Electric power conversion systems – Cascaded or combined – diverse conversions in which the... – Current and phase
Patent
1988-06-13
1989-09-12
Beha, Jr., William H.
Electric power conversion systems
Cascaded or combined, diverse conversions in which the...
Current and phase
363 17, 363 56, 363 58, H02M 3335
Patent
active
048665860
ABSTRACT:
A DC/DC power converter 10 which avoids shoot-through current by employing an energy storage fly-back inductor 27 having two separate primary windings 28 and 29, one for current in each direction. The fly-back inductor 27 is located inside the switching bridge. In addition, a transformer 30 having two separate windings 42 and 44 is also employed. Thus, shoot-through is avoided and an extra switch for pulse width modulation is not required. In addition, the device does not apply a greater voltage than the line voltage to the switches and "holes" in the output current are not created so that less noise is generated by the device.
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Beha Jr. William H.
Sutcliff W. G.
Westinghouse Electric Corp.
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