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  1. rasiga

    running a 220Vac/50Hz motor at 110Vac/60Hz

    At this moment I don't know the motor characteristics; this is an upcoming project. The question is: can we run the motor for a couple of hours without burning it? We need to run the motor just for testing purposes. I tend to believe we can do that with no problems. Any help is welcomed.
  2. rasiga

    Megger versus hi-pot testing

    Rhatcher The power circuits are: main generator, companion alternator, traction motors, high voltage cables, power contactors and eventually dynamic brake circuits. the traction motors could either be dc or ac machines; the 2 generators are always ac machines. Rhatcher&electricpete the maximum...
  3. rasiga

    Megger versus hi-pot testing

    Busbar the test is a go/no go. I could not see which site you refer to?. Electricpete As you can see from my initial posting we use a 2400Vac. (the tripping current is set-up at 1A). Thanks for the site. My point is that, while everybody agree that the megger testing is less destructive than...
  4. rasiga

    Megger versus hi-pot testing

    Hello everybody I'm looking for some informations about the subject; I would appreciate any help (links, disscussions, etc.). My particular case is diesel-electric locomotives; currently we are testing the power circuits as follow: 1) perform ohmmeter check first; 2) megger with 1000Vdc for 15...

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