Analysis of Subsynchronous Oscillation Characteristics of D-PMSG Integrated With LCC-HVDC System

被引：0
|
作者：
Gao B. [1 ]
Cui Y. [1 ]
Li Y. [2 ]
Zhao F. [3 ]
Liu Y. [4 ]
Shao B. [1 ]
Zhao S. [1 ]
机构：
[1] Hebei Key Laboratory of Distributed Energy Storage and Micro-grid (North China Electric Power University), Baoding
[2] North China Electric Power Research Institute, Xicheng District, Beijing
[3] North China Branch of State Grid Corporation of China, Xicheng District, Beijing
[4] State Grid Suzhou Power Supply Company, Suzhou
来源：
Zhongguo Dianji Gongcheng Xuebao/Proceedings of the Chinese Society of Electrical Engineering | 2022年 / 42卷 / 06期
关键词：
Direct- drive permanent magnet synchronous generator (D-PMSG); Line-commutated-converter based high voltage direct current (LCC-HVDC); Modular block modeling method; Participation factor analysis; Sub-synchronous oscillation (SSO);
D O I：
10.13334/j.0258-8013.pcsee.202537
中图分类号：
学科分类号：
摘要：
When the direct-drive permanent magnet synchronous generator (D-PMSG) is located near the line-commutated-converter based high voltage direct current (LCC-HVDC) rectifier station, the sub-synchronous oscillation (SSO) characteristics of the system are still unclear, and relevant research needs to be carried out. In response to above the problems, this paper used the modular modeling method to establish a small signal model of the D-PMSG integrated with LCC-HVDC system, and the participation of D-PMSG and LCC-HVDC in the system SSO mode was studied with eigenvalues and participation factors. The eigenvalues were used to analyze the influence of system parameters on SSO damping. Research results showed that there was an SSO mode in which D-PMSG and LCC-HVDC participated together, and the LCC-HVDC connection provided negative damping for the system SSO. When the D-PMSG transmission line impedance and the integral coefficient of the outer loop of the GSC controller increased, the damping of the SSO mode decreased. When the proportional coefficient of D-PMSG GSC controller outer loop and D-PMSG DC side capacitance and wind speed of D-PMSG and LCC-HVDC constant current controller increased, SSO mode damping increased. Based on the PSCAD/EMTDC time domain simulation results, the correctness of the theoretical analysis was verified. © 2022 Chin. Soc. for Elec. Eng.
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页码：2084 / 2095
页数：11
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