Light load adjustment and air gap stabilization in voltage stato

Details Light load adjustment and air gap stabilization in voltage stato Light load adjustment and air gap stabilization in voltage stato

1986-12-22

1988-11-01

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Measuring, testing, or sensing electricity, per se

Eddy current rotor

324138, G01R 1102

Patent

active

047822864

ABSTRACT:
Non-magnetic metallic spacers are welded into the auxiliary air gaps of a voltage stator using welding passes arranged in a predetermined sequence. The presence of the spacers stabilizes the auxiliary air gap against change in light load adjustment. Sequences of welding passes are disclosed effective for holding inherent light load error at nominal values, or biasing it positively or negatively.

REFERENCES:
patent: 2699532 (1955-01-01), Bussing
patent: 2862183 (1958-11-01), Palmer
patent: 3849876 (1974-11-01), Graefnitz

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