CAJ | 학술논문

提出以微型电流互感器检测耦合电容器电流,再将电流信号传输至控制室,转换为与一次电压成正比变化的二次信号的方法构成中高压电子式电压互感器的技术方案.详细论述了新型中高压电子式电压互感器的传感原理及结构,并对耦合电容器、微型电流互感器、功率放大器等关键技术进行了讨论.对所研制的新型中高压电子式电压互感器进行了精度试验、二次短路试验,试验结果表明新型电子式电压互感器性能良好.
제출이미형전류호감기검측우합전용기전류,재장전류신호전수지공제실,전환위여일차전압성정비변화적이차신호적방법구성중고압전자식전압호감기적기술방안.상세논술료신형중고압전자식전압호감기적전감원리급결구,병대우합전용기、미형전류호감기、공솔방대기등관건기술진행료토론.대소연제적신형중고압전자식전압호감기진행료정도시험、이차단로시험,시험결과표명신형전자식전압호감기성능량호.
A technical scheme is proposed for MV & HV voltage transformer,which uses micro current transformer to detect the current of coupling capacitor and converts the current signal into voltage signal proportionally in control room.The principle and structure of new-type electronic MV & HV voltage transformer are introduced and the key technologies,such as coupling capacitor,micro current transformer and power amplifier,are analyzed.High voltage precision test and secondary short-circuit test are conducted,which show its better performance.