Electric power conversion systems – Current conversion – Using semiconductor-type converter
Patent
1981-12-28
1983-10-25
Shoop, William M.
Electric power conversion systems
Current conversion
Using semiconductor-type converter
323287, 323351, 363 44, H02M 7155
Patent
active
044122799
ABSTRACT:
A switching voltage regulator is provided for coupling a source of AC potential to a DC load. Thyristor full wave rectifier means provide a source of DC potential which is connected to the load through an inductance in series with the load. The input of the inductance is shunted by a commutating diode which provides a path for the inductive current when the thyristor means are in the nonconducting phase of their operating cycle. Circuit means are provided to reverse bias the commutating diode in advance of each conduction cycle of the thyristor means. As a consequence, the level of RFI conducted to the AC power line is significantly reduced.
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Beckman Instruments Inc.
Canzoneri Al A.
Mehlhoff F. L.
Shoop William M.
Steinmeyer R. J.
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