Why selected cable colour red yellow and blue in 3 phase
Electrical system?
Answer Posted / rupinder singh
Red,Yellow and Blue are basic colors,and in 3 phase system we required to differentiate between the 3 phases while seeing them so they were selected.
| Is This Answer Correct ? | 7 Yes | 5 No |
Post New Answer View All Answers
Hello Friends, How can we recognize the CT Star Point is S1 or S2 in case of Electro Mechanical Relays and what is meant by Restraining coil in relays and what is the purpose of that.. thank you in advance..
How does PLC work for sychronising of Two or more DG sets?
What is meant by sag?
How to calculate the Efficiency of Chiller
Q) Write VBscript code along with QTPscript code in QTP tool for below scenario 1. Launch yahoo site(i know) 2. Do loogin(i know) 3.Click inbox link(i know) 4.Go to every page of mail box and count no.of read mails and no.of unread mails(i know) 5.Store page numbers, read mail count and unread mail count in a new excel file sheet 6.Create 10 types of graphs on that data 7.Do logout and close site(i know) 8.Save new excel files with graph
If the feeder rating is 7.5 kw or 10 HP star-delta feeder, MCCB is taken as 63 a, contactors-32 a, how much will be the OLR rating or which range OLR should be considered when we concern about type-2 coordination?
how much allowable resistance that can be difference in motor all coils?
How may I enrol or get admission to your program?
In AC if the direction of current keeps reversing every half cycle, how does it propogate through the transmission lines?
When lag/lead/lag-lead compensation is employed?
th how could we differentiate between armoured copper and armoured aluminium cable what is the basic application? why we prefer the armoured copper as compared to armoured aluminium.
In the magnetic fluxes, what is the role of armature reaction?
In three pin plug 6 amp. 220V ac rating. Why earth pin diameter is higher than other two pin? What its purpose ?
what is the difference betweem star connected motor & delta connected motor?
tell me some type of questions throught which i can prepare for exam and do my best