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Over the different Modulation Techniques, Pulse Width Modulation is one of the major renowned modulation strategy, because the pulses are generated based on reference signal and the reference signal is sinusoidal. So many modifications are made in this strategy since PWM era starts in the area of Power Electronics, the modifications are like with the reference or carrier. This paper also discussed...
Most of the Electric drive systems should possess these benchmark properties like linear control, reliability and stable operation. Dc driven machines gain some advantage in these perspectives. The speed control strategies of DC motor plays a vital role in the performance of drive. The main Purpose of speed controller is to take an appropriate signal sample of speed and to bring the motor to that...
Random PWM techniques have been employed in most of the industrial drive applications. Sinusoidal Pulse Width Modulation (SPWM) techniques for AC drives have been developed in the early 1990s, but they failed to yield acceptable level of fundamental voltage. Acoustic noise is found to be more in SPWM. To overcome the drawbacks, Random Pulse Width Modulation (RPWM) techniques are introduced. This paper...
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