Design Of Single Phase H-Bridge Multilevel Inverter By Using Microcontroller

Ab. Aziz, Nur Adlina (2016) Design Of Single Phase H-Bridge Multilevel Inverter By Using Microcontroller. Project Report. UTeM, Melaka, Malaysia. (Submitted)

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Abstract

The demand of producing electrical power by using renewable energy is increasing from day to day. Regarding to this matter, modern power electronic technology becomes important as it involves in generation of power electric in renewable energy and also the integration of renewable energy to the electricity grid. An inverter is needed for the distributed power generation in order to convert a DC power to AC power. As the need of producing higher power for the industrial section, the new breed of power converter, a multilevel inverter is emerged. The multilevel inverter began with the three-level cascaded H-bridge multilevel inverter. Then, it comes up with the other topologies. The most popular topologies are diode-clamped, flying capacitor and also cascaded multilevel inverters. This project report involves the single phase H-bridge multilevel inverter. This type of multilevel inverter has many applications nowadays. In renewable energy power generating system, this type of multilevel is suitable to be applied to the photovoltaic system as it satisfies the requirements of solar system. The idea of performing a multilevel inverter over the conventional inverter is to synthesize the stair-case voltage waveform by reducing the harmonics. It is developed by using MOSFET and have a separate DC sources for every each of the full bridge.

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