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Study on integrated voltage adjustment based on super short time load forecast in substation
Pages: 49-51,64
Year: Issue:  11
Journal: RELAY

Keyword:  超短期负荷预测电压调整变电站;
Abstract: 针对变电站电压和无功控制中补偿电容器和变压器分接头的"投切振荡"问题,为了避免不必要的延时等待,提高无功补偿控制的针对性,提出将超短期负荷预测引入变电站电压无功实时控制,通过超短期负荷预测,掌握负荷变化和波动情况,在满足电压和功率因数合格的前提下,充分利用变压器的过载能力,尽量减少电容器投切次数和不必要的调整,从而提升变电站电压无功控制的性能,并可延长主变分接头和电容器开关的寿命.仿真算例验证了该方法的可行性和优越性.
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