Reliabilty evaluation of Multilevel PV Inverter

What is it about?

aAfive-level modular cascaded H-bridge MLI is analyzed based on gridconnected application for PV energy system, and an independent dc-link voltage controller for each H-bridge is implemented by taking the reference value generated from the maximum power point tracking algorithm of each PV module. The loss and thermal distributions of the different power devices in the MLPVI system are investigated and illustrated for various pulse-width modulation (PWM) controllers

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Why is it important?

an independent dc link voltage controller for each H-bridge is implemented, which improves the system efficiency under mismatching conditions. The loss and thermal distributions of the different power devices in the MLPVI system are investigated and illustrated