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Increasing RES Hosting Capacity in Distribution Networks Through Closed-Loop Reconfiguration and Volt/VAr Control

2022; Institute of Electrical and Electronics Engineers; Volume: 58; Issue: 4 Linguagem: Inglês

10.1109/tia.2022.3177175

1939-9367

Juan M. Home-Ortiz, Leonardo H. Macedo, Renzo Vargas, Rubén Romero, José Roberto Sanches Mantovani, João P. S. Catalào,

Smart Grid Energy Management

This article presents a novel mixed-integer second-order cone programming model to increase the photovoltaic (PV) hosting capacity and optimize the operation of distribution networks. The problem considers voltage and reactive (Volt/VAr) control through the optimal operation of capacitors banks, substations' on-load tap changers, voltage regulators, and network reconfiguration with radial and closed-loop operation topologies. The proposed formulation considers voltage-dependent models for loads and capacitor banks. The objective function maximizes the PV hosting capacity of the network. Numerical experiments are carried out using the 33-node and the 85-node networks. Results demonstrate the effectiveness of the proposed formulation to increase the penetration of PV sources, especially when the closed-loop operation is allowed, together with network reconfiguration and Volt/VAr control.