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  • Users: Naumaan
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  1. Naumaan

    Surge Testing of Motor, Time for application of surge

    Hi, We want to use a PJ high frequency surge tester for surge testing of motors, which can give 50 surges per second upto 40 KV. We use the voltage levels for surge testing which are given in IEEE-522. The way to apply voltage is that it has to be started from 0V upto the highest voltage of...
  2. Naumaan

    Sparking at Carbon Brushes of Main Exciter of Generator. One Thing is Requested to be Explained. !!

    Hi Everyone! Our Generator is rated at 330 MWe. Its excitation current is provided through a Permanent Magnet Generator (58 KW) and Main Exciter(1360 KW). The excitation to Main Exciter is provided by Permanent Magnet Generator using 3 carbon brushes per pole and overall 6 carbon brushes...

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