I'm using an AVR Mega 168 to generate a sine wave via pulse width modulation. My goal is to generate a sine wave with a frequency of approximately 50Hz. I understand that the PWM frequency needs to be as fast possible so its easier to attenuate in the filter. ....etc

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I need this ppt. So please allow to download this..for that i shall be greatful to you..

sanjaya kumar sahu ....etc

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looking for multiple pulse pwm inverter matlab implementation . ....etc

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A Neural-Network-Based Space-Vector
PWM Controller for Voltage-Fed
Inverter Induction Motor Drive


abstract

neural-network-based implementation of
space-vector modulation (SVM) of a voltage-fed inverter has been
proposed in this paper that fully covers the undermodulation and
overmodulation regions linearly extending operation smoothly
up to square wave. A neural network has the advantage of very
fast implementation of an SVM algorithm that can increase the
converter switching frequency, particul ....etc

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to get information about the topic PWM based Inverter fed Induction MotorIntroduction to Pulse Width Modulation full report refer the page link bellow
http://seminarsprojects.net/Thread-pwm-based-inverter-fed-induction-motorintroduction-to-pulse-width-modulation-pwm-in ....etc

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Abstract
This paper presents the performance evaluation of the fuzzy and PI control system applied to Permanent- Magnet Brushless DC Motor (PMBLDCM) with different PWM techniques. At first the comparison analysis is made between SPWM and SVPWM inverter fed PMBLDCM with the implementation of PI controller. From the analysis of Total harmonic distortion (THD) in the inverter current, SVPWM technique was found to be better than SPWM technique. However, the PI controller has some disadvantages such as: high starting ove ....etc

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HELLO SIR,
I am interested in the topic named PWM based inverter using AVR as my project. So kindly send the ABSTRACT as soon as possible. And also the necessary material required to built it into a shape.
thank you. ....etc

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Pulse Width Modulation is widely used in power electronics as a controller in power conversion and motion control. Among different types of modulating modes the Sinusoidal Pulse Width Modulation (SPWM) and Space Vector PWM are two common strategies in adjustable speed drive system. The Pulse width of SPWM varies with the Sine wave so as to restrain the lower order harmonics with easy control and large D C utilization. With successively improving reliability and performance of digital controllers, the digital control techniques have predominated ....etc

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Abstract:
The number of industry applications in which induction motors are fed by static frequency inverters is growing fast and, although much has already been done within this field, there is still a lot to be studied/understood regarding such applications. The advance of variable speed drives systems engineering increasingly leads to the need of specific technical guidance provision by electrical machines and drives manufacturers, In this paper we have studied and developed a simulink model with PWM inverter and find out the variou ....etc

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CARRIER PWM ALGORITHM FOR MULTILEG MULTILEVEL INVERTER

Nguyen-Van Nho1 and Hong-Hee Lee2
1Faculty of EE, HCMUT, 268 Ly Thuong Kiet, District 10, Hochiminh City, Vietnam
2Department of EE, UOU, 680-749 San 29, Muger 2-dong, Ulsan, Korea


ABSTRACT
This paper presents a universal carrier based PWM method for multileg multilevel inverter on consideration of unbalanced dc voltage sources. Switching time diagram of PWM control in multilevel inverter can be transformed into a nominal switching two-level diagram. It will be shown ....etc

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