| Issue |
E3S Web Conf.
Volume 256, 2021
2021 International Conference on Power System and Energy Internet (PoSEI2021)
|
|
|---|---|---|
| Article Number | 01007 | |
| Number of page(s) | 6 | |
| Section | Smart Grid Technology and Power System Regulation Modeling | |
| DOI | https://doi.org/10.1051/e3sconf/202125601007 | |
| Published online | 10 May 2021 | |
Research on Improving Transient Stability of Power System with Distributed BESS and its Coordinated Control Method
Electric Power Research Institute of State Grid Hebei Electric Power Company, Shijiazhuang, Hebei, 050000, China
* Corresponding author’s e-mail: dyy_suc@he.sgcc.com.cn
The feasibility of battery energy storage system (BESS) in ameliorating power system transient stability has been proved. However, the required BESS capacity is large, which leads to high price. Meanwhile, the improving effect is significantly affected by fault location and BESS location. To address the problem, a distributed configuration of BESS, with a coordinated control method, is proposed in this paper. Firstly, an independent double-closed loop decoupling controller is designed for each BESS, so that the BESS unit can realize decentralized control according to its local correlation information. Secondly, particle swarm optimization is applied to optimize the control parameters of the distributed controllers to achieve coordinated control. Simulation results show that the distributed BESS controllers optimized by particle swarm optimization can better coordinate with each other, and the transient stability of the system is significantly improved.
© The Authors, published by EDP Sciences, 2021
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