Design of Digital Drive of High Power High Voltage DC Circuit Breaker Based on IGBT Device

doi:10.3969/j.issn.1008-0198.2022.05.002

Abstract

Abstract: Aiming at the application of high power multi-switch, a new multi-function IGBT digital driver based on field programmble gate array(FPGA)is proposed, which is efficient, safe and reliable.The driver can make use of the full insulated gate bipolar transistor(IGBT)state detection circuit, multi-channel signal fault detection and protection circuit. In the test of multi-switch and high power 10 kV/5 kA circuit breaker, it is proved that the driver can ensure the validity of IGBT's functions such as voltage sharing, current sharing and temperature detection.The function of simultaneous shutdown is realized in 6.4 μs, the switching process of IGBT is optimized, and the safety and reliability of the whole circuit breaker is ensured.

Key words: insulated gate bipolar transistor, high power digital driver, field programmable gate array(FPGA), multi channel signal fault detection

CLC Number:

TM561

ZENG Jinhui, FAN Yangjie, HE Dong, LIU Xiang, LIAO Xiaobin. Design of Digital Drive of High Power High Voltage DC Circuit Breaker Based on IGBT Device[J]. Hunan Electric Power, 2022, 42(5): 8-15.

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