Control of a Photovoltaic-battery grid-connected multi-source system under different operating conditions

This paper deals with the control of a grid-connected multi-source power system based on photovoltaic (PV) array and battery energy storage (ESS), taking into account variable intermittent characteristics solar irradiation level ambient temperature in Morocco. The PV generator is connected via dc-dc boost converter to common dc bus which through bidirectional ESS. output mains PWM dc-ac an LCL filter. technique consists three parts: considered as primary source controlled locally generate maximum extraction (MPPT), while ESS ensure balance according flow under different conditions. inverter regulate DC voltage maintain factor at unit. implemented Matlab/Simulink environment. effectiveness strategy carried out by simulation results.