Voltage limiting control system for heat emitting loads

Details Voltage limiting control system for heat emitting loads Voltage limiting control system for heat emitting loads

1987-05-29

1988-08-23

Salce, Patrick R.

Electricity: power supply or regulation systems

Output level responsive

Phase controlled switching using electronic tube or a three...

323239, 323244, G05F 140

Patent

active

047663634

ABSTRACT:
Power from an AC source is applied to a load under control of a power switching triac in response to signals from a feedback loop isolated from line voltage transients by means of a pair of opto-coupling devices respectively connecting the feedback loop to a load voltage sensor and the control electrode of the triac.

REFERENCES:
patent: 3414798 (1968-12-01), Nielsen
patent: 3599082 (1971-08-01), Besier
patent: 3646439 (1972-02-01), Broski
patent: 4360783 (1982-11-01), Nagasawa et al.
patent: 4379254 (1983-04-01), Hurban
patent: 4688161 (1987-08-01), Covington

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