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  1. h0001244

    Cable / Cable Jointing / Termination Books

    Could anyone introduce some books regarding Cable (cable design, cable structure) / Cable Jointing (theory / design) / Termination here ? Happy if it is free.......PDF is better for reading as well Thank you..........
  2. h0001244

    What Test should be done for New Cables ?

    Thanks all.... I didn't know that the VLF test and PD(what's that?) is for establishing the baseline data...... What is the data for? What's the theory behind?
  3. h0001244

    Inrush Current in HV winding ? Input 380V at 11kV/380V Tx HV side

    Thanks all... What makes the difference when core is not saturated? I mean, does it mean that the inrush current would be smaller when core is not saturated?
  4. h0001244

    What Test should be done for New Cables ?

    When new drums of 11kV Cables arrived at site, what test should be done?
  5. h0001244

    Inrush Current in HV winding ? Input 380V at 11kV/380V Tx HV side

    Thanks Kiribanda....... Is IEC world having a big difference? In fact I am very young and have no idea on the difference of the standard. Can you tell me more? Could we just treat it as electrical apparatus in this case? I measured difference between Va-VB and Va-VC, but when I think of the...
  6. h0001244

    Transposing 11kV Cables

    The cables are laid in flat formation with 3 single core cables....for normally 200M to 500M........not so long
  7. h0001244

    Transposing 11kV Cables

    I don't mean the number-number or colour-colour. But they intentionally swap the cables in the middle of the route like below a------\ /-----c b------\/------a c------/-------b
  8. h0001244

    Inrush Current in HV winding ? Input 380V at 11kV/380V Tx HV side

    My boss asked me to distinguish Dy11 and Dy1 in very low cost. Tx: 11kV / 380V Dy11 1.5MVA transformer My suggestion is that simply input 380V 3phase domestic supply into HV side of 11kV/380V, then we can get around 13V at LV side. Connect the supply neutral to LV neutral. Now we have VA,VB,VC...
  9. h0001244

    Limiting Values on Transformer Inrush

    So sorry, I have no idea what FLA is. Can anyone explain a bit more here, please?
  10. h0001244

    Transposing 11kV Cables

    My project involves 11kV cable replacement works I found that existing cable adopts transposition of cables that means one end it is arranged in a,b,c and other end, it's arranged in c,a,b something like that. Why we need transposing the cable in middle of the circuit?

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