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无功补偿电容器电容量的不拆头测量 被引量:1

Measurement of Capacitance for Reactive Power Compensation Device Without Disconnection
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摘要 本文对电力系统中常用的不同主接线的无功补偿电容器组进行了描述,对两种主接线的不拆头电容量测试方案的适用性进行了讨论,通过理论分析和对不拆头电容量测试仪的工作原理模拟探讨,说明了运用不拆头电容量测试仪应根据不同的接线方式采取相应措施方能得到正确试验数据。最后通过一个实际测试案例证明,对于串联电抗器接于中性点侧的接线方式,如果不改变主接线方式,则应将电容器组的接地刀闸措施为分位,方能进行各相电容量的正确测试。 In this paper,the reactive power compensation capacitor bank,which is commonly used and has different primary connection,is described,the applicability of capacitance measurement of two kinds of primary connection without disconnection is discussed.It is shown through theoretical analysis and simulation discussion on the working principle of the testing device of capacitance without disconnection that correct test data can be obtained by the use of capacitance testing device without disconnection in accordance with different wiring connection and corresponding measures.Finally,it is proved by the actual test that for the wiring connection where series capacitor is connected to the side of neutral point,if primary connection mode remains unchanged,correct capacitance measurement of each phase cannot be made until the earthing switch opens.
出处 《电力电容器与无功补偿》 2012年第5期59-63,共5页 Power Capacitor & Reactive Power Compensation
关键词 电容器 电气试验 电容量测试 无功补偿 串联电抗器 capacitor electrical test capacitance measurement reactive power compensation series reactor
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