Control Strategy for an Off-Grid Photovoltaic System in Haiti

This paper proposes a control system for an off-grid photovoltaic system, which can be used to improve the electricity access in poor or developing countries. The PV is composed of three independent closed-loop converters, connected common dc voltage bus. objective proposed adequately power flow through these converters and bus independently on solar irradiation charge/discharge battery-bank while providing ac loads. To achieve this goal, injected link monitored by using two integrated loop that compute difference between input output levels inject extract it from battery bank under distinct operating points. Simulation results are included 1.6 kW validate strategy.