H - Electricity – 01 – H
Patent
H - Electricity
01
H
H01H 83/02 (2006.01) H02H 1/04 (2006.01) H02H 3/33 (2006.01) H02H 9/00 (2006.01)
Patent
CA 2141263
A ground fault interruption circuit has a detector circuit coupled to an electrical distribution circuit load to detect ground fault conditions in the load. A filtering circuit connected between the detector circuit and distribution network comprises a pi-network filter for attenuating common-mode electromagnetic interference and differential-mode electromagnetic interference. The pi-network filter includes three filter portions which together provide a third order filter to attenuate the interference signals at the frequencies of interest.
Johnson Elton C.
Taylor Harold Louis
Siemens Industry Inc.
Smart & Biggar
LandOfFree
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