Converter circuit arrangement

Details Converter circuit arrangement Converter circuit arrangement

1996-11-01

1998-06-16

Wong, Peter S.

Electric power conversion systems

Current conversion

Including automatic or integral protection means

363137, H02H 7122

Patent

active

057681147

ABSTRACT:
A converter circuit arrangement is disclosed. As a result of the fact that GTOs are hard driven, reverse-parallel connected diodes have a reverse current response dV/dt of 2 kV/.mu.s to 10 kV/.mu.s and a low-inductance freewheeling circuit is provided between the DC voltage source and the GTOs, the GTOs and the reverse-parallel connected diodes can be operated without a protective circuit.

REFERENCES:
patent: 3388310 (1968-06-01), Etter
patent: 4058696 (1977-11-01), Antier et al.
patent: 4376296 (1983-03-01), Bhagwat et al.
patent: 5345096 (1994-09-01), Gruning
"An Overview of Low-Loss Snubber Technology for Transistor Converters", Ferraro, IEEE, 1982, pp. 466-477.
"Efficient Snubbers for Voltage-Source GTO Inverters", McMurray, IEEE Transactions on Power Electronics, vol. PE-2, No. 3, Jul. 1987, pp. 264-272.
"GTO-Pulswechselrichter mit Wirkstromregelung fur Schienenfahrzeuge mit Gleichspannungsspeisung", Beck, Elektrische Bahnen eb, Mar. 1988, pp. 81-85.
"Some Aspects of the Circuit Design of High Power GTO Converters", Runge, et al., EPE, 1989, pp. 1555-1560.

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