the characteristics of laser-triggered surface flashover in voltage pulse, synchronization problem of laser pulse and voltage pulse should be solved. Of the laser-triggered surface flashover facilities, a high precision laser trigger system is built up. A single/double harmonic, with wavelength λ of 1064/532 nm, Q-switched Nd:YAG laser is used to trigger the surface flashover...
The phenomenon of electrical tree growing under repetitive nanosecond high voltage pulses (fwhm 70ns) is researched in the paper. The single-magnetic pulse compression system is used in these experiments. The pure polyethylene material is adopted as the experimental sample. To reduce the random dispersion of experiments' results, every test sample had six needle electrodes with a uniform spacing distribution...
A magnetic pulse compression topology is presented which does not contain external remagnetization circuits that are commonly used in magnetic compressors. Principle of operation of the compressor is described. A two stage compression system is designed based on the new MPC topology. To understand the magnetic switch operation in great detail and to model the performance of magnetic switches, a Pspice...
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