Simulation of a 13-Level Inverter with Facts Capability for Distributed Energy Systems

In this paper, flexible ac transmission capable wind energy system is shown. Similar to Conventional WEI, between the wind turbine and the grid an inverter is connected which can regulate both active as well as reactive power transferred to the grid. In this inverter proposed here D-STACOM is provided to control the power factor of the feeder lines. This inverter system proposed here can eliminate the use of capacitor banks and Facts devices to control the power factor of the distribution line for small and medium wind turbine generator application. This paper is presented as a view to enhance the use of renewable energy sources in the distribution system. With the help of this proposed system utilities and consumers can also act as supplier of energy. Also this FACTS capable of new type converters will reduce the cost of renewable energy application. To meet the desired IEEE standards for a single phase system such as total harmonic Distortion (THD), efficiency and cost of system a modular multilevel inverter is used here. The control strategy in this to regulate the active and reactive power with the help of power angle and modulation index. Here the proposed inverter system should transfer the active power to the grid while maintaining the PF of the power lines constant irrespective of active power coming from wind turbine. The control strategy is to regulate the active and reactive power with the help of power angle and modulation index. Here the proposed inverter system should transfer the active power to the grid while maintaining the PF of the power lines constant irrespective of active power coming from wind turbine. A 13-level inverter have been simulated in MATLAB/Simulink. The simulation result is validated, by taking the prototype scaled model of proposed inverter system.