Recent content by JOmega

  1. J

    RPM vs Torque, I, Mech HP, Eff, and Fp of an Induction Motor

    Try to google for the equvivalent circuit for induction motor. There you will have all the equations you need, presuming you have the values for the motor impedances.
  2. J

    Is there any quantum mechanics in electrical engineering?

    Doesn't Townsend breakdown criteria involve some part of QM, when calculating the probabilties of breakdown?
  3. J

    Explaining reactive power on a subatomic level

    I am currently studying electric power engineering, which in my case is most about models and approximations, which makes it hard to understand the real physics behind some of the model. I would say that I understand the definition of current and voltage. But is it possible to explain the...
  4. J

    What is the difference between apparent, reactive, and real power?

    The apparent power is a complex number, S=P+jQ. I'd think of it as active power is the energy that feeds the load. Reactive power can't be really be used to feed a load, though it stresses components and transmission lines. Therefore you have to dimension everything according to the apparent...
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