Abstract
Soft open point (SOP) and distribution network reconfiguration (DNR) are crucial for modern power systems as they address significant challenges in managing power losses and maintaining power quality. SOP is a power electronic device used in distribution networks (DNs) instead of tie lines. It injects reactive power into feeders and transfers active power between them, while DNR involves altering the network topology to improve DN index. In this paper, the effect of DNR, optimal operation of SOP, and simultaneous operation of DNR and SOP are thoroughly investigated and compared on IEEE 33 bus harmonic polluted DN via particle swarm optimization (PSO). These comparisons were performed by considering three loss-based objectives including fundamental and harmonic losses and summation of them, along with one voltage-based objective function assessing voltage stability, and four Total Harmonic Distortion (THD)-based objective functions quantifying harmonic pollution. Simulation results not only demonstrate the importance of optimal operation of SOP in improving losses and power quality but also highlight the synergistic effect of simultaneous operation of DNR and SOP in further enhancing these two objectives. Results provide valuable insights for future research and practical applications in operation and optimizing power distribution systems.
Published Version
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