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This paper presents a novel design of a pulsed current generator using an inductor as energy-storage component based on solid-state Marx adder, in which the structure of the basic unit in solid-state Marx adders is changed. After two times of energy conversion, this current generator produces pulses with a good flat, a fast-rising edge and a fast-falling edge, regardless of the impact that the resistive...
It has been understood the large drawback of a CLLC bidirectional serious resonant converter is using three magnetic components, i.e., the transformer and two resonant inductors. In this paper, an integrated magnetic transformer for simplifying and boosting the electrical vehicle (EV) and plug-in electrical vehicle (PHEV) on board charger module (OBCM) implementation and performance of a bidirectional...
This paper explores the feasibility of a new triggering technology that is based on reversed-LTD (linear transformer driver) principle. The triggering technology which is named as LTD-trigger has a similar structure to LTD device, but it operates reversely relative to LTD. The LTD-trigger is small size and can obtain multiple trigger pulsed voltages flexible with one single primary high-voltage pulsed...
In many pulsed power applications, high voltage and high frequency square pulses are needed. Traditional Marx type modulators based on solid-state switches often couldn't meet the requirements, especially on frequency and waveform. To solve the problems, a novel solid-state pulsed power modulator based on charging and driving by magnetic ring transformers is introduced in this paper. In order to obtain...
An all solid-state Marx modulator utilizing Insulated Gate Bipolar Translators (IGBTs) is capable of outputting pulses with variable pulse width, repetitive pulse frequency and varying voltage amplitude. But the relatively slow turn-on speed of IGBT with high current loads result in slow rise time of output pulses. If a magnetic switch (MS) is combined with an all solid-state Marx, it will be quite...
In this paper, we investigated the di/dt capability and the turn-on action of conventional thyristors (including common thyristor and GTO) under short pulse conditions. Although the common thyristor is proven to be not adequate for pulse application, the GTO behaves excellently and it exhibits the potential of being operated in the case of much higher di/dt and pulse current than its rated values...
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