Analysis of Improving Transient Stability of Wind-thermal Bundled System by Fault Current Limiter

LI Juan; SUN Kangjie; LI Fangyuan; ZHANG Yan; WANG Ling; ZHOU Sikai

doi:10.14044/j.1674-1757.pcrpc.2021.06.034

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Analysis of Improving Transient Stability of Wind-thermal Bundled System by Fault Current Limiter

更新时间：2024-09-14

- Analysis of Improving Transient Stability of Wind-thermal Bundled System by Fault Current Limiter
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 42, Issue 6, Pages: 245-252(2021)
- 作者机构：
  
  1. 东北电力大学现代电力系统仿真控制与绿色电能新技术教育部重点实验室
  2. 国网齐齐哈尔供电公司
  3. 国网佳木斯供电公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2021.06.034
  CLC： TM712
- Published：2021，
- 稿件说明：
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LI JUAN, SUN KANGJIE, LI FANGYUAN, et al. Analysis of Improving Transient Stability of Wind-thermal Bundled System by Fault Current Limiter. [J]. Power capacitor & reactive power compensation, 2021, 42(6): 245-252.
DOI：

LI JUAN, SUN KANGJIE, LI FANGYUAN, et al. Analysis of Improving Transient Stability of Wind-thermal Bundled System by Fault Current Limiter. [J]. Power capacitor & reactive power compensation, 2021, 42(6): 245-252. DOI： 10.14044/j.1674-1757.pcrpc.2021.06.034.

摘要

风火打捆外送模式解决了风电就地消纳能力不足、单独传输经济性差的问题

但同时风电的并入也给系统暂态稳定性带来了不利影响。在此背景下

基于双馈风电机组(doubly fed induction generator

DFIG)外特性建立风火打捆系统单端送电功率方程

分析了由于风电并入使同步机组功角特性发生改变

导致暂态稳定性降低。考虑在风火打捆系统并网输电线路上串联故障限流器(fault current limiter

FCL)来提高故障期间功率传输能力

在建立的含故障限流器的风火打捆系统等值电路基础上

分析了电抗型和电阻型两种故障限流器在系统故障期间对功率特性的影响和改善系统暂态稳定性的机理

并比较了应用两种故障限流器的差异。最后进行仿真验证

结果表明在线路上串联故障限流器能够显著改善风火打捆系统的暂态稳定性。

Abstract

The wind-thermal bundling mode solves the problems of insufficient local wind power consumption capacity and poor single transmission economy

but at the same time

the incorporation of wind power also brings adverse effects on the transient stability of the system. Firstly

based on the external characteristics of DFIG

the single ended power transmission equation of wind fire baling system is established

and the change of power angle characteristics caused by wind power integration is analyzed in detail

which leads to the decrease of system transient stability. Then

the fault current limiter is proposed to improve the power transmission limit during the fault period

and the equivalent circuit of the wind fire baling system with fault current limiter is established. The mechanism of using fault current limiter to improve the transient stability of the system is analyzed. Finally

the simulation results show that the series fault current limiter can significantly improve the transient stability of wind fire baling system.

关键词

风火打捆系统风电等值故障限流器暂态稳定性

Keywords

wind-thermal bundled systemwind power equivalentfault current limitertransient stability

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