Study on Parameters Identification of Harmonic Transfer Model of Capacitor Voltage Transformer

LIU Juncheng

doi:10.14044/j.1674-1757.pcrpc.2016.06.003

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Study on Parameters Identification of Harmonic Transfer Model of Capacitor Voltage Transformer

更新时间：2024-09-14

- Study on Parameters Identification of Harmonic Transfer Model of Capacitor Voltage Transformer
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 37, Issue 6, Pages: 12-16(2016)
- 作者机构：
  
  西安博宇电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2016.06.003
  CLC： TM935
- Published：2016，
- 稿件说明：
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[1]刘军成.CVT谐波传递模型参数辨识研究[J].电力电容器与无功补偿,2016,37(06):12-16.

LIU JUNCHENG. Study on Parameters Identification of Harmonic Transfer Model of Capacitor Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2016, 37(6): 12-16.
[1]刘军成.CVT谐波传递模型参数辨识研究[J].电力电容器与无功补偿,2016,37(06):12-16. DOI： 10.14044/j.1674-1757.pcrpc.2016.06.003.

LIU JUNCHENG. Study on Parameters Identification of Harmonic Transfer Model of Capacitor Voltage Transformer. [J]. Power capacitor & reactive power compensation, 2016, 37(6): 12-16. DOI： 10.14044/j.1674-1757.pcrpc.2016.06.003.

摘要

文章基于目前CVT（capacitor voltage transformer）无法正确传递谐波的现状

提出并实现了一种通过辨识CVT模型参数进而获取其频谱误差特征

应用该频谱误差特征修正实测谐波数据

还原真实的谐波干扰信号的方法;实测数据及辨识结果对比说明

该方法辨识结果准确

实践上可行

为通过CVT进行准确的谐波测量提供了可行的方法。

Abstract

Targeting to the fact that CVT（capacitor voltage transformer）can not transfer harmonics correctly

the paper presents a practical method to identify CVT harmonic model parameters for restoring the original signals imposed on primary side by correcting harmonic data measured on side of CVT output using CVT coefficient of RCF（ratio correction factor）ruled by CVT model parameters identified. The comparison between field measurement and aftereffect of correcting shows that the present method is feasible and the result is accurate as well.

关键词

电容式电压互感器（CVT）参数辨识电能质量谐波测量监测

Keywords

capacitor voltage transformer（CVT）parameter identificationpower qualityharmonicsmeasurementmonitor

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Related Institution

Zhenjiang Power Supply Company,Jiangsu Electric Power Company

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Central China Electric Power Dispatching and Control Sub-Center of State Grid

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North China Electric Power University

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