Arcing fault detector

Details Arcing fault detector Arcing fault detector

1982-04-29

1987-04-14

Pellinen, A. D.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Transformer protection

361106, 340626, H02H 504

Patent

active

046583220

ABSTRACT:
An arcing fault detector used the thermodynamic conditions created by an arcing fault within a vented electrical equipment enclosure to quickly activate a protective device which causes tripping of the supply circuit breaker(s). A plurality of temperature sensors are located within the enclosure near the top, and a differential pressure sensor is located in the external wall of the enclosure approximately midway between the vents to compare internal and external pressure. The intelligence from the sensors is processed by a fault protector which controls the tripping of the circuit breaker(s).

REFERENCES:
patent: 2553291 (1951-05-01), Barr
patent: 3445726 (1969-05-01), Allen
patent: 3855503 (1974-12-01), Ristuccia
patent: 4067052 (1978-01-01), Neuhoff
patent: 4223364 (1980-09-01), Sangster
Salvatone F. Cannova, IEEE Transactions on Industry Applications, Vo. IA-9, o. 5, Sep./Oct. 1973, pp. 553-538, "Short-Time Voltage Transients in Shipboard Electrical Systems".

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