统一潮流控制器对继电保护的影响及对策研究综述

郑涛; 汤哲; 张滋行; 李厚源; 曹虹

引用本文:	郑涛,汤哲,张滋行,等.统一潮流控制器对继电保护的影响及对策研究综述[J].电力系统保护与控制,2019,47(15):171-178.
	ZHENG Tao,TANG Zhe,ZHANG Zihang,et al.Review of the influence of unified power flow controller on relay protection and countermeasures[J].Power System Protection and Control,2019,47(15):171-178

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统一潮流控制器对继电保护的影响及对策研究综述
郑涛¹,汤哲¹,张滋行¹,李厚源¹,曹虹²
(1.新能源电力系统国家重点实验室(华北电力大学)，北京 102206; 2.电网安全与节能国家重点实验室(中国电力科学研究院)，北京 100192)

摘要:

统一潮流控制器可以提高输电线路的传输容量，提高系统稳定水平。但当其接入电网后，会使线路中的电压、电流以及阻抗发生变化，可能会造成线路继电保护的误动作。介绍了统一潮流控制器的工作原理。综述了统一潮流控制器以及静止同步补偿器、静止同步串联补偿器接入电网给线路继电保护(包括距离保护、纵联保护)造成的影响。分析了现有的应对方案及其不足，并对后续研究重点给出了相应的建议。

关键词: 统一潮流控制器继电保护影响对策

DOI：10.7667/PSPC20191522

分类号:

基金项目:国家重点研发计划专项课题(2016YF0900604)

Review of the influence of unified power flow controller on relay protection and countermeasures

ZHENG Tao¹,TANG Zhe¹,ZHANG Zihang¹,LI Houyuan¹,CAO Hong²

(1. State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources (North China Electric Power University), Beijing 102206, China;2. The State Key Laboratory for Security and Energy Saving (China Electric Power Research Institute), Beijing 100192, China)

Abstract:

The unified power flow controller can improve the transmission capacity of the transmission line and enhance the system stability level. However, when it is connected to the grid, the voltage, current and impedance in the line will change, which may cause malfunction of the line relay protection. The working principle of the unified power flow controller is introduced. The effects of the unified power flow controller and the static synchronous compensator and the static synchronous series compensator on the line relay protection (including distance protection and longitudinal protection) are summarized. The existing solutions and their deficiencies are analyzed, and corresponding suggestions are given for the future research. This work is supported by National Key Research and Development Program of China (No. 2016YF0900604).

Key words: unified power flow controller (UPFC) relay protection influence countermeasures

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