H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 3/00 (2006.01) H02H 1/00 (2006.01) H02H 3/05 (2006.01) H02H 7/26 (2006.01)
Patent
CA 2298610
A redundant communications scheme for a protective relay (12) which allows high speed, reliable, fault tolerant communications betwen peer protective devices in a power distribution network. Communication over a selectable primary communication channel (14a) are interrupted and switched to a secondary communication channel (14b), which can operate according to a different communication protocol, when a fault is detected on the primary communication channel. The fault detection and switching is performed transparently to the main protective relay processor (16).
L'invention concerne un mécanisme de communications redondantes pour un relais de protection (12), permettant des communications haute vitesse, insensibles aux dérangements, et fiables, entre des dispositifs de protection homologues, dans un réseau de distribution d'alimentation électrique. Les communications sur une voie de communication primaire (14a) sont interrompues, et commutées vers une voie de communication secondaire (14b), qui peut fonctionner selon un protocole différent, lorsqu'un dérangement est détecté sur la voie de communication primaire. La détection d'un dérangement et la commutation s'effectuent de manière transparente, vers le processeur principal (16) de relais de protection.
Company General Electric
Craig Wilson And Company
LandOfFree
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