how to develope the switching pulses for DTC of induction motor in dspace1104

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hello sir, i was developed the DTC of induction motor its working fine in mat- lab simulink with dSPACE1104 i was observed the switching pulses in CRO but problem is when i was applied these pulses with DAC to IGBT inverter its. not triggered. please tell me the solution.

Answers (2)

Suresh
Suresh on 24 Dec 2011
For urs question,better u try it out with dsPIC processor or in any other controller in order to generate the switching pulses to the inverter/converters

Manikandan
Manikandan on 18 Jul 2014
You should use PWM output pulses instant of DAC, then seperate IGBT gate driver and opto isolator circuits should be connected. then only IGBT will trigger.

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