H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 3/04 (2006.01) H02H 9/02 (2006.01)
Patent
CA 2340397
The invention relates to an electrical monitor circuit in which star points of taps on a first and a second side of a three-phase current limiting device are voltage compared. Possible applications are combinations with electrical switches, especially for power supplying and protecting circuits for electrical motors.
L'invention concerne un circuit de surveillance électrique dans lequel des points neutres de prises sont soumis à une comparaison de tension sur un premier et un second côté d'un dispositif limitateur de courant à trois phases. Des applications possibles de la présente invention sont des combinaisons d'interrupteurs électriques, en particulier, ceux servant à alimenter en énergie et à protéger des circuits de moteurs électriques.
Jokiniemi Timo
Rajala Erkki
Struempler Ralf
Abb Research Ltd.
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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