Answer / nizam

earthing is mainly used for safety purpose or to ground the leakage current

Answer / suresh

to prevent shock human behings.

Can anyone explain about Control and power circuits of star delta starter & DOL starter ? How it works? please!

1 Answers  

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I want to know that a 160kva diesel generator contains capacity of 160kva on each phase like R=160 Y=160 B=160 total RYB=480kva or it is total capacity of all there phases like RYB=160kva ... thanks in advance ...

2 Answers   jlpl, JP Saraswat Engineers,

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what is the instrument used for measuring insulator RESISTANCE

5 Answers   TATA, Transco,

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i am using auto transformer for starting of induction motor to provide reduse voltages...but the principle of a tansformer according to definition"which transform energy to on circuit to another circuit with constant power and constant frequency". so if i am using reduse voltage then current obsely hige because power is same.but we use auto transfarmer for starting of induction motor to give low current.but here according to definition we are giving hige current.

0 Answers  

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What will happen if the interpoles in case of a generator have opposite polarities to that behind it in the direction of rotation ?

1 Answers  

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what is the significance of KV & MVA rating of the transformer and how they are related.

8 Answers  

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how much Hp motor is required for water suction pump in home uses ?

1 Answers  

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1. Can a 12v DC choke operate a 60v/12w PL lamp ? 2. Can a 230v ballast fire / operate a 60v/12w PL lamps.

0 Answers   ICS Integrated Computer Solutions,

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what are smoke detectors ?

4 Answers   Indian Military Services,

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What are the advantages of speed control using thyristor?

0 Answers  

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how to calculate distance between busbar supporters for LT panel, what are the factors influencing in this design

0 Answers   Amara Raja, TATA,

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what is the purpose of commutator in DC motor?

3 Answers  

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