Electric power conversion systems – Current conversion – Including automatic or integral protection means
Patent
1982-01-04
1983-12-27
Beha, Jr., William H.
Electric power conversion systems
Current conversion
Including automatic or integral protection means
340310R, 363 36, 363 81, 363 87, 363129, H02H 7127, H02P 1324
Patent
active
044234775
ABSTRACT:
A rectifier controller for controlling bridge connected silicon control rectifiers (SCRs) (1 to 6) of a three-phase rectifier which is used to supply a direct current (DC) voltage to an inverter (314) used for injecting pulse coded audio frequency signals on a power line. The controller supplies gate control signals to the SCRs (1 to 6) of the rectifier bridge in accordance with the envelope of the three-phase supply voltages and provides for protection of the inverter (314) when shoot-through conditions occur in the inverter (314) and provides for output DC voltage adjustment by controlling the firing time of the rectifier bridge SCRs.
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Beha Jr. William H.
Sangamo Weston, Inc.
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