PHOTOVOLTAIC CONVERTER COMPRISING ACTIVE RIPPLE CANCELLING CIRCUIT AND ZVS FULL BRIDGE

摘要

An inverter device has an active ripple cancellation boost circuit being configured to a DC source from a plurality of solar cells and configured to filter an AC current ripple back to the DC source and boost the DC voltage to an intermediary 12-15 voltage range. The device has a wave shaper circuit comprising a phase shift zero voltage switching full bridge circuit and a rectifier energy recovery circuit, the phase shift zero voltage switching full bridge circuit configured to shape the DC source to a half wave rectified 120V to 240V waveform. The device has an analog mixed signal controller module configured to generate a PWM waveform and synchronize the rectified waveform to a grid voltage.