Recent content by cl302i

  1. C

    VFD Heat Generation

    I have dozens of VFDs used to run submersible pumps in an oil field. A particular line of VFDs has been struggling with VFD Overtemperature issues in the summer heat. I have noticed that if I get the drive output voltage above 450 V, the VFD heat sinks are cooler and avoid the temperature...
  2. C

    Fixed Speed Induction Motor Harmonics

    Hello, I am wondering if it is possible for an induction motor in a system could produce harmonics? I had often considered induction motors a non-linear device kind of like a rotating transformer, but I'm told they should only be considered a linear device. The system in question is an oil...
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