2018-19

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Browsing 2018-19 by Subject "1NH15EC005"

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    IMPLEMENTATION OF SPACE VECTOR PULSE WIDTH MODULATION FOR INVERTERS USING MATLAB AND SIMULINK
    (2019-06-13T10:40:49Z) AKHIL CHOWDARY M; BUJJA AJAY; T S HIMAKEERTHI
    Inverters produce an AC output waveform from a DC source. Three-phase Voltage Source Inverters (VSIs) are used in applications that require sinusoidal voltage waveforms of variable magnitude as well as variabl frequency. These inverters are controlled using control techniques like Sinusoidal PWM (SPWM) and Spac Vector PWM (SVPWM). SVPWM is a sophisticated control technique for generating a fundamental sine wave that provides a higher voltage to the motor and lower total harmonic distortion (THD). Such sophisticated control algorithms become easier to be implement with Field Programmable Gate Arrays (FPGAs) as one of the fundamental advantage is the freedom of parallelism as different parts of FPGA can b configured to perform independent functions simultaneously. The objective of the project is to design and implement a three phase voltage source inverter using SVPWM control algorithm. The two level inverter topology is implemented on Field Programmabl Gate Array(FPGA) is used for implementing SVPWM control algorithm. The control circuit is designed usin an innovative methodology which significantly reduces the complexity of SVPWM implementation. The designed system is tested on a three phase induction motor. The designed system is simulated using MATLAB Simulink software and obtained results ar tested against expected output and verified to be consistent. Future scope of the project is discussed as well.