LOW VOLTAGE APPARATUS ›› 2022, Vol. 0 ›› Issue (8): 57-60.doi: 10.16628/j.cnki.2095-8188.2022.08.010

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Analysis on Stealing and Error Power Energy of Typical Sampling Circuit of Watt-Hour Meter

GUO Jiao, YUAN Ruiming, WANG Chen, LI Wenwen, JU HanJi   

  1. State Grid Jibei Electric Power Co.,Ltd.,Marketing Service Center (Capital Intensive Center,Metering Center),Beijing 102208,China
  • Received:2022-01-29 Online:2022-08-30 Published:2022-10-11

Abstract:

Stealing power energy not only affects the economic benefits of users and electric power enterprises,but also affects the normal operation and high-quality service of the power grid.In order to solve this problem,the basic error test of the watt-hour meter is made by analyzing the working principle of a typical sampling circuit of the watt-hour meter,deducing the calculation formula of the power energy under the condition of stealing power energy and calculating the error power energy.Compared with the accumulated power energy,the theoretical data are consistent with the experimental data,which can be used to calculate the error power energy accurately and rapidly.

Key words: stealing power energy, sampling circuit, error power energy, fundamental error

CLC Number: