Zero-crossover SCR power supply regulator

Details Zero-crossover SCR power supply regulator Zero-crossover SCR power supply regulator

1987-04-20

1988-12-13

Salce, Patrick R.

Electric power conversion systems

Current conversion

With condition responsive means to control the output...

323235, 323246, 363 87, 363129, H02M 7162

Patent

active

047915455

ABSTRACT:
A circuit for regulating the output of a DC power supply that substantially eliminates turn-on transients induced by the switching of a silicon-controlled rectifier (SCR). A zero-crossover detector senses the AC voltage waveform of an applied power source and provides a trigger signal at the zero-crossing point. The trigger signal is applied to cause induction of the SCR's and raise the output voltage when the power supply output drops below a regulated value, and is interrupted so as to inhibit conduction of the SCR's and decrease the output voltage when the power supply output exceeds the regulated value.

REFERENCES:
patent: 3825812 (1974-07-01), De Buhr
patent: 4053945 (1977-10-01), Dumas
patent: 4329595 (1982-05-01), Watson
patent: 4455598 (1984-06-01), Andre
patent: 4490780 (1984-12-01), Nondahl
patent: 4523267 (1985-06-01), Mehl

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