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106 / 2021-10-25 10:50:27
Effects of Load on CVT Transient Response
Capacitive Voltage Transformer (CVT),Scattering Parameter,Transient Overvoltage,Load Influence
High voltage and insulation technology > High voltage testing and measurement
Final Paper
Fei Pan / State Grid Sichuan Electric Power Research Institute
Zhou Mu / State Grid Sichuan Electric Power Research Institute
Tongtong Wang / Shandong Taikai Instrument Transformer Co., Ltd.
Bo Jiang / Metering Center of State Grid Sichuan Electric Power Company
Guosong Lin / School of Electical Engineering, Southwest Jiaotong University
In this paper, the influence of load on the transient characteristics of capacitive voltage transformer is studied. The CVT secondary side generally has four windings, and the different loads of each winding on the secondary side will directly cause the CVT measurement error. Under the same transient overvoltage condition of the CVT input, the influence of different loads on the secondary output waveform of the CVT is measured, and a network analyzer is used to measure the scattering parameters in each case and convert it into a transfer function to analyze the results. The results show that at frequencies under 9kHz-50kHz, the measured waveform of the secondary side decreases with the increase of the load, and the change of cosφ=1 is more obvious than the change of  cosφ=0.8. At the same time, the transfer function obtained by the measurement and calculation also decreases with the increase of the load.

 
Important Date

  • Conference Date

    Jul 11

    2023

    to

    Aug 18

    2023

  • Nov 10 2021

    Draft paper submission deadline

  • Dec 10 2021

    Registration deadline

  • Dec 11 2021

    Contribution Submission Deadline

Sponsored By
IEEE IAS
Organized By
IEEE IAS Student Chapter of Southwest Jiaotong University (SWJTU)
IEEE IAS Student Chapter of Huazhong University of Science and Technology (HUST)
IEEE PELS (Power Electronics Society) Student Chapter of HUST
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