Programmable fault detecting relay for a transformer

Details Programmable fault detecting relay for a transformer Programmable fault detecting relay for a transformer

1977-10-14

1980-08-19

Salce, Patrick R.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transformer protection

361110, H02H 704

Patent

active

042187168

ABSTRACT:
A programmable fault detecting relay for fluid cooled electrical apparatus utilizes a pressure transducer to provide an electrical input to an electronic discriminating circuit. The circuit discriminates between through fault pressures and internal fault pressures and provides an output upon the occurrence of an internal pressure fault.

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patent: 3855503 (1974-12-01), Ristuccia
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patent: 4003370 (1977-01-01), Emil et al.
patent: 4028736 (1977-06-01), Willson et al.
patent: 4051467 (1977-09-01), Galvin

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