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可控高抗分相抑制过电压和潜供电流的暂态控制方法和策略

DOI: 10.13334/j.0258-8013.pcsee.2014.19.019, PP. 3187-3193

Keywords: 可控高抗,潜供电流,过电压,中性点电抗

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Abstract:

提出在超/特高压长输电线三相不平衡、单相接地和非全相运行等不对称情况下,采用可控高抗分相投切的控制策略来抑制非故障相过电压,改进了传统的全相调节方式,提高了电压稳定性和控制灵活度。为降低超/特高压线路潜供电流大小,改善单相重合闸条件,提出可控高抗分相调节下中性点电抗的联动控制方法,实验对比了不同控制策略的调控效果、验证了方法的有效性。

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