Photovoltaic Energy System based on Petri Net Technique Control for Residential Load

Because the need for energy increases due to the continuous increase in world population, and the global energy system will continue to be dominated by fossil fuels over the next 25 years [1], given  the  continued  dominance  of  fossil  fuels,  global  emissions  are  expected  to  grow  quite rapidly, photovoltaic energy has an increased importance in electrical power applications, since it is considered as an essentially inexhaustible and broadly available energy resource. However; the output power provided via the photovoltaic conversion process depends on solar irradiation and temperature which means that, it is an important renewable energy source.

In this paper we will make a simulation work for a residential PV system by a PC programs, the system will be for residential PV load type, where it is possible to provide the power to the loads from PV system or from the grid if the power from the Photovoltaic system is not enough or is absence .