Electrical coupling arrangements

Details Electrical coupling arrangements Electrical coupling arrangements

1976-12-03

1978-05-30

Goldberg, Gerald

Electricity: power supply or regulation systems

Remote sensing

323 50, 323 88, 336170, 336182, H01F 3900

Patent

active

040925820

ABSTRACT:
An electrical coupling arrangement suitable for connecting protective relays to the primary current transducers in an alternating current power transmission system, comprising three winding arrangements flux linked so that an a.c. input current applied to one winding arrangement provides an a.c. output voltage substantially free of d.c. transients at a second winding arrangement, the third winding arrangement including a resistance which is variable and whose value determines the phase relationship between the output voltage and the input current.

REFERENCES:
patent: 1875156 (1932-08-01), Roberts
patent: 2258147 (1941-10-01), Roberts
patent: 2598617 (1952-05-01), Stimler
patent: 2686291 (1954-08-01), Macklem
patent: 3748570 (1973-07-01), Martner

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