Electronic protection circuit incorporating voltage divider sens

Details Electronic protection circuit incorporating voltage divider sens Electronic protection circuit incorporating voltage divider sens

1978-06-14

1980-07-15

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 91, H02H 320

Patent

active

042131642

ABSTRACT:
A protection circuit for producing one or more triggers in the presence of a monitored overvoltage condition employing a complex voltage divider network including slow-acting breakover semiconductor devices for sensing ac voltage overloads in either or both polarities thereof, and operating gated semiconductors by controlling the voltages applied to both the gates and the main terminals thereof, which, in turn, discharge capacitors for trigger production. Monitoring may be with respect to supply voltage, power supply output voltage or one or more independent voltages.

REFERENCES:
patent: 3214667 (1965-10-01), Foster et al.
patent: 3729652 (1973-04-01), St. Clair
patent: 3790856 (1974-02-01), Hutchinson
patent: 4135223 (1979-01-01), Holmes
"abc's of Zener Diodes," by Rufus Turner, pp. 26-29 and 50-53, 1974, Howard W. Sams & Co. Inc., Indianapolis, Ind.

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