Study on Sub-synchronous Oscillation & Control Method at Large-scale Wind Farms Integration Area in Xinjiang

FU Gaoshan; XU Yelin; GAO Yuxi; WANG Xinbao; LI Qingbo; WANG Xingang

doi:10.14044/j.1674-1757.pcrpc.2018.01.023

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Study on Sub-synchronous Oscillation & Control Method at Large-scale Wind Farms Integration Area in Xinjiang

更新时间：2024-09-14

- Study on Sub-synchronous Oscillation & Control Method at Large-scale Wind Farms Integration Area in Xinjiang
- POWER CAPACITOR & REACTIVE POWER COMPENSATION Vol. 39, Issue 1, Pages: 117-123(2018)
- 作者机构：
  
  1. 国网新疆电力公司经济技术研究院
  2. 南京南瑞继保电气有限公司
  3. 国网新疆电力公司
- 作者简介：
- 基金信息：
- DOI：10.14044/j.1674-1757.pcrpc.2018.01.023
  CLC： TM712
- Published：2018，
- 稿件说明：
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[1]付高善,许叶林,高玉喜,王新宝,李庆波,王新刚.新疆大规模风电汇集地区的次同步振荡控制方法研究[J].电力电容器与无功补偿,2018,39(01):117-123.

FU GAOSHAN, XU YELIN, GAO YUXI, et al. Study on Sub-synchronous Oscillation & Control Method at Large-scale Wind Farms Integration Area in Xinjiang. [J]. Power capacitor & reactive power compensation, 2018, 39(1): 117-123.
[1]付高善,许叶林,高玉喜,王新宝,李庆波,王新刚.新疆大规模风电汇集地区的次同步振荡控制方法研究[J].电力电容器与无功补偿,2018,39(01):117-123. DOI： 10.14044/j.1674-1757.pcrpc.2018.01.023.

FU GAOSHAN, XU YELIN, GAO YUXI, et al. Study on Sub-synchronous Oscillation & Control Method at Large-scale Wind Farms Integration Area in Xinjiang. [J]. Power capacitor & reactive power compensation, 2018, 39(1): 117-123. DOI： 10.14044/j.1674-1757.pcrpc.2018.01.023.

摘要

新疆哈密地区是风光火打捆、直流送出的复杂电网系统

电力电子设备大量应用带来的次同步谐波使得该地区次同步振荡问题越发严重。为此

通过分析次同步振荡识别判据

结合现有稳控装置支持次同步振荡控制功能的升级方案研究

提出了针对性的次同步振荡控制策略

包括结合机组模态频率特征和不结合机组模态频率特征两种方式。通过次同步振荡频率成分判据分析、启动门槛设定和启动确认等设计步骤

研制开发了新的次同步振荡安全控制装置;基于现场近百次的同步振荡事故验证

该装置全部正确动作

有效地抑制了哈密地区电网的次同步振荡

保证了电网的安全稳定运行。

Abstract

Hami area in Xinjiang is a complex power system with wind or PV power bundled with thermal power and DC transmission. The sub-synchronous harmonic due to a large number of application of electric and electronic devices causes the sub-synchronous oscillation problem more and more serious. Therefore

the specific sub-synchronous oscillation control strategy is proposed throughout the analysis of identification of the sub-synchronous oscillation with combination of existing upgrade scheme research of stability control device for subsynchronous oscillation control

including such two modes as combination and non-combination of modal frequency characteristics. Such design procedures as threshold setting and confirmation is started up through criterion analysis of subsynchronous oscillation frequency and a new SSO safety control device is developed. It is verified by nearly one hundred times of synchronization oscillation accident at site that operation of the device is all correct

which suppresses effectively the subsynchronous oscillation in Hami power grid and assures the safe and stable operation of the power grid.

关键词

风电汇集地区并网次同步振荡（SSO）稳定性

Keywords

wind power integration areagrid connectionsubsynchronous oscillation（SSO）stability

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