Answer / ibrahim+8801671121852

lighting arrester is used mainly for balancing the voltages
of any building. when lit comes from the sky the voltages of
any houses is rises. to aviod this rising voltage we used
lighting arrester. but if it passed 3.3kv it doesn't work.
or it would be burned.

what is efficient load of transformer in percentage

4 Answers  

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where solid grounding and where grounding through ngr done and why?

0 Answers   NTPC,

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Hysteresis loss in a core is due to what reason or property of the material used for that core?

1 Answers  

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What is annunciator ?

1 Answers  

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why do we need to use 3c+3e cable, normally i select only 3c+e cable and i think it is enough. pls explain the usefull of 3e cable ( in this project the earthing system is well done)

0 Answers  

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What are all the points to be checked for a newly re-winded motor before installation

1 Answers   Cisco,

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What happens if the capacitive reactance of a transmission line is very high?

5 Answers   ABB, Power Grid,

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I know during Surge Impedance Loading maximum power is transferred through a transmission line and also Sending end voltage becomes equal to Receiving end voltage i.e Vs=Vr so my question is if both end voltages are equal then how current travels in such line hence how power is transmitted because flow of current needs Potential difference??

3 Answers   NTPC,

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Can anyone explain me about the capacitor calculation

0 Answers  

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Short circuit current of 2500 KVA 11/0.415 KV transformer both Secondary and primary side. best regards. Ali

1 Answers  

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What are the advantages of DOL starter?

7 Answers  

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maximum transmission voltage in india ? & where is it situated ?

7 Answers   GIDC, OPTCL,

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