Control system for an externally controlled converter

Details Control system for an externally controlled converter Control system for an externally controlled converter

1973-07-23

1976-01-13

Heyman, John S.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

307254, 307252UA, H03K 1700

Patent

active

039327663

ABSTRACT:
An improved control system for providing firing pulses to an externally controlled converter in which the firing pulses are formed by comparing a comparison voltage which is proportional to the voltage time area of the synchronizing voltage with a variable DC control voltage to thereby decrease the sensitivity of the control system to frequency changes, harmonics on the line voltage and commutation interference.

REFERENCES:
patent: 3363143 (1968-01-01), Cavanaugh
patent: 3365654 (1968-01-01), Johnston
patent: 3419784 (1968-12-01), Winn
patent: 3506852 (1970-04-01), Hart
patent: 3764890 (1973-10-01), Caen

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