Service interruption minimizing system for power distribution li

Details Service interruption minimizing system for power distribution li Service interruption minimizing system for power distribution li

1994-02-28

1996-11-12

DeBoer, Todd

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 68, 361 69, H02H 726

Patent

active

055746110

ABSTRACT:
Upon the occurrence of a fault on the first distribution line, a faulty section on the distribution line is pinpointed, then a tie point switchgear at the tie point between the first distribution line in which the fault occurred and the other normal second distribution line is closed to form a loop distribution system. Then, a switchgear adjacent to the fault point on the first distribution line is opened. An opposing switchgear adjacent to the fault point is opened on the condition that the fault occurrence continues after having been linked to the second distribution line. The above procedures are executed before the opening of the circuit breaker installed on the distribution bus bar.

REFERENCES:
patent: 4476511 (1984-10-01), Saleeta et al.
patent: 4760488 (1988-07-01), Kishimoto
patent: 5305174 (1994-04-01), Morita et al.
"Distribution Line Technical Manual", Ohm K.K., Nov. 3, 1991, pp. 464-465.

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