H - Electricity – 02 – M
Patent
H - Electricity
02
M
318/120
H02M 7/521 (2006.01) H02M 7/525 (2006.01) H02P 25/02 (2006.01)
Patent
CA 1288467
ABSTRACT OF THE DISCLOSURE In a load commutated inverter system, the recovery time of the outgoing static switch is extended by applying an auxiliary commutation voltage in series with the associated phase line. This action is triggered in response to the gating signal of the on-coming switch during a time interval initiated before the expiration of the overlap time interval. Its duration extends by a predetermined amount beyond the normal recovery time of the outgoing switch.
558313
Abbondanti Alberto
Riches Mckenzie & Herbert Llp
Westinghouse Electric Corporation
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