System and method for opening/closing circuit breakers

Details System and method for opening/closing circuit breakers System and method for opening/closing circuit breakers

1995-07-05

1997-05-06

Shoop, Jr., William M.

Electrical transmission or interconnection systems

Switching systems

Condition responsive

307117, 307127, 307131, 361 3, 361 5, 361 7, 361139, 361152, 361187, H01H 900

Patent

active

056274157

ABSTRACT:
The first zero crossing of the power signal, after the detection of an opening/closing signal, initiates a series of predetermined, timed, steps which reduces or eliminates the overvoltage after opening/closing a circuit breaker on a high power line.

REFERENCES:
Article "Field Tests of a Circuit Breaker Synchronous Control" 95 WM 011-7 PWRD presented at IEEE/PES Winter Meeting, Feb. 2, 1995, in New York - Raymond J. Rajotte et al, pp. 1-9.

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