Influence of Large-scaled Photovoltaic Grid Connected on the Transient Stability and Countermeasures

ZHENG Chao; LI Yuan; Lü Pan; NIU Shuanbao; GE Xing; BAI Shibin

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Influence of Large-scaled Photovoltaic Grid Connected on the Transient Stability and Countermeasures

更新时间：2025-12-08

- Influence of Large-scaled Photovoltaic Grid Connected on the Transient Stability and Countermeasures
- Vol. 43, Issue 10, Pages: 3403-3411(2017)
- 作者机构：
  
  1. 中国电力科学研究院
  2. 华北电力大学电气与电子工程学院
  3. 国网新疆电力公司经济技术研究院
  4. 国网西北分部
  5. 国网宁夏电力公司调度控制中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published Online：30 October 2017，
  
  Published：2017
- 稿件说明：
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ZHENG Chao, LI Yuan, Lü Pan, et al. Influence of Large-scaled Photovoltaic Grid Connected on the Transient Stability and Countermeasures[J]. 2017, 43(10): 3403-3411.
DOI：

ZHENG Chao, LI Yuan, Lü Pan, et al. Influence of Large-scaled Photovoltaic Grid Connected on the Transient Stability and Countermeasures[J]. 2017, 43(10): 3403-3411. DOI：

摘要

随着光伏并网容量快速增长

其对电网稳定性影响及应对措施

已成为电力系统重要研究课题。为此

首先分析了并网点电压快速跌落和提升过程中

光伏发电单元及其并网系统受扰功率特性

以及不同控制模式对功率特性的影响。在此基础上

基于所构建的光伏发电与常规电源联合外送系统

分析了光伏并网对送端系统暂态功角稳定性影响

并针对光伏发电与常规电源分别提出了应对措施。新疆和田地区规模化光伏并网系统仿真结果

验证了所提出的应对措施可有效提升送端电网稳定水平。

Abstract

With the continuous growth of grid connected photovoltaic capacity

the influences of PV on the transient stability and corresponding countermeasures have become an important research topic.Consequently

we analyzed the active and reactive power characteristics of PV unit and its grid connected system during rapid voltage dropping and lifting

and analyzed the influences of different control modes on these characteristics firstly.Thereby

aiming to the sending system with conventional generator and photovoltaic

we analyzed the influences of PV on transient stability

and proposed countermeasures.Simulation results got from Hetian area of Xinxiang Uygur autonomous region have verified that the proposed countermeasures can improve the transient stability of sending system with conventional generator and photovoltaic effectively

and these countermeasures provide technical solution to enhance the acceptance capacity of photovoltaic power.

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