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hai all,i am doing 3 phase ac motor drive.Now i have a problem that the input voltage for drive is 440-volt AC and it should be rectify to dc and after removing the ripples the voltage should be increased and i have to give the voltage to igbt's emitter and the output for igbt is nearly...
hai all,is there any variation in the voltage when supply frequency changed.It is must in ac drive that the frequency and voltage should be constant according to the v/f method.Then only the torque must be constant.For that we are doubted and guys please help me.
we are doing a project on ac motor controlling.For that we should vary the supply frequency.we heard about IGBT.Actually how IGBT vary the width of the supply and do you have any suggestion for doing that and which microcontroller is more suitable for doing that.
we are doing voltage signal conditioning from (6v to -9v dc) to (0-5v dc).But we cannot get that.Could you please give me a solution with detailed circuit diagram.
hai all,we are doing a project of ac motor controlling.could you please tell which is the most efficient method for doing that and shall you please tell which microcontroller is suitable.
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