Apparatus protecting a synchronous machine from under excitation

Details Apparatus protecting a synchronous machine from under excitation Apparatus protecting a synchronous machine from under excitation

1991-12-31

1993-11-23

Peckman, Kristine L.

Electricity: single generator systems

Automatic control of generator or driving means

Plural conditions

322 28, 322 99, H02P 914

Patent

active

052647781

ABSTRACT:
Apparatus for protecting a synchronous generator from under-excitation, includes a limiter implemented as part of a microprocessor based voltage regulator. The limiter selectively characterizes one or more limiting parameters, such as, system stability, machine capability and loss of field protection, as straight line segments in the real/reactive power plane to provide versatile, easily modified limits on excitation.

REFERENCES:
patent: 4245182 (1981-01-01), Aotsu et al.

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