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Hello dip04051978


It sounds like you are trying to make a primary resistance starter. To find out more about primary resistance starters have a look at http://www.lmphotonics.com/m_start.htm

In order to correctly calculate the values for resistors, you should know the full voltage start current and torqu, and the torque of the load that you are wishing to start. The power factor of the motor during strt is also very relevent.

To make the start truely snatch free may require several stages of resistance.


You may wish to remove your email address from your post. This is an invitation to spammers who scan all teh web including forums like this. Emails entered during registration are not visible.


Best regards,

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