Electricity: electrical systems and devices – Safety and protection of systems and devices – Feeder protection in distribution networks
Patent
1999-04-13
2000-12-12
Sherry, Michael J.
Electricity: electrical systems and devices
Safety and protection of systems and devices
Feeder protection in distribution networks
361 64, 361 67, 361 68, H02H 300
Patent
active
061606901
ABSTRACT:
A distribution control system that can isolate a fault section without fail, even if control of load break switches becomes impossible because of a communication error between a control center and a feeder terminal unit. If a communication error takes place between the control center and a particular feeder terminal unit, for example, feeder terminal units associated with the particular feeder terminal unit change the operation mode of their controlling load break switches from non-voltage unopened mode to non-voltage open mode.
REFERENCES:
patent: 5341268 (1994-08-01), Ishiguro et al.
patent: 5574611 (1996-11-01), Nishijima et al.
patent: 5940260 (1999-08-01), Gelbien et al.
patent: 6008971 (1999-12-01), Duba et al.
"Technical Specification", Taiwan Electric Power Public Corporation, Dec. 1994.
Matsumoto Tadashi
Mitani Mitsuru
Mitsubishi Denki & Kabushiki Kaisha
Sherry Michael J.
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