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  1. 11-09-2017 #12
    magicniner's Avatar
    Lives in Rotherham, United Kingdom.
    magicniner
    Last Activity: 05-05-2024 Forum Superstar, has done so much to help others, they deserve a medal. Has been a member for 9-10 years. Has a total post count of 2,021. Received thanks 230 times, giving thanks to others 42 times.
    Quote Originally Posted by Edward View Post
    BTW, do you happen to know the Motor stall current x 1/VFD efficiency of the typical Huanyang/2.2Kw combo? I just can't find it anywhere in the instructions:)
    Motor stall current should be on the manufacturer's spec sheet for the motor, VFD efficiency should be on the manufacturer's spec sheet for the VFD but you do to some extent get what you pay for.

    If these are not available then ball park figures can be used from a device of similar specification from a manufacturer that does publish technical data and you'll still be closer to the number you are trying to get than you would be with a clamp meter, spindle running with no/moderate load.

    - Nick
    Last edited by magicniner; 11-09-2017 at 11:05 AM.
    You think that's too expensive? You're not a Model Engineer are you? :D
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