DC-side Harmonic Voltage Measurement System of Ultra-high Voltage DC Transmission System

WANG Benjin; JIAO Yang; XU Si’en; WU Shipu; WU Wenliang; ZHANG Mingming

doi:10.13296/j.1001-1609.hva.2017.09.005

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DC-side Harmonic Voltage Measurement System of Ultra-high Voltage DC Transmission System

更新时间：2025-04-26

- DC-side Harmonic Voltage Measurement System of Ultra-high Voltage DC Transmission System
- High VoltageApparatus Vol. 53, Issue 9, Pages: 23-29(2017)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 华中科技大学电气与电子工程学院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2017.09.005
  CLC： TM933.2;TM721.1
- Published：2017
- 稿件说明：
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[1]汪本进,焦洋,徐思恩,吴士普,邬文亮,张明明.特高压直流输电直流侧谐波电压测量系统[J].高压电器,2017,53(09):23-29.

WANG Benjin, JIAO Yang, XU Si’en, et al. DC-side Harmonic Voltage Measurement System of Ultra-high Voltage DC Transmission System[J]. High voltageapparatus, 2017, 53(9): 23-29.
[1]汪本进,焦洋,徐思恩,吴士普,邬文亮,张明明.特高压直流输电直流侧谐波电压测量系统[J].高压电器,2017,53(09):23-29. DOI： 10.13296/j.1001-1609.hva.2017.09.005.

WANG Benjin, JIAO Yang, XU Si’en, et al. DC-side Harmonic Voltage Measurement System of Ultra-high Voltage DC Transmission System[J]. High voltageapparatus, 2017, 53(9): 23-29. DOI： 10.13296/j.1001-1609.hva.2017.09.005.

摘要

高压直流输电系统直流侧谐波电压的测量对于直流侧滤波器的设计和继电保护设备的配置具有重要意义。为此

文中以±1 100 kV直流输电系统为例

在分析其直流侧谐波电压的产生原因和谐波的特性的基础之上

研究了特高压直流输电系统直流侧谐波电压的测量方法

构建了一套直流侧谐波电压测量系统。同时

在实验室条件下

搭建了该测量系统的测试平台

对它的测量准确度和频率特性进行了验证

并研究了一套完整的数据处理算法。测试结果表明

配合该数据处理算法

直流侧谐波电压测量系统可以对50

200 Hz频率范围内的谐波进行准确测量

幅值误差低于0.5%

相位误差低于0.5°

并具有适应电网频率波动的能力。

Abstract

The measurement of the harmonic voltage on the DC side of an ultra-high voltage DC（UHVDC） transmission system is of significance for design of the DC-side filter and allocation of the relay protection equipment. In this study

taking a ±1 100 kV DC transmission system as an example

the generation and characteristics of the DC-side harmonic voltage were analyzed

and a harmonic voltage measurement scheme was proposed. Consequently

a DC-side harmonic voltage measurement system was built. Then

a test platform was built to assess the accuracy and the frequency response characteristic of the measurement system

and a data processing algorithm was developed. Test result shows that the measurement system

accompanying with the data processing algorithm

can measure the DC-side harmonic voltage in the range from 50 to 1 200 Hz with an amplitude error smaller than 0.5%% and a phase error smaller than 0.5 degree

and it adapts to the frequency fluctuation of power system.

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