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Transcript
IGBT BASED PWM INVERTER USING MICROCONTROLLER ABSTRACT: The aim of the project is to development of inverter using the microcontroller. The attractiveness of the project is to develop the sinusoidal pulse width modulation (spwm) by using the microcontroller. The microcontroller is able to store all the commands to generate the necessary wave forms to control the frequency of the inverter through proper design of the switching pulse. Spwm or sinusoidal pulse width modulation is widely used in power electronics to digitize the power so that a sequence of voltage pulses can be generated by the on and off of the power switches. The pulse width modulation inverter has been the main choice in power electronics for a decade, because of its simple circuitry and rugged control scheme. Spwm technique is widely used in industrial applications. Spwm techniques are characterized by the constant amplitude pulses with variable duty cycle for each pulse. The width of this pulses are modulated to obtain the inverter output voltage control and to reduce its harmonic contents. Spwm or sinusoidal pulse width modulation is the most widely used technique for motor control and inverter application. 1ST FLOOR, ABOVE ANDHRABANK ATM, OPOSITE TO CHANDANA BROTHERS DILSUKHNAGAR, HYDERABAD500060 WWW.LOTUSLIVEPROJECTS.COM , EMAIL: [email protected] CONTACT: 040- 40023300, 9700345745 BLOCK DIAGRAM: 1ST FLOOR, ABOVE ANDHRABANK ATM, OPOSITE TO CHANDANA BROTHERS DILSUKHNAGAR, HYDERABAD500060 WWW.LOTUSLIVEPROJECTS.COM , EMAIL: [email protected] CONTACT: 040- 40023300, 9700345745
