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Unipolar And Bipolar PWM Inverter FEd Induction Motor Drive


Neeraj Kumar Kushwah , Samrat Ashok Technological Institue, Vidisha (M.P); Jitendra Singh Shakya, Samrat Ashok Technological Institue, Vidisha (M.P)


Unipolar, Bipolar, Inverter, Over PWM Modulation, Induction Motor drive


Sinusoidal pulse width modulation or SPWM is widely used in power electronics. To digitize the power so that a sequence of voltage pulses is generated by ON or OFF of the power switches the pulse width modulation inverter has been the main alternative in power electronic for many years as a result of its circuit simplicity and rugged control scheme SPWM switching technique utilized in used in industrial applications SPWM techniques are characterized by constant amplitude pulses is completely different duty cycle for each period the width of this pulses are modulated to obtain inverter output voltage control to diminished its harmonic content ,Sinusoidal pulse width modulation or SPWM is that technique to used in motor control and Inverter application in this thesis development a unipolar and bipolar SPWM voltage modulation type is given as a result of this method offers the advantage of effectively doubling the changed frequency of the Inverter voltage making the output filter smaller cheaper and easier to generate with this signal triangle wave as a carrier signal is compared to the sinusoidal wave whose frequency is the desired frequency. In this thesis single-phase inverters and their in operation principles are analyzed very well the concept of sinusoidal Pulse Width Modulation or PWM for inverters is explain with analyses extended to different kinds of SPWM strategies.

Other Details

Paper ID: IJSRDV3I90492
Published in: Volume : 3, Issue : 9
Publication Date: 01/12/2015
Page(s): 910-914

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