Experimental Evaluation of a Mobile Charging Station Prototype for Energy Supply Applied to Rural and Isolated Areas in Emergency Situations

Juan José Milón Guzmán (), Sergio Leal Braga, Florian Alain Yannick Pradelle, Mario Enrique Díaz Coa and Cinthia Katherin Infa Mamani
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Juan José Milón Guzmán: Instituto de Energías Renovables, Universidad Tecnológica del Perú, Lima 15046, Peru
Sergio Leal Braga: Departamento de Engenharia Mecânica, Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro 22451-900, Brazil
Florian Alain Yannick Pradelle: Departamento de Engenharia Mecânica, Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro 22451-900, Brazil
Mario Enrique Díaz Coa: Departamento de Engenharia Mecânica, Pontifícia Universidade Católica do Rio de Janeiro, Rio de Janeiro 22451-900, Brazil
Cinthia Katherin Infa Mamani: Instituto de Energías Renovables, Universidad Tecnológica del Perú, Lima 15046, Peru

Energies, 2025, vol. 18, issue 3, 1-16

Abstract: A prototype of a mobile electric charging station was developed to simulate the energy supply to a rural medical post. A 20 m 2 medical post module was built, divided into two rooms (medical staff room and patient room) and a heater, a freezer, a refrigerator, lights and a personal computer were added inside. The mobile electric charging station was made up of an array of 2.88 kW flexible photovoltaic panels, a 48 V and 19.2 kW·h LiFePO 4 battery bank, a charger inverter with a total capacity of 5 kW and a 4 kW electric generator. All of this equipment was placed in an all-terrain pickup truck. Temperature sensors and electrical sensors were installed to evaluate the performance of the prototype in charging and discharging scenarios. Results were obtained according to the operation over 10 months in the city of Arequipa, Peru. The results indicate an indefinite autonomy on clear days, the autonomy varying between 7 and 10 days for a climate with medium cloudiness, and with very cloudy conditions (i.e., with rain), the autonomy is 2 to 3 days. In circumstances of low solar irradiance, the generator had to supply the energy, thereby improving energy autonomy.

Keywords: mobile charger; isolated communities; climatic emergencies; tremors and earthquakes (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2025
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