Analysis on subsynchronous／supersynchronous oscillations caused by limit intermittent saturation in positive damping PMSG integrated system

被引：0
|
作者：
Zhang Z. [1 ]
Qiao D. [2 ]
Wang Y. [1 ]
Xue J. [3 ]
Lin Y. [3 ]
Xue A. [1 ]
机构：
[1] State Key Laboratory of Alternate Electrical Power System with Renewable Energy Sources, North China Electric Power University, Beijing
[2] North China Branch of State Grid Corporation of China, Beijing
[3] Economic and Technology Research Institute of State Grid Fujian Electric Power Co.，Ltd., Fuzhou
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2023年 / 43卷 / 09期
关键词：
description function; intermittent saturation; limiting link; PMSG; subsynchronous／supersynchronous oscillations;
D O I：
10.16081/j.epae.202302003
中图分类号：
学科分类号：
摘要：
The research on subsynchronous／supersynchronous oscillations caused by wind power integrated system mainly focuses on small-signal model analysis. Nonlinear effects such as amplitude limit after large disturbance are rarely considered. Based on the description function of unilateral limit and the generalized Nyquist criterion，the switching subsynchronous／supersynchronous oscillations caused by intermittent saturation of limiting link in positive damped direct-drive permanent magnet synchronous generator （PMSG） is analyzed. Firstly，the state space simplified model of integrated PMSG is given and its small disturbance stability is analyzed. Secondly，a new switching oscillation phenomenon caused by asymmetric unilateral d-axis current limiting intermittent saturation of PMSG after large disturbance is found. Thirdly，combined with the frequency domain model of grid-side converter of PMSG and the description function of unilateral limiting，the approximate analysis model of PMSG system with limiting link is given. Finally，combined with the generalized Nyquist criterion，the oscillation frequencies under different limiting values and parameters are approximately analyzed，and the phenomenon that the oscillation frequency increases with the decrease of the upper limit is explained. © 2023 Electric Power Automation Equipment Press. All rights reserved.
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页码：33 / 38
页数：5
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  • [1] ZHOU Xiaoxin, CHEN Shuyong, LU Zongxiang, Et al., Technology features of the new generation power system in China ［J］, Proceedings of the CSEE, 38, 7, pp. 1893-1904, (2018)
  • [2] ZHUO Zhenyu, ZHANG Ning, XIE Xiaorong, Et al., Key technologies and developing challenges of power system with high proportion of renewable energy［J］, Automation of Electric Power Systems, 45, 9, pp. 171-191, (2021)
  • [3] HUANG Linbin, XIN Huanhai, JU Ping, Et al., Synchronization stability analysis and unified synchronization control structure of grid-connected power electronic devices［J］, Electric Power Automation Equipment, 40, 9, pp. 10-25, (2020)
  • [4] XIE Xiaorong, WANG Luping, HE Jingbo, Et al., Analysis of subsynchronous resonance／oscillation types in power systems ［J］, Power System Technology, 41, 4, pp. 1043-1049, (2017)
  • [5] XUE Ancheng, FU Xiaoyu, QIAO Dengke, Et al., Review and prospect of research on sub-synchronous oscillation mechanism for power system with wind power participation［J］, Electric Power Automation Equipment, 40, 9, pp. 118-128, (2020)
  • [6] GUPTA R，, Et al., Stability analysis of a PMSG-based large offshore wind farm connected to a VSC-HVDC［J］, IEEE Transactions on Energy Conversion, 32, 3, pp. 1166-1176, (2017)
  • [7] Linbin HUANG, Huanhai XIN, Zhiyu LI, Et al., Grid-synchronization stability analysis and loop shaping for PLL-based power converters with different reactive power control ［J］, IEEE Transactions on Smart Grid, 11, 1, pp. 501-516, (2020)
  • [8] WANG Yijun, DU Wenjuan, WANG Haifeng, Analysis of subsynchronous oscillation in multi-machine power system caused by the integration of multiple wind farms based on improved complex torque coefficient method［J］, Proceedings of the CSEE, 41, 7, pp. 2383-2395, (2021)
  • [9] SHAO Bingbing, ZHAO Shuqiang, GAO Benfeng, Et al., Inside-wind-farm／wind-farm-grid sub-synchronous oscillation characteristics analysis in multiple D-PMSGs interfaced with VSC-HVDC system［J］, Proceedings of the CSEE, 40, 12, pp. 3835-3847, (2020)
  • [10] SHAO Bingbing, ZHAO Shuqiang, PEI Jikun, Et al., Subsyn-chronous oscillation characteristic analysis of grid-connected DDWFs via VSC-HVDC system［J］, Power System Technology, 43, 9, pp. 3344-3355, (2019)
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