Modeling and Designing of Transformerless Inverter for Grid Connected Photovoltaic Generation System with Active as well as Reactive Power Control Strategy

The photovoltaic system which consist of solar panel absorbs sunlight and convert into electricity in DC voltage. Transformerless single-phase inverter design for low cost, small size, light weight, and high efficiency. So many transformerless topologies have been enforced and verified with real power injection. Small amount of reactive power handle by grid-tied inverter also. Reactive power injection into the utility grid should maintain voltage instability. The result of this system may be implemented by using MOSFET switches whenever inject reactive power into utility grid. Finally, overall system simulated by using MATLAB and result are also analyzed.