CAJ | 학술논문

在常规变电站中可以通过专用相量表来测二次回路中电压、电流的正确性，而在智能变电站中二次回路网络化、采样信息数字化，如何测量相量并保证数据的可靠性与正确性？文章通过对手持式数字万用表的功能开发，制定了一套相量测试的方案，并对方案的可靠性与安全性进行了论证。
재상규변전참중가이통과전용상량표래측이차회로중전압、전류적정학성，이재지능변전참중이차회로망락화、채양신식수자화，여하측량상량병보증수거적가고성여정학성？문장통과대수지식수자만용표적공능개발，제정료일투상량측시적방안，병대방안적가고성여안전성진행료론증。
Conventional substation can test the correctness of the secondary voltage and current by special phasor instrument , but in the intelligent substation , secondary loop network , digital sampling informa-tion, how to measure the phasor and ensure the reliability and accuracy of the data?This article through the development of handheld digital multimeter functions , formulates a phasor test scheme , and verifies the reliability and security of the scheme .