Flyback configuration based micro-inverter with distributed MPPT of partially shaded PV module and energy recovery scheme
作者： Nataraj Pragallapati , Vivek Agarwal
DOI: 10.1109/PVSC.2013.6745079
关键词: Computer science 、 Topology (electrical circuits) 、 Leakage inductance 、 Solar micro-inverter 、 Maximum power point tracking 、 Electronic engineering 、 Power optimizer 、 Maximum power principle 、 Energy recovery 、 Flyback transformer
摘要: 200W PV modules consist of two or three bypass diodes in the junction box to shaded portions sub-modules when partial shading module occurs. This results multiple peaks Power-Voltage characteristics module. paper proposes a novel flyback configuration based micro-inverter capable extracting maximum power from even during partially conditions. is achieved by incorporating equalization circuit across The consists network series combination diode and `special' winding derived secondary side transformer micro-inverter. also energy recovery primary leakage inductance, main switch turned off. proposed topology features such as extraction available power, capability dc ac conversion. effectiveness investigated confirmed for along with recovery. Operating modes, analysis, control strategy simulation are included.
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