Demand controlled preregulating rectifier circuit for power supp

Details Demand controlled preregulating rectifier circuit for power supp Demand controlled preregulating rectifier circuit for power supp

1977-03-21

1978-10-03

Shoop, William M.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323 22SC, 363128, 307252N, H02M 7155

Patent

active

041187687

ABSTRACT:
A rectifier and preregulator circuit using a first silicon controlled rectifier (SCR) to rectify AC voltage and apply the rectified voltage across a capacitor which is used as a storage device. The circuit also includes a transistor, zener diode and a second (SCR) in a switching arrangement for turning on the first SCR and for turning off the transistor and zener diode when a minimum voltage is reached so as to minimize dissipation of electrical power in the circuit. A second zener diode and a third SCR are used in a switching arrangement to control the maximum rectified voltage from the circuit.

REFERENCES:
patent: 3230443 (1966-01-01), Hallidy
patent: 3235787 (1966-02-01), Gordon et al.
patent: 3311787 (1967-03-01), Gunderman
patent: 3418554 (1968-12-01), Legatti
patent: 3663943 (1972-05-01), Nakajima et al.
patent: 3711763 (1973-01-01), Peterson
patent: 3786339 (1974-01-01), Milovancevic
patent: 3819986 (1974-06-01), Fukuoka

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