A Four Level Interleaved Boost Converter with a Voltage Multiplier for High Voltage Applications

The paper focuses on the development of a 4 level interleaved boost converter with a two level voltage multiplier circuit at the output. The proposed circuit consists of interleaved configuration of boost converters and the output of the interleaved configuration is equipped with the voltage multiplier circuit. The interleaved configuration will reduce the ripples in the output voltage and have increased efficiency of operation in comparison with a conventional boost converter, which further reduces the filtering requirements of the converter configuration. The output voltage was boosted to around 1425 V from a voltage of 200 V utilizing the voltage multiplier configuration. Matlab Simulink model of the configuration was designed and implemented, and the corresponding voltage and current waveforms were analyzed. The proposed topology has a high voltage gain when compared to a 4 level interleaved converter.