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

Why the generator rating in kva

32 Answers   CompuCom, DLF, Genpact, HNG, SIPM,

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Mention what are the types of semi-conductors?

0 Answers  

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how to calculate the KVAr for an motor for improving the PF

3 Answers  

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What is the role of link in neutral in a three phase ac system?

10 Answers  

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Can I use less voltage cable for neutral, since the voltage of return path is zero ideally?

3 Answers   Vijai Electricals,

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IN SINGLE PH TRANSFORMER IF LEKAGE IMPEDANCE DROP IS NEGLECTED ,THE FLUX IN THE MAGNETIC CORE and the lekage flux linking a winding are a)proportional to the applied v to the winding i respectively.

0 Answers  

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what is circuit breaker in transfomer and where it used

0 Answers  

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while selecting transformers for 33 kva feeder normally we ask for 33/433 kv why not 33/415

1 Answers  

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Even when a particular generator in a generating station is under maintenance we are still able to maintain the same power output. How is this possible? Does the tie line between 2 generating stations have a role to play in it?

1 Answers   NTPC,

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Why is it that North America uses 60 hz frequency while Europe uses 50 hz?

4 Answers  

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while calculating the power absorbed by a resistor connected to the output of a half wave rectifier circuit should we use rms or average current? explain with reason.

1 Answers   Vedanta,

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at what basis/standard we have to arrive the current density of aluminium/ copper in busbar?

0 Answers   ONGC,

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