Electric power conversion systems – Current conversion – With starting arrangement
Patent
1978-06-12
1979-08-07
Shoop, William M.
Electric power conversion systems
Current conversion
With starting arrangement
363 36, 363 97, 363133, H02M 700, H02M 118
Patent
active
041640144
ABSTRACT:
A converter power supply apparatus includes a direct current power supply and an oscillator circuit comprising a feedback transformer and two semiconductor switching devices arranged to be turned on alternately to produce alternating currents in primary winding means of the feedback transformer and in a load circuit. Circuit means couple the load circuit to secondary winding means of the feedback transformer so as to augment control currents fed to the switching devices. Circuit means may be provided to generate a starting pulse and to feed this pulse to the oscillator circuit to cause oscillation to recommence after disconnection of the load circuit. The direct-current source may be provided by rectification of an A.C. input and this input may be controlled in accordance with output voltage of the converter to stabilize the output voltage.
REFERENCES:
patent: 2997664 (1961-08-01), Jensen
patent: 3411108 (1968-11-01), Phillips
patent: 3691450 (1972-09-01), Cox
patent: 4039921 (1977-08-01), Yoshida et al.
patent: 4047089 (1977-09-01), Suzuki et al.
Crowe John E.
Shanley John J.
Gould Advance Limited
Laubscher Lawrence E.
Shoop William M.
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