Modified H-bridge Multilevel Inverter for Grid Integration with Voltage Balancing Circuit

This paper presents a single source, a five-level modified H-bridge multilevel inverter for grid-integrated renewable energy applications. The switching scheme used is in-phase pulse width modulation (IP-PWM). It is found that the proposed topology has simple switching and is suitable for any loads. The capacitor voltage balance circuit based on the resonant switched capacitor is implemented. This topology is implemented to integrate active power into the grid, and the reactive power compensation, harmonic mitigation are also achieved. The grid current harmonic level is maintained as per the IEEE-519 standard. The system is validated in MATLAB Simulink and verified.