Answer / mathew

63A

Why we make earth connection with Transformer Body and What will be the minimum size of copper wire as per code with respect to KVA rating of Transformer?

0 Answers  

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what is XLPE cable?

2 Answers   Essar,

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at meter room 50 hrc switch installed,but there are not get earthing proper,so what happen?and 11kv transformer out put going in to hrc main 400a three nog each? so earthing is require for all switch? (some customer made earthing at there home.)

0 Answers   Ebrahim Textile, Siemens,

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what is earthed and inearthed cable or system?

1 Answers   CCCL, L&T,

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What is the maximum allowed kwa through 2.5mm cable. Electric company installed 2 electric meter at my premises . Two jumper wires of 2.5 mm are used to connect . 2 single phase meters with allowable load 6 and 3 kwa. These jumper wires are taken from a 3 phase electric meter. Meters are in open Sun. What max load these wires can take.

0 Answers   KESC,

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why there is a humming noise in transformer

6 Answers  

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what is surge??

1 Answers  

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Is a induction motor rotate by back emf ? If not , then how it is rotate ?

1 Answers  

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condition Autotrip facia come on control panel of electrical transmission line?

0 Answers   Getco,

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Why the output of OP-AMP is always less than Vcc?

0 Answers  

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short circuit test of transformer gives what?

9 Answers   NTPC,

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i have one transformer 1000kva, 11/.433kv. we are using 200/5 amp. ct unit for measuring purpose, & one 800 amp. V.C.B Unit for the same t/f operate, i wants to known the primary current of T/F is only 53 amp. why we used 800 amp. V.C.B ? & 200/5 amp. CT Unit.

4 Answers  

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