A method of primary frequency regulation power distribution in a wind farm to avoid secondary frequency drop

被引：0
|
作者：
He, Tingyi [1 ]
Sun, Ling [2 ]
Wang, Chenguang [2 ]
Li, Shengnan [1 ]
Li, Chongtao [2 ]
Chen, Yiping [3 ]
机构：
[1] Electric Power Research Institute of Yunnan Power Grid Co., Ltd., Kunming,650217, China
[2] School of Electrical Engineering, Xi’an Jiaotong University, Xi’an,710049, China
[3] Dispatching and Control Center of China Southern Power Grid, Guangzhou,510623, China
来源：
Dianli Xitong Baohu yu Kongzhi/Power System Protection and Control | 2022年 / 50卷 / 11期
基金：
中国国家自然科学基金;
关键词：
Drops - Electric power system interconnection - Electric utilities - MATLAB - Wind farm;
D O I：
暂无
中图分类号：
学科分类号：
摘要：
Improper parameter setting may initiate a wind turbine speed protection action and then lead to a problem of secondary frequency drop, when a wind farm participates in primary frequency regulation based on droop control. Therefore, a method of primary frequency regulation power distribution in a wind farm to avoid secondary frequency drop is proposed. First, the physical mechanism of secondary frequency drop caused by the speed protection action is analyzed based on the response process of droop control. Then an evaluation method of wind turbine frequency regulation power is proposed considering the wind turbine speed and power limits. Then the evaluation method of wind farm frequency regulation power and the method of primary frequency regulation power distribution in a wind farm are obtained. A simulation model including a wind farm is established in Matlab/Simulink. The simulation results show that the proposed method could give full play to the frequency regulation capability of wind turbines and avoid the problem of secondary frequency drop. © 2022 Power System Protection and Control Press. All rights reserved.
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页码：12 / 20
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