H - Electricity – 02 – H
Patent
H - Electricity
02
H
321/51
H02H 7/122 (2006.01) H02M 7/515 (2006.01)
Patent
CA 1093153
41GC 3019 ABSTRACT OF THE DISCLOSURE A circuit for detecting a missed commutation in an inverter. The circuit includes a detector coupled to the center tap of a commutating interval current limiting reactor which is connected in series with and interposed between a pair of gate controlled rectifiers for generating a first signal upon detecting and for the duration of an interval when both of the rectifiers are ON. The circuit further provides a signal processing arrangement, responsive to a first pulse used to initiate an interval when either of the pair of rectifiers is to be "ON", for generating a second signal. Also provided is a gating arrangement responsive to the first and second signals for generating a control signal to cause cessation of the operation of the inverter, is the first signal is absent during the total occurrence of the second signal.
285939
Anderson Thomas E.
Ibsen Ole N.
Peak Steven C.
Company General Electric
Eckersley Raymond A.
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