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Method to Evaluate the Resistance–Capacitance Voltage Divider and Uncertainty Analysis

Author

Listed:
  • Yi Luo

    (Institute of Metrology Technology, Electric Power Research Institute, CSG, Guangzhou 510663, China
    Guangdong Provincial Key Laboratory of Intelligent Measurement and Advanced Metering of Power Grid, Guangzhou 510663, China)

  • Bin Guo

    (Guangzhou Power Supply Bureau, Guangzhou Power Grid Co., Ltd., Guangzhou 510730, China)

  • Bin Qian

    (Institute of Metrology Technology, Electric Power Research Institute, CSG, Guangzhou 510663, China
    Guangdong Provincial Key Laboratory of Intelligent Measurement and Advanced Metering of Power Grid, Guangzhou 510663, China)

  • Lijuan Xu

    (Guangzhou Power Supply Bureau, Guangzhou Power Grid Co., Ltd., Guangzhou 510730, China)

  • Fan Zhang

    (Institute of Metrology Technology, Electric Power Research Institute, CSG, Guangzhou 510663, China
    Guangdong Provincial Key Laboratory of Intelligent Measurement and Advanced Metering of Power Grid, Guangzhou 510663, China)

  • Fusheng Li

    (Institute of Metrology Technology, Electric Power Research Institute, CSG, Guangzhou 510663, China
    Guangdong Provincial Key Laboratory of Intelligent Measurement and Advanced Metering of Power Grid, Guangzhou 510663, China)

  • Xingxing Feng

    (Guangzhou Power Supply Bureau, Guangzhou Power Grid Co., Ltd., Guangzhou 510730, China)

Abstract

The resistance and capacitance parameters of a resistance–capacitance divider may change due to factors such as long-term operation, internal insulation flashover, and dielectric breakdown, which will affect the measurement characteristics of the resistance–capacitance divider. Since it is difficult to separate the voltage divider, and because improper disassembly will damage the insulation of the equipment, measuring the resistance and capacitance parameters of a voltage divider non-destructively has always been a problem. In this paper, an indirect method for evaluating the resistance and capacitance parameters is proposed, and the uncertainty of measurement of this method is determined. Simulation and actual test results show that this method can be used to estimate the resistance–capacitance parameters and has a good level of measurement accuracy. Besides, through the uncertainty analysis, it is concluded that the proposed method can overcome measurement errors within a certain range and has high practicability. Finally, a very practical application scenario of the proposed method is given, showing that the proposed method has good economic significance.

Suggested Citation

  • Yi Luo & Bin Guo & Bin Qian & Lijuan Xu & Fan Zhang & Fusheng Li & Xingxing Feng, 2021. "Method to Evaluate the Resistance–Capacitance Voltage Divider and Uncertainty Analysis," Energies, MDPI, vol. 14(22), pages 1-12, November.
    • Handle: RePEc:gam:jeners:v:14:y:2021:i:22:p:7744-:d:682267
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    References listed on IDEAS

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    1. Zhengyun Fang & Yi Luo & Shaolei Zhai & Bin Qian & Yaohua Liao & Lei Lan & Dianlang Wang, 2021. "Temperature Rise Characteristics and Error Analysis of a DC Voltage Divider," Energies, MDPI, vol. 14(7), pages 1-12, March.
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