What is the technical reason for adopting color coding of
three phase system as RYB.
- 11 Answers
- 26217 Views
- ABB, ERDA, I also Faced
- E-Mail Answers
Answer Posted / james siruet
RYB is the most common colors used in KSA. For them to simplifies electrical wiring a they can easily determine what is hot/ live or ground..there's no other specific technical reasons.
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
In the formula : Knee point voltage = Burden X alf / class, Please inform what is alf? regards Shashidhar M.R.
i've iocl interview.. if you know the interview process please give me information..
What is routh hurwitz stability criterion?
What will be the effect of circulating current in HT xlpe cable when both the armour ends are grounded. Will the termination fils after some time in case of 33 kv supply.
what is the difference between switchgear and circuit breakers and is there any difference between outdoor and indoor switchgear and circuit breakers , and how would you differentiate between switch yard and substation and grid station . thanks
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.
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india
Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?
WHAT IS MEANT BY OVER EXCITATION IN GENERATOR TRANSFORMERS? DESCRIBE IT.
The slip during plugging operation is given by= A 1-s B 2+s C 1+s D 2-s
The Q-facr o of a coil given as wL/R. what will be shape of Q versus frequency graph.
why electronic instruments is more favorable than electrical?
What is the Temperature to be set in Thermostat provided in Marshalling box of the Transformer / Motor.
How u can give the overload setting to any motor protection relay for a HT motors with formula and Example?
can a 150 kva 3 phase 440v/230V delta-wye step down transformer can be use as step up transfoermer with connected loads at 440v side?
