Dr471e Posted June 25, 2012 Report Share Posted June 25, 2012 is there anyone has schematic of 3 phase inverter using MOSFET that successfully tested for driveing induction motor 220V?i build 3 phase inverter using MOSFET IRFP460. but, the problem is i can't drive the motor.Email removed by moderator - we don't help via email. Quote Link to comment Share on other sites More sharing options...
Kevin Weddle Posted June 25, 2012 Report Share Posted June 25, 2012 I don't know of any inverters that can power 220V motors. A 110V inverter is useful for powering small appliances from a battery, but it is better to purchase one because of the complexity of their design. If you can't get the motor to turn, either the motor voltage or the frequency is too low. Quote Link to comment Share on other sites More sharing options...
Dr471e Posted July 1, 2012 Author Report Share Posted July 1, 2012 I don't know of any inverters that can power 220V motors. A 110V inverter is useful for powering small appliances from a battery, but it is better to purchase one because of the complexity of their design. If you can't get the motor to turn, either the motor voltage or the frequency is too low.the phase of frequency is right, 120 degree because i drive my inverter using 180 degree conduction.i drive my 6 MOSFETs using IC IR2130. output voltage is 15 volt. everytime i drive my inverter with DC voltage above 15 volts, the output voltage is always 15 volts, no change. how can it be possible? Quote Link to comment Share on other sites More sharing options...
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