Author(s)

Mamadou Wade¹, Moussa Gueye¹, Ousmane Sow², Daouda Sow¹, Babou Dione³, Gregoire Sissoko³

¹Laboratory of Sciences and Techniques of Water and Environment, Polytechnic School of Thiès, Thiès, Senegal.
²University Institute of Technology, University of Thiès, Thiès, Sénégal.
³Laboratory of Semiconductors and Solar Energy, Physics Department, Faculty of Science and Technology, University Cheikh Anta Diop, Dakar, Senegal.

This work presents the development of a solar regulator which manages the charge and discharge of a (lead) battery installed in a photovoltaic system in order to extend its lifetime. The regulator is controlled by a microcontroller (PIC16F877A) and protects the battery against overcharging, deep discharge, but also against temperature drifts. The operating principle is based on the control of a DC-DC converter by a rectangular signal MLI generated by the microcontroller. In addition to the protection function of the regulator, there is included a control and monitoring panel consisting of a visualization interface on which the system quantities can be observed. Thus, it will be given to the user to be able to act on the system. This display interface uses as a display an LCD screen and LEDs. Simulation results are presented to illustrate the operation of the proposed solar controller.

Solar Controller, Three-State Charge Algorithm, Battery, DC/DC Converter, Microcontroller, Monitoring

Wade, M. , Gueye, M. , Sow, O. , Sow, D. , Dione, B. and Sissoko, G. (2018) Development of a Solar Controller with MLI Control. Circuits and Systems, 9, 22-40. doi: 10.4236/cs.2018.92003.