Answer / vineet yadav

For the correct and proper usage off buchholz relay and to maintain the IS

Answer / parag nikumbh

Conservator tank always mounted on top for being reason during Load on transformer Oil expands in volume so excess oil will go to tank and during no load or under-load oil contracts so due to gravity it should fill up the gap in main tank,this is possible only in case if tank is mounted on top or otherwise a means is to be provided to recirculate oil to main tank which is not economical in case of smaller sized transformer.

Answer / vikram ahuja

becouse air cooling purpose.

The formular of how to calculate a cross sectional cable to feed an electric motor. Examle: 15KW, 26.1A, 415V. Calculate the cable size in mm2

3 Answers   Sona,

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a distribution transformer(3 phase)supplying 440volt per phase.now suppose one of phase voltage(230volt) becomes zero.what will be the cause ?

3 Answers  

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percetans

0 Answers   Bhel,

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What is force on a conductor in a magnetic field ?

0 Answers  

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When do you use a VFD motor?

1 Answers  

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how can i get an electrical c-certificate?

0 Answers   Wartsila,

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Trafo ratio is 11kV/6.6kv,Vector group is YND11. What will be the effect if secondary is used for earthed system.

0 Answers  

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Why positive terminal of DC 48V was earthed?

1 Answers  

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What is the List of Equipments, Instruments, Components required in Transmission of electricity from 1 substation to other substation(The equipments required in substation too)? What are the differnt IS standrds used for above equipments in Industry?

2 Answers  

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why we avoid parallel operation of diesl generator?

4 Answers  

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what is the difference between ac ground and dc ground.. In my project iam using both ac and dc supply.. can both the grounds or the return paths be connected??

1 Answers  

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What is the difference between MCCB,ELCB,RCB & MCB

2 Answers   Bhel, HCL, HPL,

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