Wide Frequency Band Voltage Measurement for Real Transmission Line Test of Half-wave-length AC Power Transmission

LIU Weidong; HAN Bin; DING Dengwei; XIANG Zutao

doi:10.13296/j.1001-1609.hva.2018.07.014

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Wide Frequency Band Voltage Measurement for Real Transmission Line Test of Half-wave-length AC Power Transmission

更新时间：2025-04-26

- Wide Frequency Band Voltage Measurement for Real Transmission Line Test of Half-wave-length AC Power Transmission
- High VoltageApparatus Vol. 54, Issue 7, Pages: 119-122+130(2018)
- 作者机构：
  
  1. 清华大学电机工程与应用电子技术系电力系统及发电设备控制和仿真国家重点实验室
  2. 中国电力科学研究院有限公司
  3. 清华四川能源互联网研究院
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2018.07.014
  CLC： TM75
- Published：2018
- 稿件说明：
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[1]刘卫东,韩彬,丁登伟,项祖涛.半波长输电真型线路试验宽频带电压测量方法[J].高压电器,2018,54(07):119-122+130.

LIU Weidong, HAN Bin, DING Dengwei, et al. Wide Frequency Band Voltage Measurement for Real Transmission Line Test of Half-wave-length AC Power Transmission[J]. High voltageapparatus, 2018, 54(7): 119-122+130.
[1]刘卫东,韩彬,丁登伟,项祖涛.半波长输电真型线路试验宽频带电压测量方法[J].高压电器,2018,54(07):119-122+130. DOI： 10.13296/j.1001-1609.hva.2018.07.014.

LIU Weidong, HAN Bin, DING Dengwei, et al. Wide Frequency Band Voltage Measurement for Real Transmission Line Test of Half-wave-length AC Power Transmission[J]. High voltageapparatus, 2018, 54(7): 119-122+130. DOI： 10.13296/j.1001-1609.hva.2018.07.014.

摘要

半波长输电工程实施前开展真型线路试验

对半波长输电有关特性进行试验验证

以支撑工程实施十分必要。半波长交流输电真型线路试验时

需要进行输电线路不同位置的工频电压测量和操作暂态电压测量。为此

文中提出了基于电容式电压传感器的输电线路电压测量方法

将电容式电压传感器密封于SF6气体绝缘高压绝缘筒

可实现高电压和宽频带测量

且具有重量轻、便于运输和安装、满足户外运行等特点。对该测量方法的实验研究表明

在50 Hz

00 MHz频段范围内

分压比的变化小于5.7%。

Abstract

To support the engineering application of half-wave-length AC power transmission

real transmission linetest is necessary to verify the characteristics.In the test themeasurement of power frequency voltage and switchingtransient voltage in different middle points of the transmission line is required. It is proposed for this test a high volt-age measurement method in which a capacitive voltage sensor is used to realize wide frequency band voltage measure-ment and the sensor is sealed within a composite insulation sleeve filled with SF6 gas to realize high voltage insula-tion. This method has the advantages of wide frequency band of voltage measurement

comparatively low weight andsuitable for outdoor condition. The frequency respo

nse characteristic of the voltage measurement has been experimen-tally investigated

the change of the voltage divider ratio in the frequency range of 50 Hz

00 MHz is within 5.7%.

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