Switching apparatus for devices for alternating current parallel

Details Switching apparatus for devices for alternating current parallel Switching apparatus for devices for alternating current parallel

1982-09-22

1984-07-24

Goldberg, E. A.

Electricity: electrical systems and devices

Safety and protection of systems and devices

Feeder protection in distribution networks

361 65, 307 64, 307 86, 179170J, H02H 300, H02H 700, H02J 300, H02J 700

Patent

active

044620586

ABSTRACT:
A switching device is provided for alternating current parallel remote feed for the automatic disconnection of a faulty section and connection of a fault-free section of a remote feed field. The switching apparatus enables safe continued operation in case of a field fault. To this end, the switching apparatus contains switches for disconnecting the remote feed current paths and for connecting a d.c. voltage source to the section of the remote field facing away from the alternating voltage source. The switches are controllable by the direct current emitted by the d.c. voltage source and by the alternating currents flowing in the remote feed current paths.

REFERENCES:
patent: 3835334 (1974-09-01), Notteau
patent: 4362952 (1982-12-01), Ziegler
Siemens-Zeitschrift 45, 1971, Supplement Nachrichten-Ubertragungstechnik, p. 102.

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