why we are using R,Y,B colours for 3 Phase ?

Answer Posted / sunil parmar

THE WAVELENGTH OF THESE THREE COLOURS IS HIGHER AND ALSO
THE SCATERRING CAPACITY IS LESS THAN THE OTHER COLOURS SO
COULD BE EASILY IDENTIFIED.

Is This Answer Correct ?    9 Yes 3 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what do u understand from filter factor of reactor?

1536


if the motor rated speed is 950rpm. how to change the above rated speed? is it possible?

1008


Is the theorem applicable to ac sources?

621


How a band pass filter is constructed?

634


all interview questions with answers of ntpc (2000-2009

1778






what the function breaker failure scheme, how is it operated

1432


What are the section criteria for cables. Now everywhere XLPE power cable is used or PVC is also used?.

1238


What is mean by spike arrester(Voltage Operated)

1616


The ripple frequency in output of fullwave bridge rectifier is a. Half the input b. Twice the input c. Same as input

1815


What are PLC leader logic program method

1274


How to know of any cable size if there are not written on cabl?

1453


How many kinds of E.L.C.B and how to work E.L.C.B

1609


how much flux density of CRNO core

2366


Explain Active power,reactive power,how its related to each other , & inductive ,capacitive.

1460


3 shows a 415 V, 3-phase generator supplying a 3-phase 415/110 V transformer. Draw the individual and combined impedance diagrams to a base of 10 kVA. Determine the system fault kVA and the fault currents at the 415 V and 110 V busbars for short circuit faults on the transformer input or output terminals. Work in p.u. values of impedances.

2241