H - Electricity – 02 – H
Patent
H - Electricity
02
H
H02H 7/00 (2006.01) G01R 27/00 (2006.01) H02H 3/40 (2006.01) H02H 7/26 (2006.01) H02J 3/00 (2006.01) H02H 1/04 (2006.01) H02H 7/18 (2006.01)
Patent
CA 2323009
A computer-implemented protection system is used in a multi-phase electrical distribution network. The system includes a sensor operable to measure an impedance of a device connected to a phase of the distribution network. The device improves coupling of electrical potential from a source to a load. The system also includes a processor connected to the sensor and programmed to receive an impedance measurement from the sensor. The processor automatically calculates a variation in impedance of the device, the variation being based on a ratio of the impedance measurement and a previous impedance measurement. The processor automatically performs a protection analysis of the device based on the impedance variation.
Mcgraw Edison Company
Smart & Biggar
LandOfFree
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