A simulation Model for Predicting the Performance of PV Powered Space Heating System in Egypt

Abstract

Due to the increasing demand for clean,

accessible, unexhausted and more economical

energy sources, the utilization of solar energy is

gaining worldwide momentum. In this work,

two main renewable energy resources are

considered, the solar energy and biomass

energy. The mathematical model and simulation

of the global space heating system components

(the thermal and the electrical subsystems) are

developed.

The PI controller is developed to provide the

space heating system with the suitable actions,

which directly adjust the water flow rate

through the space heating equipment (i.e. hot

water radiator) using thermostatic valves to fix

the indoor temperature at 25 oC

It is observed that the overall power

management strategy is effective and the power

flows among the PV arrays, batteries and the

load demand is balanced successfully in the

electrical subsystem .While in the thermal

subsystem, the results show that the designed

control techniques enables the space heating

system to be in correct operation during night

hours d cloudy days.