Method for triggering a controlled rectifier and for keeping it

Details Method for triggering a controlled rectifier and for keeping it Method for triggering a controlled rectifier and for keeping it

1975-04-02

1977-06-28

Shoop, William M.

Electric power conversion systems

Current conversion

Using semiconductor-type converter

307252R, 307260, 328156, H02M 748

Patent

active

040328341

ABSTRACT:
A method of triggering a controlled rectifier to ensure that it conducts fully and remains conducting for a required time, comprising supplying to the control electrode of the rectifier a large amplitude pulse with high transductance per unit of time to initiate conducting, and a small amplitude signal to maintain conducting. A circuit for producing such a pulse and signal comprises a pulse generator and a blocking oscillator both controlled by a control generator.

REFERENCES:
patent: 3646578 (1972-02-01), Gregory
patent: 3681677 (1972-08-01), Badal

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