Electrical bus protection method & apparatus

Details Electrical bus protection method & apparatus Electrical bus protection method & apparatus

2007-04-03

2007-04-03

Jackson, Stephen W. (Department: 2836)

Electricity: electrical systems and devices

Safety and protection of systems and devices

With specific circuit breaker or control structure

C361S062000

Reexamination Certificate

active

10607737

ABSTRACT:
A protection relay for a power line system that employs current transformers for detecting current on a bus is provided with a fault trip scheme that includes transformer current saturation detection so as to avoid false tripping due to temporary transformer current saturation.

REFERENCES:
patent: 4623949 (1986-11-01), Salowe et al.
patent: 4751604 (1988-06-01), Wilkinson
patent: 4862308 (1989-08-01), Udren
patent: 6442010 (2002-08-01), Kasztenny et al.

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