Voltage-reactive power control method for regional power grid
A technology for voltage and reactive power control and regional power grids, applied in AC network voltage adjustment, reactive power compensation, reactive power adjustment/elimination/compensation, etc. Essentially improve the bus voltage and the pass power factor of the pass level, etc., to achieve the effect of extending the service life, excavating the reactive power regulation ability, and reducing the number of actions throughout the day
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[0043] Example
[0044] In order to ensure the quality of the grid voltage and improve the voltage qualification rate, the bus voltage control bandwidth is compressed in the AVC control, that is, the control is performed when the voltage is close to the assessment boundary, instead of waiting until the voltage exceeds the limit before starting the control, so that the bus voltage is relatively reliable. Run in the middle. In order to distinguish it from the voltage evaluation limit (including the upper limit of the voltage evaluation and the lower limit of the voltage evaluation), the compressed voltage limit is called the voltage control limit (including the upper limit of voltage control and the lower limit of voltage control).
[0045] The automatic voltage control AVC system control unit is defined as the minimum voltage reactive power control unit composed of parallel main transformers and related compensation equipment on each side. The automatic voltage control AVC system c...
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