适用于稳控装置的逆变站送出交流线路故障跳闸判据

徐海波; 方勇杰; 崔晓丹

doi:10.7500/AEPS20190920006

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适用于稳控装置的逆变站送出交流线路故障跳闸判据

研制与开发 | 更新时间：2025-06-16

- 适用于稳控装置的逆变站送出交流线路故障跳闸判据
- Fault-induced Tripping Criteria of Outgoing AC Transmission Lines in Inverter Station Applied by Stability Control Device
- 电力系统自动化-方正平台 2020年44卷第9期页码：151-157
- 作者机构：
  
  1.华北电力大学电气与电子工程学院，北京市 102206
  2.南瑞集团有限公司（国网电力科学研究院有限公司），江苏省南京市 211106
- 作者简介：
  
  徐海波(1981—)，男，博士研究生，高级工程师，主要研究方向：电力系统安全稳定分析与控制技术。E-mail：xuhaibo@sgepri.sgcc.com.cn
  方勇杰(1964—)，男，通信作者，博士，研究员级高级工程师，博士生导师，主要研究方向：电力系统安全稳定分析与控制技术。E-mail：fangyongjie@sgepri.sgcc.com.cn
  崔晓丹(1981—)，男，博士，研究员级高级工程师，主要研究方向：电力系统安全稳定分析与控制技术。E-mail：cuixiaodan@sgepri.sgcc.com.cn
- 基金信息：
  
  国家电网公司科技项目(SGSDDK00KJJS1700315)
- DOI：10.7500/AEPS20190920006
  中图分类号：
- 收稿日期：2019-09-20，
  
  修回日期：2020-01-06，
  
  网络出版日期：2020-03-24，
  
  纸质出版日期：2020-05-10
- 稿件说明：
移动端阅览
徐海波,方勇杰,崔晓丹.适用于稳控装置的逆变站送出交流线路故障跳闸判据[J].电力系统自动化,2020,44(9):151-157.

XU Haibo,FANG Yongjie,CUI Xiaodan.Fault-induced Tripping Criteria of Outgoing AC Transmission Lines in Inverter Station Applied by Stability Control Device[J].Automation of Electric Power Systems,2020,44(9):151-157.
徐海波,方勇杰,崔晓丹.适用于稳控装置的逆变站送出交流线路故障跳闸判据[J].电力系统自动化,2020,44(9):151-157. DOI： 10.7500/AEPS20190920006.

XU Haibo,FANG Yongjie,CUI Xiaodan.Fault-induced Tripping Criteria of Outgoing AC Transmission Lines in Inverter Station Applied by Stability Control Device[J].Automation of Electric Power Systems,2020,44(9):151-157. DOI： 10.7500/AEPS20190920006.

摘要

直流换相失败给逆变站近区交流电网的故障特征带来了显著变化。理论分析了直流换相失败对逆变站送出交流故障线路的电流有效值的影响规律，指出了稳控装置所用的传统故障跳闸判据存在不适应场景的原因；进一步基于实时数字仿真平台（RTDS），验证了理论分析所述的不适应场景；通过分析直流系统短路后的交流等值网络，结合故障时电流序分量和相间余弦电压等电气量特征，提出了适应逆变站送出交流线路的故障跳闸新判据；最后，RTDS仿真结果验证了新判据的有效性和可靠性。

Abstract

DC commutation failure brings significant changes to the fault characteristics of the AC grid near the inverter station. The influence of DC commutation failure on the root mean square (RMS) of current of the AC fault line in the inverter station is analyzed theoretically. The deficiency of traditional criteria applied by stability control devices is pointed out. Based on the real-time digital simulation platform (RTDS)

the inadaptable scenarios described in the theoretical analysis are verified. By analyzing the AC equivalent network after the short circuit of DC system

new criteria for identifying fault-induced tripping based on current sequence component and interphase cosine voltage are proposed. RTDS simulation results show the validity and reliability of the new criteria.

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Keywords

references

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