Ground detection arrangement for an A.C. generator

Details Ground detection arrangement for an A.C. generator Ground detection arrangement for an A.C. generator

1982-08-04

1985-09-17

Krass, Errol A.

Boots, shoes, and leggings

324 51, 340648, 340650, 361 50, 364550, G06G 762, G08B 2100

Patent

active

045424683

ABSTRACT:
The present invention relates to a ground detection arrangement for an A.C. generator in which positive and negative D.C. voltages are alternately applied to the neutral point of an armature winding so as to detect voltages proportional to ground currents corresponding to the respective D.C. voltages, and the average of the sum of the absolute values of both the detected voltages is compared with a reference value thereby to detect the existence of grounding, whereby the existence of the grounding can be detected without being affected by the grounding position of a field winding.

REFERENCES:
patent: 3303410 (1967-02-01), Hoover et al.
patent: 3746979 (1973-07-01), Kildishev et al.
patent: 4000464 (1976-12-01), Nussel
patent: 4138706 (1979-02-01), Johnson et al.
patent: 4187525 (1980-02-01), Nagura et al.
patent: 4214311 (1980-07-01), Nakashima et al.

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