Answer / aditya199307@gmail.com

For weather condition protection we will use various thing for indoor machines there is no need but for outdoor ie:-
for transformer we use LA
For motor & Generator we use Canopy
In summer time we use cooling arrangement for substation for CT & PT units.

WHAT IS THE DIFFERENCE BETWEEN RESISANTANCE AND IMPEDANCE IF IMPEDANCE IS MORE THAN RESISTANCE AT SAME VOLTAGE CAN WE HAVE RELATION DERIEVED BETWEEN THEM

4 Answers  

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please write motor, transformer, Generator setting, fault level calculation of Tr.etc

0 Answers  

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list the type of vfd? wich is sutable for heating kiln?

0 Answers   AluChem,

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what is the difference between starter and control panel..?

4 Answers  

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how electrical earthing maintenance done in industry?

0 Answers   L&T,

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which one cable has a more resistance.A big or small

2 Answers  

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Why HT voltages are expressed in 11KV,22KV,33KV and so on? (ie in times of 11)

3 Answers   Bhel, Park Hotel,

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IN 3 phase induction motor where we give i/p supply & how its working ?

2 Answers  

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in 4 pole lap wound dc motor one brush is disconnected then what result in new voltage if its voltage is v volts power is p watts current is i amp

1 Answers   GATE,

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which Machine u will prefer to use at place where Flammable gases are coming out & why ??

6 Answers   NTPC,

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URGENT PLEASE//////////A WORK SHOP IS HAVING A 100 KVA TRANSFORMER 11KV/415 VOLTS, AND THE CONNECTED LOAD OF THE WORK SHOP IS 80 KW WITH INDUCTIVE LOADS, LIGHTING LOADS,ETC., HOW MANY EARTH ELECTRODES ARE NEEDED AND WHAT IS THE EARTH RESISTANCE OF EACH EARTH ELECTRODE AND COMBINED EARTH RESISTANCE in normal soil. AT 11 KV SIDE AND AT LT SIDE. HOW TO CALCULATE.

1 Answers  

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Can transformer develop three phase power from a single phase source?

12 Answers   ONGC,

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