Why VCB is required and ACB is also require? what is the BDV of Trafo of 11/33 KV

1 Answers  

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what is the function of bearing in dc mchine" and where it is placed

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what happens if we connect two parallel ideal voltage sources across resistor?what is current flowing through resistor?

2 Answers  

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Will The Rated Capacity of 20 MVA ,220/6.6 KV, ONAN cooling Power Tranformer be increased up to 25 MVA with respect to its %Impedence by ONAF cooling with same rating..?

2 Answers   Ambuja,

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I am working in 600MW power plant currently in erection phase. I came along this term and want to know its meaning in simple language, consider me naive!?? All motors shall be of energy efficient type EFF-2 as per IS:12615/ equivalent IEC / International Standard.

1 Answers   Punj Lloyd Ltd,

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How to design pavement quality concrete by using C.R.C.P Method

0 Answers   L&T,

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AC is the magnitude of sinosudial-wave but we use cose value to determine power factor instead of sine value.

2 Answers  

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How can transformer oil be used in transformers with voltage rating above its breakdown voltage?

2 Answers  

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when we gave dc supply to 220v dc motor its rpm is 1200. then we gave 180v. how many rpm of its motor. gave answer with calculation at my ID.... ravizak@ymail.com

0 Answers   Godrej,

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What are the types of relay ?

3 Answers  

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What are steps to be taken while designing of DYN11 distribution transformer to achieve magnetising balance?

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Among the following Which is vector quantity? a. Flux b. permitivity c. flux density d. magnetic intensity

2 Answers  

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