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  1. AntonK

    PM Electrical machine V/Hz characteristic

    The rotor consists of an aluminum 7075 shaft, iron m-235 which is placed in the center and 2 magnets NdFeB. The shaft's length is 90mm and the length of the active core is 45. Can you tell me what other construction details do you need?
  2. AntonK

    PM Electrical machine V/Hz characteristic

    Thank you waross for your answer. One of three phases is linear and the other two are oscillated. Why this is happen? Also i forgot to mention that we rotated the rotor using a drill, but we checked it four times with no changes.
  3. AntonK

    PM Electrical machine V/Hz characteristic

    Hi guys, i would like to give me your opinions about a problem i have. In our university laboratory we have designed and built a permanent magnet electrical machine and when we test it the Voltage/Frequency characteristic is not constant as we expected. You can find the graph on the link below...

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