The frequency analytical method for regional power systems considering the emergency frequency control

被引:0
|
作者
Shi, Zheng [1 ]
Zhao, Haibo [1 ]
Wang, Yao [1 ]
Liang, Yan [1 ,2 ]
Yan, Lu [3 ]
Zhang, Xiaowei [4 ]
Zhang, Ming [5 ]
机构
[1] State Grid Shanxi Elect Power Co, Econ & Techn Res Inst, Taiyuan, Peoples R China
[2] North China Elect Power Univ, Sch Elect & Elect Engn, Beijing, Peoples R China
[3] Yingda Changan Insurance Brokers Co LTD, Taiyuan, Peoples R China
[4] State Grid Shanxi Elect Power Ultra High Voltage S, Taiyuan, Peoples R China
[5] Construct Co State Grid Shanxi Elect Power Co, Xian, Peoples R China
来源
FRONTIERS IN ENERGY RESEARCH | 2024年 / 12卷
关键词
analytical method; emergency frequency control (EFC); regional power systems; system frequency response (SFR) model; HVDC; PENETRATION;
D O I
10.3389/fenrg.2024.1354908
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
With the continuous construction of high-voltage direct-current (HVDC) transmission projects, higher requirements are placed on the frequency security of the regional power systems. In order to ensure the frequency security of regional power systems, this paper proposes a transient frequency analytical method considering the emergency frequency control (EFC). Firstly, the aggregated system frequency response (SFR) model is constructed by reducing the order of the generator governor equation, the EFC equation, and the load model equation. Then, based on the aggregation model, the analytical solution of the transient frequency nadir of the regional power system is derived. The model can quickly and accurately calculate the transient frequency nadir of the regional power system considering EFC after the HVDC block fault. Finally, based on an actual regional power system model, the accuracy and applicability of the proposed method under HVDC block fault are verified.
引用
收藏
页数:14
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