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Performance Evaluation of energy meters Under Nonlinear Loads

Journal of Shanghai Jiaotong university(Science) 2017年第2期22卷 133-138页

作者： GUL Mehr 邰能灵 MAHAR Mukhtiar Ahmed 黄文焘 LARIK Abdul Sattar Department of Electrical Engineering Shanghai Jiao Tong University Department of Electrical Engineering Balochistan University of Information Technology Engineering and Management Sciences (BUITEMS) Department of Electrical Engineering Mehran University of Engineering & Technology

Due to rapid advancements in power electronics, the utilization of electronically switched loads and nonlinear loads is increasing gradually in the electrical power system. These loads create problems of measuring instruments, when connected to the power distribution systems. In this paper, an experimental investigation has been carried out to analyze the performance of single-phase watt-hour (induction and electronic types) energy meters that are being used in Pakistan. The accuracy of the energy meters has been tested under different household nonlinear loads, at various power factors and also at different supply voltage levels. Power factor and total harmonic distortion (THD) of different household loads are also recorded in the experimental work. A hardware based experimental setup has been designed to perform the experimental work. The experimental results have been compared to Water and Power Development Authority (WAPDA) standards for energy meters. © 2017, Shanghai Jiaotong University and Springer-Verlag Berlin Heidelberg.

关键词： energy meter accuracy nonlinear loads experimental investigation harmonic distortion power factor

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