Integrated Optimal Configuration of Flexible Multi-state Switch and Distributed Generation in Distribution Network Considering Reliability Gain

Zexi CHEN; Pu WANG; Wanfang XIAO; Dongqiang JIA; Xinyang GENG; Li YANG

doi:10.12204/j.issn.1000-7229.2022.06.010

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Electric Power Construction ›› 2022, Vol. 43 ›› Issue (6) : 93-100. DOI: 10.12204/j.issn.1000-7229.2022.06.010

Integrated Optimal Configuration of Flexible Multi-state Switch and Distributed Generation in Distribution Network Considering Reliability Gain

Zexi CHEN ¹^,² ,
Pu WANG ² ,
Wanfang XIAO ² ,
Dongqiang JIA ³ ,
Xinyang GENG ⁴ ,
Li YANG ²

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Abstract

Flexible multi-state switch (FMS) has an important advantage in improving the operation control ability of distribution network and improving renewable energy access. The existing FMS planning methods in distribution network do not consider the coordinated configuration of FMS and distributed generation (DG) in detail, and the reliability improvement brought by FMS access is not considered. To this end, this paper considers the cooperative optimal operation of distribution network with FMS and DG in detail, fully takes into account the reliability benefits brought by FMS access, and constructs a two-level optimal configuration model based on nested optimization for sizing and siting of FMS and DG. Aiming at the complexity of solving two-level nested programming model, a model solving strategy based on the combination of improved particle swarm optimization and general algebraic modeling language (GAMS) is proposed. The effectiveness of the proposed model and method is verified on an improved IEEE 33-node example system. The results show that the proposed method has better economy than the traditional FMS planning method because it can reduce the annual comprehensive cost of distribution network to the greatest extent, and reduce the loss of users due to power failure.

Key words

flexible multi-state switch(FMS) / distribution network / distributed generation(DG) / two-level optimization / sizing and siting

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Zexi CHEN , Pu WANG , Wanfang XIAO , et al . Integrated Optimal Configuration of Flexible Multi-state Switch and Distributed Generation in Distribution Network Considering Reliability Gain[J]. Electric Power Construction. 2022, 43(6): 93-100 https://doi.org/10.12204/j.issn.1000-7229.2022.06.010

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