FIELD: electrical engineering.
SUBSTANCE: invention relates to the field of electrical engineering, in particular to the synchronous generator excitation systems in the AC distribution network. Device is additionally equipped with a unit for correcting the generator output voltage setting and an adder. At that, generator output voltage setting correction unit comprises: second subtractor unit; unit for generating absolute deviation of reactive power from a given value; three-position regulator; first unit for generating a command "increase generator voltage setting"; second unit for generating a command "reduce generator voltage setting"; pulse-width modulator; integrator.
EFFECT: improvement of static stability of synchronous generator and improvement of its operation reliability.
1 cl, 4 dwg
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