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<p>This paper presents the optimal allocation of shunt compensators (SHCs) in the PV-integrated distribution network to minimize energy losses. SHCs are power-electronic-based compensators designed to mitigate harmonic content in the line current by providing reactive power compensation. Particle Swarm Optimisation (PSO) is utilized to determine the optimal positions of SHCs, and the objective function is developed to minimize the energy losses of the network. The constraints of voltage, thermal, and power balance are considered while minimizing the energy losses. The forward-backward sweep load flow algorithm determines the voltages and currents in the network. Eventually, energy losses are calculated considering the daily load and PV generation profile. The locations and ratings of SHCs are determined at different PV penetration levels. Furthermore, in all cases, an equal amount of PV is integrated into all the buses in the network except the substation bus. The proposed methodology is validated on the 33-bus and 69-bus distribution networks. The results show that the SHC integration in PV-integrated distribution networks significantly reduces energy loss. Furthermore, the results specify that the number of SHCs that need to be incorporated into the network depends on the network dimensions.</p>

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Energy loss minimisation for photovoltaic integrated distribution networks with the optimal placement of multiple shunt compensators

  • 期刊论文

  • 发表日期：

    2025年7月31日

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  • Vamsi Priya Goli,
  • Sanjib Ganguly

摘要

This paper presents the optimal allocation of shunt compensators (SHCs) in the PV-integrated distribution network to minimize energy losses. SHCs are power-electronic-based compensators designed to mitigate harmonic content in the line current by providing reactive power compensation. Particle Swarm Optimisation (PSO) is utilized to determine the optimal positions of SHCs, and the objective function is developed to minimize the energy losses of the network. The constraints of voltage, thermal, and power balance are considered while minimizing the energy losses. The forward-backward sweep load flow algorithm determines the voltages and currents in the network. Eventually, energy losses are calculated considering the daily load and PV generation profile. The locations and ratings of SHCs are determined at different PV penetration levels. Furthermore, in all cases, an equal amount of PV is integrated into all the buses in the network except the substation bus. The proposed methodology is validated on the 33-bus and 69-bus distribution networks. The results show that the SHC integration in PV-integrated distribution networks significantly reduces energy loss. Furthermore, the results specify that the number of SHCs that need to be incorporated into the network depends on the network dimensions.