Converter circuits using a silicon controlled rectifier

Details Converter circuits using a silicon controlled rectifier Converter circuits using a silicon controlled rectifier

1994-06-16

1996-07-23

Wong, Peter S.

Electric power conversion systems

Current conversion

Including d.c.-a.c.-d.c. converter

363 28, 363 40, 363135, H02M 3315

Patent

active

055396313

ABSTRACT:
A voltage converter circuit uses a silicon-controlled rectifier for converting input voltage to selected levels of output voltage. The silicon-controlled rectifier is connected in a circuit including a capacitor which oscillates between charging and discharging to produce a resulting waveform that is applied to a transformer for developing high positive and negative output voltages. Pulses are produced which are asynchronous with alternating line signal. Since the silicon-controlled rectifier operates on DC voltages, an electrolytic capacitor of high capacitance values can be connected between the silicon-controlled rectifier and AC or DC supply lines to substantially reduce noise signals conducted back into the supply line.

REFERENCES:
patent: 4777576 (1988-10-01), Buikema
patent: 5280455 (1994-01-01), Kanaishi

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