Transformer substation reactive voltage control method and system
A voltage control method and substation technology, applied in reactive power compensation, AC network voltage adjustment, reactive power adjustment/elimination/compensation, etc., can solve the problem of inability to control reactive power and voltage of power grid substations, reduce system voltage quality and reactive power balance , system overcompensation and other issues
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[0046] The present invention will be described in detail below in conjunction with the accompanying drawings.
[0047]A substation reactive voltage control method proposed by the present invention, its implementation process can refer to figure 1 , including: a processing process at the substation dynamic reactive power compensation system (VQC), specifically including steps S1 to S105; and a processing process at the reactive voltage area control system (AVC) end, specifically including steps S2 to S204;
[0048] S1. At the substation dynamic reactive power compensation system end, obtain the substation voltage and substation reactive power in real time; and upload the reactor reactive power to the reactive voltage area control system;
[0049] S101. When the substation voltage is less than the preset voltage upper limit and greater than the preset voltage lower limit, and the reactive power of the substation is a positive value, increase the firing angle of the reactor;
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