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- Title
Determination of the optimal installation site and capacity of battery energy storage system in distribution network integrated with distributed generation.
- Authors
Jun Xiao; Zequn Zhang; Linquan Bai; Haishen Liang
- Abstract
The presence of distributed generation (DG), represented by photovoltaic generation and wind generation, brings new challenges to distribution network operation. To accommodate the integration of DG, this study proposes a bi-level optimisation model to determine the optimal installation site and the optimal capacity of battery energy storage system (BESS) in distribution network. The outer optimisation determines the optimal site and capacity of BESS aiming at minimising total net present value (NPV) of the distribution network within the project life cycle. Then optimal power flow (OPF) and BESS capacity adjustment are implemented in the inner optimisation. OPF optimises the scheduling of BESS and network losses. On the basis of optimal scheduling of BESS, a novel capacity adjustment method is further proposed to achieve the optimal BESS capacity considering battery lifetime for minimising the NPV of BESS. Finally, the proposed method is performed on a modified IEEE 33-bus system and proven to be more effective comparing with an existing method without BESS capacity adjustment.
- Subjects
DISTRIBUTED power generation; ELECTRIC power production; BATTERY storage plants; ENERGY storage; STORAGE batteries; SPECTRAL energy distribution
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2016, Vol 10, Issue 3, p601
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/iet-gtd.2015.0130