Programmable overvoltage protector

Details Programmable overvoltage protector Programmable overvoltage protector

1977-12-28

1980-03-11

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Load shunting by fault responsive means

361 55, 361 91, 361110, H02H 320

Patent

active

041931041

ABSTRACT:
Increased versatility in crowbar overvoltage protection for regulated power supplies is provided by a tracking circuit which allows setting the overvoltage limit at a predetermined increment above a programmable output voltage. In addition provision is made for programming up the crowbar protection circuit rapidly to anticipate the rise of voltage in the main power supply and for delaying the programming down of the protection circuit to allow the main power supply voltage to decay without triggering the protection circuit.

REFERENCES:
patent: 3449634 (1969-06-01), Han-Min-Hung
patent: 3594612 (1971-07-01), Gately
patent: 3790809 (1974-02-01), Kuster
patent: 3816809 (1974-06-01), Kuster
patent: 3949271 (1976-04-01), Nercessian

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