Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1996-08-14
1999-07-06
Wong, Peter S.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
363 89, 363 53, 323239, H02M 542, H02M 7217, H02H 7125, G05F 110
Patent
active
059204753
ABSTRACT:
For use in a power system having a power train, a rectifier having an input and an output and a method of controlling the rectifier. The rectifier comprises: (1) switching circuitry coupled between the input and the output, the switching circuitry adapted to operate in selected one of (a) a bidirectional mode of operation and (b) an unidirectional mode of operation to rectify substantially alternating current at the input to produce substantially direct current at the output; and (2) control circuitry coupled to a control input of the switching circuitry, the control circuitry capable of sensing a characteristic of the power system and transitioning the switching circuitry between the bidirectional mode and the unidirectional mode as a function of the characteristic thereby to prevent substantial reverse power flow through the rectifier.
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Boylan Jeffrey L.
Rozman Allen Frank
Lucent Technologies - Inc.
Vu Bao Q.
Wong Peter S.
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