Abstract
Three-phase two-level inverters using space vector modulation (SVPWM) technology are one of the most popular inverter architectures today. The process of designing and manufacturing inverter systems usually goes through the following stages: simulation, hardware design, software programming on MCU, editing … In this article, we will focus on problem researching and implementing the SVPWM algorithm on an Arduino in detail. Besides, it is also based on the experimental survey of the inverter’s parameters, analyzing and proposing improved solutions for the inverter to operate optimally. SVPWM algorithm is tested on Arduino Mega 2560 board and small power inverter model.
Highlights
AC controlled drives are widely used in industrial power supply, housing and public services
The technique of controlling the power switches in the inverter is used by many different methods such as Hysteresis Current Controller; Sinusoidal Pulse Width Modulation; Discontinuous Pulse Width Modulation and Space Vector Pulse Width Modulation [3]
Implementing an SVPWM is difficult because it requires complex math operations
Summary
AC controlled drives are widely used in industrial power supply, housing and public services. The technique of controlling the power switches in the inverter is used by many different methods such as Hysteresis Current Controller; Sinusoidal Pulse Width Modulation; Discontinuous Pulse Width Modulation and Space Vector Pulse Width Modulation [3]. Space vector modulation (SVPWM) is very different from other PWM techniques This is a more complicated method to generate a sinusoidal voltage with a higher voltage amplitude across a motor with less total harmonic distortion. With the development of Microcontroller, DSP or FPGA and neural networks, it allows the implementation of Space Vector PWM control algorithms more and is capable of performing many complex drive control applications of 3-phase electric motors [4-8]. The study aims to build a three-phase 2-level inverter with open-loop type, controlled by SVPWM algorithm on Aduino microcontroller, 220V single-phase input power source, 380V three-phase output voltage, supplied to the load is motor with a capacity of less than 1KW. In addition to easy survey of the parameters, an LCD display is used, for displaying the inverter's operating modes, current values, voltage values of input, and output
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