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山东大学学报 (工学版) ›› 2023, Vol. 53 ›› Issue (4): 128-139.doi: 10.6040/j.issn.1672-3961.0.2022.265

• 电气工程 • 上一篇    

并网CIG系统的小干扰稳定性解析分析

翁华1,朱维骏1,李宇骏2,郁丹1,张雨萌3,华凤林2   

  1. 1.浙江华云电力工程设计咨询有限公司, 浙江 杭州 310000;2.西安交通大学电力工程系, 陕西 西安 710049;3.国家电网有限公司华北分部, 北京100032
  • 发布日期:2023-08-18
  • 作者简介:翁华(1986— ),男,浙江衢州人,博士研究生,主要研究方向为电力系统稳定分析与控制. E-mail:wenghua1986@163.com
  • 基金资助:
    浙江华云电力工程设计咨询有限公司科技项目(2021C1D08P02)

Analytical analysis of small disturbance stability of grid-connected CIG system

WENG Hua1, ZHU Weijun1, LI Yujun2, YU Dan1, ZHANG Yumeng3, HUA Fenglin2   

  1. 1. Zhejiang Huayun Electric Power Engineering Design Consulting Co., Ltd., Hangzhou 310000, Zhejiang, China;
    2. Department of Electrical Engineering, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China;
    3. North China Branch, State Grid Corporation of China, Beijing 100032, China
  • Published:2023-08-18

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摘要： 针对含锁相环(phase-locked loop, PLL)的以换流器联接的发电设备(converter interfaced generation, CIG)并网系统解析稳定性的欠缺,研究并网CIG系统的稳定性,建立单电压源换流器-无穷大电源系统的极点和内环电流时间常数、系统工作点、线路参数以及PLL控制参数之间的关系,应用劳斯判据得出稳定条件的解析表达式,并进行化简。利用的解析条件发现诱发系统不稳定的因素、原理,准确地预测系统稳定性并在确保系统稳定的前提下提供控制器参数的可行范围。电磁暂态仿真结果验证了所提解析条件的正确性与准确性。

关键词: 并网CIG系统, 小干扰稳定性, 锁相环, 稳定条件, 劳斯判据

中图分类号: 

  • TM712
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[1] 龚宇雷,王 辉,李庆民 . 锁相环动态频相跟踪特性分析[J]. 山东大学学报(工学版), 2008, 38(4): 107-111 .
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