Enhanced Sufficient Battery Model for Aggregate Flexibility of Thermostatically Controlled Loads Considering Coupling Constraints

被引：16
|
作者：
Wang, Guangrui [1 ]
Li, Zhengshuo [1 ]
Wang, Fei [2 ]
机构：
[1] Shandong Univ, Sch Elect Engn, Jinan 250061, Peoples R China
[2] North China Elect Power Univ, Dept Elect Engn, Baoding 071003, Peoples R China
来源：
IEEE TRANSACTIONS ON SUSTAINABLE ENERGY | 2021年 / 12卷 / 04期
关键词：
Batteries; Load modeling; Mathematical model; Distribution networks; Aggregation; coupling constraint; flexibility; generalized battery model; thermostatically controlled load;
D O I：
10.1109/TSTE.2021.3099314
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
This letter proposes an enhanced sufficient battery model (ESBM) as well as a binary search algorithm for an improved inner-approximation of the aggregate flexibility of thermostatically controlled load (TCL) arrays. Compared with the previous work on generalized battery models, our ESBM preserves the merits of being sufficient and reduces conservativity. Moreover, unlike the works ignoring the coupling constraints (e.g., the constraints regarding the distribution network where TCL individuals are physically connected) that may significantly restrict TCLs' aggregate flexibility, our ESBM can readily handle these constraints. Numerical tests validate the merits and significance of using our ESBM for power system operations.
引用
收藏
页码：2493 / 2496
页数：4
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