Journal
IEEE TRANSACTIONS ON POWER SYSTEMS
Volume 27, Issue 4, Pages 2026-2035Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/TPWRS.2012.2187315
Keywords
Battery management systems; combined active-reactive optimal power flow (A-R-OPF); distributed power generation
Categories
Funding
- Ministry of Higher Education of the Syrian Arab Republic
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Due to environmental and fuel cost concerns more and more wind-and solar-based generation units are embedded in distribution networks (DNs). However, a part of such an embedded generation would be curtailed due to system constraints and variations of the energy penetration. This part of energy can be recovered by introducing energy storage systems (ESSs) and an optimal dispatch of both active and reactive powers. Therefore, we propose a combined problem formulation for active-reactive optimal power flow (A-R-OPF) in DNs with embedded wind generation and battery storage. The solution provides an optimal operation strategy which ensures the feasibility and enhances the profit significantly. Results of a 41-bus distribution network are presented. It can be demonstrated that more than 12% of energy losses and a large amount of reactive energy to be imported from the transmission network (TN) can be reduced using the proposed approach in comparison to the operation strategy where only active OPF is considered.
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