Answer / vivek

Transformer because it is a static device and thus the
efficiency is higher .

Answer / naresh

bcoz in case of d.c generator additional losses are present
like frictional and windage losses.....

Dear sir, my knowledge about cable size determination is limited. Though I read examples I could not calculate the Cable size required for electric driven pump 40 KW, 380 Volt, 50 HZ, 50 meter from transformer and it is three phase star delta starting. Please help as there is no one in my surroundings to help.

0 Answers  

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i need to give section engineer (electrical engineer) for RRB. Please suggest some book

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HOW EFFICIENTLY LOAD IS SHARED BETWEEN ALTERNATORS

1 Answers  

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How to calculate the time setting for star connection in star delta starter? For example 10KW 3PH Induction motor.

0 Answers   Taj Group, Tata Steel Limited,

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Which standard i will refer for size of earthing conductor for equipment? (Eg:415V Switchgear, MCC, DB shall be 50x6mm GI flat)

1 Answers  

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What is the meaning of insulation leavel LI 75 AC 28 About scott transformer spcification

1 Answers  

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Please send specifications for 1000KVA dry type transformer or where I can get the specifications?

2 Answers   PSU,

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why we usually call 415 volts instead of 440 volts

3 Answers   S Tech,

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Why Aluminium wires are used for High tension(HT) lines? 11 KVA/32KVA & aboue

6 Answers  

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What is bandpass of a transformer?

2 Answers  

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Why AC current leads voltage in capacitor and how?

0 Answers   BMB,

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I WANT TO KNOW LONGFORM OF CT/PT USEDIN POWER PROJECTS OR HT SWITCH YARD.

7 Answers  

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