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

1985-11-05

Krass, Errol A.

Boots, shoes, and leggings

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

Patent

active

045518114

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, a ground resistance is calculated using the sum of the absolute values of both the detected voltages, while a grounding position of a field winding is calculated using the relative sum, the calculated results being displayed, whereby the existence of grounding can be correctly detected regardless of the grounding position, and the grounding position of the field winding can be correctly known.

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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