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  • Users: sho2010
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  1. sho2010

    V/RPM to V/(rad/s) in electrical radians conversion

    If Ke = V/RPM, converting to mechanical radians would be: 60s/(2*pi radians) =9.55V/(rad/s). Converting to electrical radians: we would multiply the above by (pole pairs * radians mech) / (radians elec). Thus converting V/RPM directly to electrical radians would be: : (pole pairs * 60s)/(2*pi...
  2. sho2010

    PM Alternator Phase Losses

    If I have 10 sets of 3-phase windings on a stator where each of their neutrals are isolated from each other ("Y" types), If I begin to connect each set to a 3-phase rectifier one by one, why would I have to keep raising the RPM of the machine to maintain the "expected" current out? For example...
  3. sho2010

    BLDC (PM) motor mystery

    In my case I received a motor and was told it was wound for a DC Link of around 600VDC and could spin at speeds of up to 24000RPM. In actuality it was wound for 350VDC link for 24000RPM. How can I tell if a BLDC motor is wound for the proper voltage based on the following caveats which is all...

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