why we use 110vac in overhead crains? why not 220v, 24v

3 Answers   SOFT,

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what is the use of conservator in a transformer?

6 Answers   L&T, TATA, Tata Motors,

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A 4-Pole D.C. Generator has a speed of 1500r.p.m. Then what will be the frequency of D.C. Generator ?

9 Answers   IBM,

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wath is this mining of bts

1 Answers   Nokia, TATA,

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Define super node?

0 Answers  

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Why human body feel electric shock?

0 Answers  

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In a synchronous motor armature current flows due to revolving flux which in turn rotates the load,but in no load condition armature current is zero hence thr is no revolving flux then how motor rotates?

9 Answers  

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What is the basic difference between AVR and stabilizer?

2 Answers   Gujarat Alkalies and Chemicals GACL,

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How to decide CT & PT ratings for a given transmission line carrying some rated voltage?

0 Answers  

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Sir,In our company there are 3 caterpillar make(capacity:(1) 3.3KV,2.5MW(2)3.3KV,2.5MW & (3)3.3KV,1.9MW) & 1 deutz make (capacity:11KV,3.8MW)gas engines utilised,all are running in paralell. There are three transformer utilised,(1) 6.25MVA,3.3KV/22KV,Impedence voltage:6.7% used for two generator,both are 2.5MW(2)5.5MVA,3.3KV/22KV,Impedence voltage:7.2% used for one generator of 2.5MW & (3) 5.5MVA,11KV/22KV,Impedence voltage:7.8% used for one generator of 2.5MW.all generator breakers capacity of 1250Amps. Sir,I want the details of fault level calculation of generator,transformer individually & for whole system. If you require any information from me.feel free for contact me sir.pl.send the answer of my question as the earliest as possible.

0 Answers   Piramal Healthcare,

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what is the thumb rule or formula for cable size and current ratings

1 Answers  

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What will be the capacity of the generator set which can be used for my 2 ton window air conditioner ?

1 Answers  

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