并列運(yùn)行的兩臺(tái)自動(dòng)跟蹤消弧線圈對(duì)地電容電流計(jì)算公式的改進(jìn)

分析了主流的調(diào)匝式和可控硅調(diào)諧式自動(dòng)跟蹤類型消弧線圈測(cè)量系統(tǒng)電容電流的原理,結(jié)合同一配電網(wǎng)兩臺(tái)自動(dòng)跟蹤消弧線圈運(yùn)行時(shí)電網(wǎng)等效電路模型的理論推導(dǎo),提出了在不同情況下裝置測(cè)量電網(wǎng)對(duì)地容抗的修正計(jì)算公式,在兩臺(tái)自動(dòng)調(diào)諧消弧線圈運(yùn)行于同一配電網(wǎng)情況下,推薦兩臺(tái)消弧線圈的選型方案.
關(guān)鍵詞: 消弧線圈; 電網(wǎng); 電容電流計(jì)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