Answer / shyam

we know that R is 4r red, Y is 4r yellow, B is 4r blue
these are the basic colours & also we can easily
differentiate

Answer / chandan

To easily identify the difference between the lie wires
connection in the circuit
R is 4r red
Y is 4r yellow
B is 4r blue

Answer / qazi a. alam

the colour is just a formality. main thing is to balanco
the load on all the three phases.

Answer / subhashreddy

R,y.b indicates colour
coding like
red,yellow.blue

Answer / rakesh

r y b easily identyfy _

Answer / shan80

it become common to indicate phases with r,y,b and it not
necessery to indicate phases with r,y,b u should indicate
them with l1,l2,l3 also with r,s,t

what is diffrent between plc and clc??

1 Answers  

what is the best electrical system i.e substation sytem of 11kv/.433kv for a township. if township have 300nos substation of 11kv. we have to go G.O.D.O. fuse unit or Compact Substation Unit. please reply Asap.

2 Answers  

working principle of oil startar

0 Answers  

why the pressure coil is not present in the three phase wattmeter?

1 Answers  

WHAT IS THE SIGNIFICANCE OF VECTOR GROUPS IN TRANSFORMER? WHAT WILL BE EFFECT WHEN PHASE DISPLACEMENT CHANGES IN TRANSFORMER?

5 Answers   ABB, Nissi Engineering Solution, NSL Sugars,

if an induction motor is operated at unity power factor what will happen? will motor run or not? kindly describe a logical answer?

2 Answers  

how to calculate the size of the cable for a particular rating 3phase induction motor?

1 Answers   Godrej, Megatron Solutions,

from which formula we select a capacitor rating?

0 Answers   CLG,

how can H.V busbar in a powerstation can be protected?

1 Answers   Unitech,

Can any body tell me about INNER SHUNT COMPOUND MOTOR diagram?

0 Answers  

why any normal motor have to provide star & delta winding distribution during starting?

4 Answers  

How to measure the capacity/rating of a distribution transformer in KVA?

0 Answers