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Hardware Implementation of the Cascaded H-Bridge Inverter using ARM Cortex M4 Microcontroller

Hardware Implementation of the Cascaded H-Bridge Inverter using ARM Cortex M4 Microcontroller

AbstractA multilevel inverter is preferred over other power electronic converters for its advantages like low switching power loss, lesser harmonics, and reduced stress on switches. Cascaded H-Bridge (CHB) topology of the multilevel inverter is more popular because of its modular arrangement and non requirement of balancing or pre-charging of capacitors. In this paper, a constant voltage to frequency (V/f) ratio control of an induction motor is implemented using fivelevel CHB inverter. To obtain high-quality sinusoidal output current with reduced harmonics, multicarrier level shifted Pulse Width Modulation (PWM) scheme is implemented. The main aim of this work is to demonstrate easy realisation of CHB inverter using ST Microelectronics ARM Cortex M4 microcontroller STM32F407VG. For rapid development of control signals, the microcontroller is programmed using block sets in MATLAB/Simulink environment. Experimental investigations are carried out and results are presented to demonstrate easy implementation of CHB inverter applied for variable speed control of induction motor.
Item TypeJournal Article
TitleHardware Implementation of the Cascaded H- Bridge Inverter using ARM Cortex M4 Microcontroller
AuthorMulla, Mahmadasraf A
Page8
LanguageEnglish
Date2020
URLhttp://www.engineeringletters.com/issues_v28/issue_3/EL_28_3_24.pdf
TagsCascaded H-bridge, Induction motor drive, Multicarrier SPWM, Multilevel inverter, Speed control

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