Answer / pradyumna chandra panda

R Y B are prime colour of every colour, that's why we use these colour for three phase supply. in foreign country they now use black, gray, white for three phase supply.

Answer / guest

ITS IS THE BASE COLOUR FOR ALL COLOUR

Answer / digvijay barge

Phase shift between three phase is 120
RY 120
YB 120
BR 120

Answer / kunal lakhani

R stands for red ,Y for yellow , B for blue which are the
three phases,R is for live wire

Give the selection criteria of a 3 Phase transformer for industrial purposes ?

5 Answers   NDDB, TATA,

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what is the relation between currebt & voltage.

8 Answers  

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How much inductance or resistance require as a starter in series with induction motor of specific capacity(e.g. 5 hp) ? What is formula for it ?

0 Answers   Reliance,

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What is ahu ? Working principal.

0 Answers   Sodexo,

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What is the requirement of sulphuric acid in electrical feild?

1 Answers  

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why u want to work in sail/ntpc as u r already in an it company where life is good, good environment no much tensions etc?

6 Answers   Sail,

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i need to give section engineer (electrical engineer) for RRB. Please suggest some book

0 Answers  

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Why HT motor is connected in Star?

3 Answers   Equate,

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why co incidence factor considered in transformer sizing?

0 Answers  

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What are your future plans for the company if permanently employed?

0 Answers  

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why not phase to phase fault occure in raining day in hv sub-station?

1 Answers   Getco,

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resitance in ac=1.6*resistance in dc

3 Answers  

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