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Enhanced Sufficient Battery Model for Aggregate Flexibility of Thermostatically Controlled Loads Considering Coupling Constraints
IEEE Transactions on Sustainable Energy ( IF 8.8 ) Pub Date : 2021-07-26 , DOI: 10.1109/tste.2021.3099314
Guangrui Wang , Zhengshuo Li , Fei Wang

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.

中文翻译:

考虑耦合约束的恒温控制负载总体柔性的增强型充足电池模型

这封信提出了一种增强的充足电池模型 (ESBM) 以及一种二进制搜索算法,用于改进恒温控制负载 (TCL) 阵列的聚合灵活性的内部近似。与之前在广义电池模型上的工作相比,我们的 ESBM 保留了充分性的优点并降低了保守性。此外,与忽略耦合约束(例如,有关 TCL 个体物理连接的配电网络的约束)的工作可能会显着限制 TCL 的总体灵活性,我们的 ESBM 可以轻松处理这些约束。数值测试验证了使用我们的 ESBM 进行电力系统操作的优点和意义。
更新日期:2021-09-21
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