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- Title
Analysis the securable operation and protection coordination indices on multi‐objective sitting and sizing of synchronous distributed generations on distribution networks.
- Authors
Shad, Hossien; Gandomkar, Majid; Nikoukar, Javad
- Abstract
Despite improving various technical indices such as operation and voltage profile, the integration of synchronous distributed generations (SDGs) may lead to the loss of protection coordination in the distribution network (DN). To tackle the problem, this paper presents a multi‐objective siting and sizing of SDGs on DN considering operation, economic and protection coordination indices simultaneously. The proposed scheme is structured in the framework of a four‐objective optimization problem, which aims to minimize the energy losses, the worst voltage security index (VSI), planning cost of SDGs and the protection index (PI) (the deviation of coordination time interval). Therefore, it is constrained to power flow equations, VSI, and protection coordination of overcurrent relays (OCRs). Then, the Pareto optimization based on the method of the weighted functions summation obtains an integrated single‐objective problem for the proposed scheme. Next, a hybrid evolutionary algorithm formed by merging particle swarm optimization (PSO) and crow search algorithm (CSA) is incorporated to achieve the optimal solution with unique response approximate conditions. Eventually, the suggested scheme is applied on distribution portion of IEEE 30‐bus ring and IEEE 69‐bus radial DN and numerical results confirm the efficient performance of SDG planning in terms of technical indicators and protective devices coordination.
- Subjects
DISTRIBUTED power generation; PARTICLE swarm optimization; EVOLUTIONARY algorithms; ELECTRICAL load; ENERGY dissipation; ELECTROSTATIC discharges; CALORIC expenditure
- Publication
IET Generation, Transmission & Distribution (Wiley-Blackwell), 2023, Vol 17, Issue 9, p2169
- ISSN
1751-8687
- Publication type
Article
- DOI
10.1049/gtd2.12800