Answer / subhendu

Normally by thumb rule we can take, for Al cable it is 1.5 times(Amp) of its sq mm size, and in copper cable it is 2.5 times .

What is the purpose of reactor.why we used in over head line?

2 Answers  

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If only R Phase is connected in 2 pole elcb, n is not connected than it will work or not in ground fault.

0 Answers  

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why can tv operate at low voltage??

2 Answers  

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IP55 protection stands for

1 Answers   Hofincons,

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How current is reduced in STAR connection?

6 Answers  

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xlpe cable 4 core nuetral wire is small why ?

3 Answers  

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* Signal transmission in sky wave propagation is due to ? a) Reforction of wave b) Reflection of wave c) Pierus through Inosphere d) None and Reason for this is????

2 Answers  

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what is the role of frequency in electrical system

2 Answers   Hindalco,

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why most of the induction motors are delta connected?

7 Answers  

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What is PTZ Camera???

3 Answers   Cherrytec, CSC, Honeywell, Zicom,

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direction of tarbine& genrator

0 Answers   Sandvik,

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how to calculate no load losses units comsumed by transformer

2 Answers   MRF,

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