电阻型超导故障电流限制器应用于VSC-HVDC系统的位置优选研究

doi:10.3969/j.issn.1000－7229.2016.07.011

电力建设 ›› 2016, Vol. 37 ›› Issue (7): 78-83.doi: 10.3969/j.issn.1000－7229.2016.07.011

电阻型超导故障电流限制器应用于VSC-HVDC系统的位置优选研究

李旭1，陈树勇2，唐晓骏2，张鑫2，申旭辉2，吕思卓2

1.东北电力大学电气工程学院，吉林省吉林市132012；2.中国电力科学研究院，北京市 100192

出版日期:2016-07-01
作者简介:李旭（1990），男，硕士研究生，通信作者，本文主要研究方向为柔性直流输电；陈树勇（1960），男，博士，教授，研究方向为含新能源的电力系统分析与规划；唐晓骏（1979），男，高级工程师，研究方向为电力系统分析；张鑫（1981），男，高级工程师，研究方向为电力系统规划与可靠性、电力系统分析与控制等；申旭辉（1979），男，博士研究生，研究方向为交直流系统的仿真与分析；吕思卓（ 1989），男，硕士，工程师，主要研究方向为电力系统稳定与控制。
基金资助:
国家电网公司科技项目（XT71－15－048）

Optimal Location Selection of Resistive-Type Superconducting Fault Current Limiter in VSC-HVDC System

LI Xu1，CHEN Shuyong2，TANG Xiaojun2，ZHANG Xin2，SHEN Xuhui2，LYU Sizhuo2

1. School of Electrical Engineering, Northeast Dianli University, Jilin 132012, Jilin Province, China; 2. China Electric Power Research Institute, Beijing 100192, China

Online:2016-07-01

摘要/Abstract

摘要： 由于能独立控制有功、无功功率，无换相失败等优点，基于电压源换流器的高压直流输电系统（voltage source converter based high-voltage direct current，VSC-HVDC）系统被认为是未来电网的发展方向。但是，直流故障与交流故障快速有效隔离，成为影响VSC-HVDC系统发展的重要技术难题之一。为了解决VSC-HVDC系统故障隔离问题和限制故障线路过大的短路电流，应用超导故障限流器逐渐被人们重视。提出基于电阻型超导限流器的故障限流方法，并用所设计的两端双极性VSC-HVDC系统，分别在直流线间短路、直流线路接地短路和三相交流短路情况下，比较电阻型超导限流器可行的安装位置并证明所提限流方法的有效性。最后，利用PSCAD/EMTDC仿真提出在VSC-HVDC系统中电阻型超导限流器的最优安装位置。

关键词: 基于电压源换流器的高压直流输电（voltage source converter based high-voltage direct current, VSC-HVDC）系统, 故障隔离, 故障限流, 电阻型超导限流器

Abstract: Due to the independent control of active and reactive power and no commutation failure, etc., voltage source converter based high-voltage direct current （VSC-HVDC） system is considered to be the development direction of the future power grid.However, the problem which quickly and efficiently isolates DC fault or AC fault becomes one of the important technical problems of VSC-HVDC system.In order to solve the problem of fault isolation and limit short-circuit current in VSC-HVDC system, the application of superconducting fault current limiter is considered seriously by people gradually. This paper proposes fault current limiting technique based on the resistive-type superconducting fault current limiter （R-SFCL）. Then, with utilizing the designed bipolar VSC-HVDC systems, this paper compares the feasible locations of R-SFCLs, when DC line-to-line, DC line-to-ground and three-phase AC faults are occurred, and proves the effectiveness of the proposed current limiting method. Finally, based on the simulation tests in PSCAD/EMTDC, this paper suggests the optimum locations of SFCLs in VSC-HVDC transmission systems.

Key words: voltage source converter based high-voltage direct current （VSC-HVDC）, fault isolation, fault limitation, resistive-type superconducting fault current limiter

中图分类号:

TM 75

李旭，陈树勇，唐晓骏，张鑫，申旭辉，吕思卓. 电阻型超导故障电流限制器应用于VSC-HVDC系统的位置优选研究[J]. 电力建设, 2016, 37(7): 78-83.

LI Xu，CHEN Shuyong，TANG Xiaojun，ZHANG Xin，SHEN Xuhui，LYU Sizhuo. Optimal Location Selection of Resistive-Type Superconducting Fault Current Limiter in VSC-HVDC System[J]. Electric Power Construction, 2016, 37(7): 78-83.

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电阻型超导故障电流限制器应用于VSC-HVDC系统的位置优选研究

Optimal Location Selection of Resistive-Type Superconducting Fault Current Limiter in VSC-HVDC System

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