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oai:recercat.cat:2117/984672026-04-15T07:08:14Zcom_2072_1033col_2072_452950

Reactive power control for loss minimization in low-voltage distributed generation systems Martí Colom, Pau Velasco García, Manel Torres Martínez, Javier Miret Tomàs, Jaume Castilla Fernández, Miguel Universitat Politècnica de Catalunya. Departament d'Enginyeria de Sistemes, Automàtica i Informàtica Industrial Universitat Politècnica de Catalunya. Departament d'Enginyeria Electrònica Universitat Politècnica de Catalunya. GRINS - Grup de Recerca en Robòtica Intel·ligent i Sistemes Universitat Politècnica de Catalunya. SEPIC - Sistemes Electrònics de Potència i de Control Àrees temàtiques de la UPC::Enginyeria elèctrica::Distribució d’energia elèctrica Low voltage systems Distributed power generation Reactive power Voltage regulators Distributed generation system Grid operation Loss minimization Optimal controls Power loss minimizations Practical controls Solar inverter Statutory limits Energia elèctrica -- Distribució Dispersed small distributed generation (DG) systems in low-voltage (LV) grids pose diverse challenges for successful grid operation. The main one is to guarantee power quality by ensuring that voltages along all the feeders in the network are within the permissible bounds. In addition, voltage regulation by means of reactive power control can be used to achieve side benefits such as power loss minimization. The contribution of this paper is to analyze optimal control settings for solar inverters in such a way that reactive power control keeps local voltages within the statutory limits while overall losses are minimized. The expected output of a simulated realistic case study is a set of simple but practical control design guidelines for future LV grids deployment. © 2016 IEEE. Peer Reviewed Postprint (published version) 2016 Conference report Marti, P., Velasco, M., Torres, J., Miret, J., Castilla, M. Reactive power control for loss minimization in low-voltage distributed generation systems. A: IEEE International Conference on Control and Automation. "12th IEEE International Conference on Control and Automation, ICCA 2016". Kathmandu: 2016, p. 371-376. 9781509017386 https://hdl.handle.net/2117/98467 10.1109/ICCA.2016.7505305 eng Restricted access - publisher's policy 6 p. application/pdf