Absorption circuit of insulated gate bipolar transistor for high-frequency capacitor charging power supply

xing da; gao yinghui; yan ping

Volume 23 Issue 01

Sep. 2012

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Article Navigation > High Power Laser and Particle Beams > 2011 > 23(01): 0-

yan ning, zhang wei, chang jiafeng, et al. Propagation of Blob in boundary of HT-7 tokamak[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

xing da, gao yinghui, yan ping. Absorption circuit of insulated gate bipolar transistor for high-frequency capacitor charging power supply[J]. High Power Laser and Particle Beams, 2011, 23.

yan ning, zhang wei, chang jiafeng, et al. Propagation of Blob in boundary of HT-7 tokamak[J]. High Power Laser and Particle Beams, 2011, 23.

Citation:

xing da, gao yinghui, yan ping. Absorption circuit of insulated gate bipolar transistor for high-frequency capacitor charging power supply[J]. High Power Laser and Particle Beams, 2011, 23.

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Absorption circuit of insulated gate bipolar transistor for high-frequency capacitor charging power supply

1.
Institute of Electrical Engineering,Chinese Academy of Sciences,Beijing 100190,China;
2.
Graduate University of Chinese Academy of Sciences,Beijing 100049,China

Publish Date: 2010-12-27

Abstract

Abstract

Enhancing frequency is an effective method to enhance the power density of a power supply. In order to protect switching devices in the high-frequency capacitor charging power supply (CCPS), the mechanism and influencing factors of reverse peak voltages were investigated based on the series resonant capacitor-charging power supply. Several methods to inhibit the peak voltages were introduced. Fundamental principles of absorption circuit were analyzed, and circuit parameters were selected and optimized by simulation. Then the feasibility of absorption circuit was verified by the test of a 40 kW/50 kHz capacitor-charging power supply.
- capacitor charging power supply,
- absorption circuit,
- peak voltage,
- insulated gate bipolar transistor,
- inverter,
- high-frequency power supply

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