Development and Application Research of ±800 kV UHVDC Fiber Optical Current Transducer

LUO Sunan; CAO Dongming; WANG Yao; DING Ye; YAN Changling; XU Lei; SHI Qinmin

doi:10.13296/j.1001-1609.hva.2016.10.001

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Development and Application Research of ±800 kV UHVDC Fiber Optical Current Transducer

更新时间：2025-04-26

- Development and Application Research of ±800 kV UHVDC Fiber Optical Current Transducer
- High VoltageApparatus Vol. 52, Issue 10, Pages: 1-7(2016)
- 作者机构：
  
  南京南瑞继保电气有限公司
- 作者简介：
- 基金信息：
- DOI：10.13296/j.1001-1609.hva.2016.10.001
  CLC： TM452
- Published：2016
- 稿件说明：
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[1]罗苏南,曹冬明,王耀,丁晔,阎嫦玲,须雷,石亲民.±800kV特高压直流全光纤电流互感器研制及应用研究[J].高压电器,2016,52(10):1-7.

LUO Sunan, CAO Dongming, WANG Yao, et al. Development and Application Research of ±800 kV UHVDC Fiber Optical Current Transducer[J]. High voltageapparatus, 2016, 52(10): 1-7.
[1]罗苏南,曹冬明,王耀,丁晔,阎嫦玲,须雷,石亲民.±800kV特高压直流全光纤电流互感器研制及应用研究[J].高压电器,2016,52(10):1-7. DOI： 10.13296/j.1001-1609.hva.2016.10.001.

LUO Sunan, CAO Dongming, WANG Yao, et al. Development and Application Research of ±800 kV UHVDC Fiber Optical Current Transducer[J]. High voltageapparatus, 2016, 52(10): 1-7. DOI： 10.13296/j.1001-1609.hva.2016.10.001.

摘要

文中介绍了一种作者研制的新型±800 kV特高压直流全光纤电流互感器

并进行了为期1年的试运行。直流全光纤电流互感器采用Faraday磁光效应原理

采用光纤作为传感介质。文中介绍了±800 kV直流全光纤电流互感器的原理、构成、关键技术、测试试验及试运行情况

针对不同的直流保护方案提出了直流全光纤电流互感器的配置建议。测试试验及试运行表明:文中研制的直流全光纤电流互感器测量精度达到0.2级

阶跃响应小于125μs

主要技术指标（包括测量精度、响应时间、温度稳定性、抗振性能及绝缘性能等）能够满足特高压直流换流站的应用需求

直流全光纤电流互感器在特高压直流输电系统具有很好的应用前景。

Abstract

In this paper

a new type of ±800 kV ultra high voltage DC fiber current transducer is introduced

and the trial operation is carried out for 1 year. The UHVDC fiber current transducer adopts the principle of Faraday magneto optic effect and uses the optical fiber as sensing medium. This paper introduces the principle

composition

key technology

test and trial operation of the transducer and the configuration suggestion of DC fiber current transducer is proposed for different DC protection scheme. Test and trial operation show that the measurement accuracy of the developed UHVDC optical fiber current transducer is 0.2

the step response time is less than 125 μs

the main technical indicators such as measurement accuracy

response time

temperature stability

anti vibration performance and insulation performance

etc

can meet the application requirements of UHVDC converter station

the DC optical fiber current transducer has a good application prospect in UHVDC transmission system.

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