Performance evaluation of energy meters under nonlinear loads

  • Mehr Gul
  • Nengling Tai (邰能灵)
  • Mukhtiar Ahmed Mahar
  • Wentao Huang (黄文焘)
  • Abdul Sattar Larik


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.

Key words

energy meter accuracy nonlinear loads experimental investigation harmonic distortion power factor 

CLC number

TM 993.4 

Document code


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Copyright information

© Shanghai Jiaotong University and Springer-Verlag Berlin Heidelberg 2017

Authors and Affiliations

  • Mehr Gul
    • 1
    • 2
  • Nengling Tai (邰能灵)
    • 1
  • Mukhtiar Ahmed Mahar
    • 3
  • Wentao Huang (黄文焘)
    • 1
  • Abdul Sattar Larik
    • 3
  1. 1.Department of Electrical EngineeringShanghai Jiao Tong UniversityShanghaiChina
  2. 2.Department of Electrical Engineering, Balochistan University of Information TechnologyEngineering and Management Sciences (BUITEMS), QuettaBalochistanPakistan
  3. 3.Department of Electrical EngineeringMehran University of Engineering & Technology, JamshoroSindhPakistan

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