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Can Siemens G120 Frequency Converter Drive Permanent Magnet Synchronous Motor?
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That's a good question. We have many customers who use it, so we can tell you clearly that there is no problem.
Specific operation is that when the G120 converter drives PMSM, the P0300 parameters need to choose synchronous motor when configuring, if not, the default is the type of asynchronous motor. So for the G120 drive permanent magnet synchronous motor, the programmable V/F control mode is recommended, mainly considering the situation that the synchronous motor needs large output at low frequency.
About the G120 inverter-driven permanent magnet synchronous motor, you can go to Siemens Video Learning Center for a look. We have a video tutorial called G120 drive permanent magnet synchronous motor, which mainly talks about three parts:
** The calculation of back EMF of permanent magnet synchronous motor is introduced.
The second part introduces how to use * small current method to find the voltage-frequency ratio curve. I just suggested that the programmable V/F control mode should be used when the frequency converter drives the permanent magnet synchronous motor. The video will show how to find the curve.
The third part talks about the setting of parameters of G120 drive permanent magnet synchronous motor.
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