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This paper describes detail procedures of testing high voltage capacitor charger for 7 kV, 150 kJ pulsed power application. The designed high voltage capacitor charger was developed based on current source load resonant converter and its average charging power is 35 kJ/s. The various kinds of testing were performed including normal operating condition and the malfunctioning condition of the system...
This paper describes a 150 kJ compact pulsed power system (CPPS) for electrothermal chemical (ETC) accelerator on a vehicle. The CPPS provides pulsed electrical energy into a capillary plasma injector which generates plasma of tens of thousands K in temperature and has a nonlinear resistance value depending on the current. The design requirements of the CPPS are as follows: the maximum power of 200...
Summary form only given. In this paper, a novel gate driver circuit for pulse power generator based on IGBT stacks is proposed. Proposed scheme consists of high voltage cables with simple and reliable gate circuits which gate signal and power is delivered by simple current loop from single phase full bridge inverter. For gating signal synchronization, full bridge inverter and pulse transformer generates...
In this paper, a novel new pulse power generator based on IGBT stacks is proposed for pulse power application which can be used for PSII applications. Because it can generate high voltage pulse output without any step-up transformer or pulse forming network, it has advantages of fast rising time, easiness of pulse width variation, high repetition rate and rectangular pulse shape. Proposed scheme consists...
In this paper, a novel new pulse power generator based on IGBT stacks is proposed for pulse power application. The proposed scheme consists of series connected 9 power stages to generate maximum 60 kV output pulse and one series resonant power inverter to charge DC capacitor voltage. Each power stage is configured as 8 series connected power cells and each power cell generates up to 850 V DC pulse...
Summary form only given. This paper reviews the R&D results on pulsed power technology achieved in Korea Electrotechnology Research Institute (KERI) in a decade or so. KERI has developed pulsed power technology and its applications mostly based on power electronics. KERI's R&D activity covers components, military systems, and industry applications. High voltage switching means developed in...
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