H - Electricity – 02 – H
Patent
H - Electricity
02
H
323/6
H02H 3/28 (2006.01)
Patent
CA 2036181
55,450 ABSTRACT OF THE DISCLOSURE A differential protection circuit includes a pair of current transformers each having a secondary winding and each being inductively coupled to a power conductor at a different location. The secondary windings of these transformers are electrically connected in series with each other in a loop in bucking arrangement. A resistor is connected in parallel with the secondary winding of each transformer. Control circuits are connected to sense a voltage signal appearing across the resistor and to take appropriate action when the sensed voltage reaches a predetermined level. An additional winding on one of the transformers provides isolation between the loop and one of the control circuits to prevent false tripping of the differential protection circuit.
Kessler Leland L.
Riches Mckenzie & Herbert Llp
Westinghouse Electric Corporation
LandOfFree
Differential current protection circuits does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Differential current protection circuits, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Differential current protection circuits will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-1779052