Coordinated control method of frequency stability for new power system considering short-time power support of DC and energy storage

被引：0
|
作者：
Chen, Xiaojing [1 ]
Dong, Haiying [1 ]
Che, Yulong [1 ]
Zhang, Yu [2 ]
机构：
[1] School of Automation and Electrical Engineering, Lanzhou Jiaotong University, Lanzhou,730073, China
[2] BaiLie School of Petroleum Engineering, Lanzhou City University, Lanzhou,730073, China
来源：
Dianli Zidonghua Shebei/Electric Power Automation Equipment | 2024年 / 44卷 / 11期
关键词：
Frequency stability;
D O I：
10.16081/j.epae.202405022
中图分类号：
学科分类号：
摘要：
Aiming at the frequency stability problem of new power system under the constraint of available energy of electronic interfaced energy resources，a coordinated control method of frequency stability considering the short-time power support of DC and energy storage is proposed. According to the short-time overload capacity of DC transmission system，the system frequency response model considering short-time DC power support amount and starting-time is developed. The influence of power support amount and starting-time on frequency nadir is analyzed. On this basis，considering the constraints of DC and energy storage，the frequency security constraints of DC interconnected power grid and the security constraints of AC system power flow，an optimization model considering the coordination of DC and energy storage in frequency stability control is proposed，which can obtain the control scheme that ensure the frequency nadir above the threshold value of frequency stability and make control energy minimized. The simulative results show that the proposed method can effectively use the control energy and improve the economy of system operation. © 2024 Electric Power Automation Equipment Press. All rights reserved.
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页码：111 / 119
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