分析了主流的调匝式和可控硅调谐式自动跟踪类型消弧线圈测量系统电容电流的原理,结合同一配电网两台自动跟踪消弧线圈运行时电网等效电路模型的理论推导,提出了在不同情况下装置测量电网对地容抗的修正计算公式,在两台自动调谐消弧线圈运行于同一配电网情况下,推荐两台消弧线圈的选型方案.
关键词: 消弧线圈; 电网; 电容电流计算公式
Abstract: The paper analyzes the measurement fundamental of two types of arc supp ression coils,combining p rincipal understanding in electrocircuit model of operation in the same power system.Then, the advanced formula formeasuring the grounding current of these two types of arc eliminating coils in different condition is suggested, and the p recep ts are p rovided to be chosen when two arc supp ression coils operate in the same power system.
Key words: arcˉe liminating coil; power system; formula of capacitive current
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