Critical Technology and Equipment Development of Protection Characteristics Test of DC Current Transformer for VSC-HVDC Transmission

张杰; 姚俊; 姚翔宇; 胡浩亮

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Critical Technology and Equipment Development of Protection Characteristics Test of DC Current Transformer for VSC-HVDC Transmission

更新时间：2025-12-08

- Critical Technology and Equipment Development of Protection Characteristics Test of DC Current Transformer for VSC-HVDC Transmission
- Vol. 44, Issue 7, Pages: 2159-2164(2018)
- 作者机构：
  
  1. 南瑞集团公司(国网电力科学研究院)
  2. 国网电力科学研究院武汉南瑞有限责任公司
  3. 中国电力科学研究院有限公司
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 July 2018，
  
  Published：2018
- 稿件说明：
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张杰, 姚俊, 姚翔宇, et al. Critical Technology and Equipment Development of Protection Characteristics Test of DC Current Transformer for VSC-HVDC Transmission[J]. 2018, 44(7): 2159-2164.
DOI：

张杰, 姚俊, 姚翔宇, et al. Critical Technology and Equipment Development of Protection Characteristics Test of DC Current Transformer for VSC-HVDC Transmission[J]. 2018, 44(7): 2159-2164. DOI：

摘要

针对柔性直流输电用直流电流互感器保护特性试验技术及试验设备难以满足现状的问题

开展阶跃响应特性及相关保护特性试验技术研究

提出基于模块化组合方式的直流电流互感器阶跃响应试验技术

研制直流电流互感器阶跃响应测量用的快速上升长脉宽试验大电流源

完成柔性直流输电用直流电流互感器阶跃响应等验证试验。仿真和试验结果表明

所提出的柔性直流输电用直流电流互感器保护特性试验方法

可大幅度减小试验电源容量

满足标准要求的快速上升长脉宽阶跃方波大电流模拟输出

其性能满足柔性直流输电工程用直流电流互感器保护特性及阶跃响应试验要求

解决直流互感器保护暂态特性难以准确评价的难题。

Abstract

Aiming at the flexible HVDC DC current transformer

we researched the test technology of the protection characteristics of step response

according to the current status of DC transformer protection characteristic test equipment lack. Moreover

we proposed a modular-combined test technology

and developed a step test system of the DC current transformer with a rapid rise and long-pulse large-current test source. The simulation and experiment results show that the proposed flexible HVDC DC current transformer protection test method can greatly reduce the test power supply capacity

and meet the requirements of step square wave current output of rapid rise of long pulse order standard. The performance meets the requirements of tests when the DC current transformer protection characteristic and step response is used in the flexible HVDC project. The research can help solve the difficult problem of protecting the transient characteristics of DC transformer

which is difficult to accurately evaluate the safety.

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Related Institution

强电磁工程与新技术国家重点实验室(华中科技大学)

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直流系统工程装备研究中心(大连海事大学)

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