Study on Sub-synchronous Oscillation Suppression Strategy of Wind-thermal Power Bundled Transmission System Based on STATCOM/BESS

LIU Qing; XU Honglu; LI Jie

doi:10.14044/j.1674-1757.pcrpc.2019.03.030

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Study on Sub-synchronous Oscillation Suppression Strategy of Wind-thermal Power Bundled Transmission System Based on STATCOM/BESS

更新时间：2024-09-14

- Study on Sub-synchronous Oscillation Suppression Strategy of Wind-thermal Power Bundled Transmission System Based on STATCOM/BESS
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 40, Issue 3, Pages: 165-170(2019)
- 作者机构：
  
  1. 华北电力大学电气与电子工程学院
  2. 国网山东省电力公司检修公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2019.03.030
  CLC： TM61
- Published：2019，
- 稿件说明：
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[1]刘青,徐宏璐,李杰.基于STATCOM/BESS的风火打捆系统次同步振荡抑制研究[J].电力电容器与无功补偿,2019,40(03):165-170.

LIU QING, XU HONGLU, LI JIE. Study on Sub-synchronous Oscillation Suppression Strategy of Wind-thermal Power Bundled Transmission System Based on STATCOM/BESS. [J]. Power capacitor & reactive power compensation, 2019, 40(3): 165-170.
[1]刘青,徐宏璐,李杰.基于STATCOM/BESS的风火打捆系统次同步振荡抑制研究[J].电力电容器与无功补偿,2019,40(03):165-170. DOI： 10.14044/j.1674-1757.pcrpc.2019.03.030.

LIU QING, XU HONGLU, LI JIE. Study on Sub-synchronous Oscillation Suppression Strategy of Wind-thermal Power Bundled Transmission System Based on STATCOM/BESS. [J]. Power capacitor & reactive power compensation, 2019, 40(3): 165-170. DOI： 10.14044/j.1674-1757.pcrpc.2019.03.030.

摘要

基于高压直流输电（HVDC）技术将风电与火电打捆运行已成为解决远距离输电需求的一种可行方案。为解决风火打捆经直流送出系统的次同步振荡问题

提出了一种基于储能型静止同步补偿器（STATCOM/BESS）的抑制方法。首先对STATCOM/BESS抑制次同步振荡的机理进行了分析;其次

基于广域测量系统（wide area measurement system

WAMS）设计出STATCOM/BESS关于风火打捆系统的次同步振荡抑制方法

在STATCOM/BESS电流内环控制回路上附加阻尼控制抑制多模态振荡

并采用改进粒子群算法（particle swarm optimization

PSO）对附加阻尼控制器参数进行协调优化。最后

基于PSCAD/EMTDC平台搭建了含STATCOM/BESS接入的风火打捆经直流送出系统仿真模型

对所提抑制方法的有效性进行仿真验证

结果表明该方法能有效抑制风火打捆系统中的次同步振荡问题

提高系统的稳定性。

Abstract

Wind-thermal power bundled system with HVDC external transmission technology has become an ideal solution for long-distance transmission. To suppress the multi-modal sub-synchronous oscillation problem generated by the wind-thermal power bundled system

a suppression method based on the STATCOM/BESS is proposed. Firstly

the mechanism of STATCOM/BESS for suppressing SSO is analyzed. Secondly

based on wide area measurement system（wide area measurement system

WAMS）

the STATCOM/BESS suppression method for the SSO of the wind-thermal power bundled transmission system is designed

adding damping control to suppress multi-mode oscillation on the STATCOM/BESS current inner loop control loop

and the parameters of the controller are coordinated and optimized using the improved particle swarm algorithm for additional damping. Finally

on the basis of PSCAD/EMTDC platform

the simulation model of the wind-fighting baling system with STATCOM/BESS access is established. The effectiveness of the proposed suppression method is verified by simulation. It is shown by the result that the suppression strategy can effectively suppress SSO of the DC delivery system and improve the operational stability of the system.

关键词

风火打捆次同步振荡附加阻尼控制器STATCOM/BESS改进粒子群算法

Keywords

wind-thermal power bundled transmissionsub-synchronous oscillation（SSO）SSDCSTATCOM/BESSimproved particle swarm optimization（PSO） algorithm

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