Study on Correction Method of Influence of CVT Dividing Capacitor on Harmonic Transfer Characteristics

XUE Feng; XIE Weilun; XIE Peicheng; WU Jieting; ZHU Tiechao

doi:10.14044/j.1674-1757.pcrpc.2020.01.022

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Study on Correction Method of Influence of CVT Dividing Capacitor on Harmonic Transfer Characteristics

更新时间：2024-09-14

- Study on Correction Method of Influence of CVT Dividing Capacitor on Harmonic Transfer Characteristics
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 41, Issue 1, Pages: 129-134(2020)
- 作者机构：
  
  广东电网有限责任公司东莞供电局
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2020.01.022
  CLC： TM451
- Published：2020，
- 稿件说明：
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[1]薛峰,谢伟伦,谢培成,吴洁婷,朱铁超.CVT分压电容对谐波传变特性影响修正方法研究[J].电力电容器与无功补偿,2020,41(01):129-134.

XUE FENG, XIE WEILUN, XIE PEICHENG, et al. Study on Correction Method of Influence of CVT Dividing Capacitor on Harmonic Transfer Characteristics. [J]. Power capacitor & reactive power compensation, 2020, 41(1): 129-134.
[1]薛峰,谢伟伦,谢培成,吴洁婷,朱铁超.CVT分压电容对谐波传变特性影响修正方法研究[J].电力电容器与无功补偿,2020,41(01):129-134. DOI： 10.14044/j.1674-1757.pcrpc.2020.01.022.

XUE FENG, XIE WEILUN, XIE PEICHENG, et al. Study on Correction Method of Influence of CVT Dividing Capacitor on Harmonic Transfer Characteristics. [J]. Power capacitor & reactive power compensation, 2020, 41(1): 129-134. DOI： 10.14044/j.1674-1757.pcrpc.2020.01.022.

摘要

针对电容式电压互感器（CVT）不同分压电容值组合配置在电压测量中对谐波电压传变的影响

本文利用等效电路分析的方法

在对分压电容的差异对谐波传递特性影响分析的基础上

提出了一种通过离线仿真结合双线性插值法消除分压电容的离散性对各次谐波测量结果影响的校正方法

并通过对实际现场采集数据的分析计算验证了方法的有效性

该方法对于基于CVT的谐波校正装置的开发具有重大的实际应用价值。

Abstract

In view of the intluence of ditterent capacitance combination contiguration of capacitor voltage transformer（CVT） on the voltage transmission in the voltage measurement

in this paper

the equivalent circuit analysis method is used and

on the basis of analysis of the influence of dividing capacitance difference on harmonic transmission characteristic

a kind of correction method with off-line simulation combined with bilinear interpolation method is proposed to eliminate the influence of the scattered dividing capacitance on each harmonic measurement result is proposed.The effectiveness of the method is verified by the analysis and calculation of the collected data at site

which has remarkable significance on the development of harmonic correction device based on CVT.

关键词

电容式电压互感器分压电容谐波测量校正方法

Keywords

CVTdividing capacitanceharmonic measurementcorrection method

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Related Institution

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