Modeling of Stand-Alone Three-phase Inverter for Various Loads using Space Vector Pulse Width Modulation

This paper describes the design and modeling of a standalone three-phase inverter for various loads using space vector pulse width modulation technique (SVPWM). The SVPWM technique is used to generate gate pulses to make inverter switch to operate periodically. The paper also presents the comparative analysis of the waveforms of phase to phase and phase to neutral voltage for different loads. Switching pattern based on the concept of the conventional space vector pulse width-modulated (SVPWM) technique is also developed for three-phase voltage source inverter. SVPWM technique is used in the paper because of its easier digital realization and better dc bus utilization. The modeling of the entire system and its technique is carried out through Power SIM (PSIM) software.