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  1. 450exc115

    Heat Generation in a High Speed PM Electric Motor

    I venture to say it is a true High speed motor.. We build turbo machinery using centrifical rotor technology. This particular application is going to run close to 160K RPM and be about 4.5KW. Bearings are no problem as that is one of our signature specialties. Bearing DNs in the 3 million are...
  2. 450exc115

    Heat Generation in a High Speed PM Electric Motor

    Sorry about that. It is a 2 pole brushless PM motor. Current plan for the magnets is a laminate rare earth magnet that we have used in a bunch of other high speed motors. Unfortunately I can't get into the nity gritty details of the project due to the nature of the project (customer and our...
  3. 450exc115

    Heat Generation in a High Speed PM Electric Motor

    Howdy, I am the lead engineer working on a system that uses a high speed PM motor to drive a vacuum pump and blower. I've been working on the cooling requirements for this unit and have been struggling on how much internal cooling Air to supply for the rotor, magnets, and bearings...

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