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  • Users: golftennis
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  1. golftennis

    AIR circuit breaker

    Hi All, Air circuit breaker How to check contact resistance using current injection method feed back appriciated.
  2. golftennis

    Motoring effect

    Hi, when two alternators running in parallel due to governer fault the frequency goes down of one of the alternator and the alternator goes into reverse power assuming the reverse power relay does not trip what actually happens to the direction of the motored alternator and other parameters. Thanks
  3. golftennis

    Galvanic seperation

    Hi, I come across this term galvanic seperation is this reffered to optocoupler? Thanks
  4. golftennis

    Insulation check on motor when connected to VFD

    Hi, when a motor 440v connecter to VFD can i measure insulation resistance with 500 volt megger with out disconnecting the motor connection. what are the pros and cons please advice Thanks

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