Research on Sub-synchronous Oscillation Stability of VSC Converter

被引：0
|
作者：
Zheng, Huiping [1 ]
Hao, Xinjie [1 ]
Hou, Yuqiang [2 ]
Zhu, Ling [2 ]
Liu, Xinyuan [1 ]
Liu, Fusuo [2 ]
Li, Wei [2 ]
机构：
[1] Shanxi Elect Power Res Inst, 6 Qingnian Rd, Taiyuan 030001, Shanxi, Peoples R China
[2] NARI Grp Corp, 19 Chengxin Ave, Nanjing 211106, Jiangsu, Peoples R China
来源：
RENEWABLE ENERGY INTEGRATION WITH MINI/MICROGRID | 2018年 / 145卷
关键词：
VSC converter; phase-locked loop; voltage feedforward control; oscillation mode analysis; key parameters; LINE;
D O I：
10.1016/j.egypro.2018.04.059
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This paper studies the problem of the sub-synchronous oscillation, which caused by the interaction between VSC converter and non-series compensated weak grid. The model of VSC converter at grid side under small signal is constructed. Furthermore, eigenvalue analysis method is applied to analysis the model of oscillation modes, and by calculating damping ratio and correlation factors, the key parameters of sub-synchronous oscillation are presented. It is shown that parameters of phase-lock loop control and the voltage feed forward filter have a significant impact on the characteristic of system sub-synchronous oscillation. Therefore, reasonable optimization of parameter configuration can reduce the risk of the oscillation. Finally, the influence rules of the key parameters are verified via electromagnetic transient simulation. Copyright (C) 2018 The Authors. Published by Elsevier Ltd.
引用
收藏
页码：327 / 332
页数：6
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