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  • Users: xuxu
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  1. xuxu

    Electrical protection(cross-country faults)

    Hi everyone... I would like to Know what is meant by cross country faults? when and why it happens? if you can supply me a specific example it will be greatfull... Regards Xuxu
  2. xuxu

    curremt transformer

    hi everyone... what will happen if i connect a current transformer of ratio 600/5 in a line that the full load current is 150 Amp? and what will happen in case of full load current is 600 Amps and CT is 150/5? Regars xuxu
  3. xuxu

    Electrical Protection

    Hi.. I have one directional Earth fault(51N)relay that trips in the opposite direction(reverse).. what must i do to trip in the direction that is supposed to be triping? must i chang the VT or CT polarity? Or must i chang Both? Regards.. xuxu
  4. xuxu

    Transfomers in parallel

    can anybody tell me what are the steps tha i have to follow to switch on two tranformes in parallel?
  5. xuxu

    delta star tranformer

    we have delta star transformer with star point grounded. my question is: in case of earth on star side will relay on delta side see the fault? if not,what happens with the currents on the delta side during the earth fault?

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