Why only 1ph,2ph,3ph supplies are universally used?? Why
not 4ph or 5ph??

Answer Posted / brdganesh

Just my thought We cant make star and delta
conection correct?

Is This Answer Correct ?    0 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Connection diagram for KW meter and  Kva meter

1779


why the NGR (neutral grounding resistor) always OFF during DG off?

3061


i am electrical and elctronics engg passed out in 2009 want to attend for reliance placements.plz send me apttitude ,technical and hr question answers to my mail plz. my mail id-kat.bindas@gmail.com

1553


How Can You Relate Power Engineering With Electrical Engineering?

728


I want to merge a cable..in between two metering Cubicals which contains CT's and PT's and Energy meter..before taking merger..what are the common things required?

1119






If two Transformers are connected in parallel having impedance of 50KA in both transformers will the impedance increase or decrease after connecting transformers in parallel?

1533


what transformer we used normally and upto which kva?

1486


what is formula for zero phase sequence of nuetal earthing transformer of 6.6 kv

1683


WHY EARTHING NOT NEEDED IN BATTERY IN SUBSTATION

1489


how to find the Motor,s insulation Power?

1205


it is in our knowledge tht right plug of supply of residential suppy system is phase n other is neutral...howevr the battery charger of mobile works in both ways...i mean it is not restricted in only one direction.ny of the holder of charger can hav phase .so y is it not lik tht phase of supply must b connected 2 phase of charger...?

1548


Explain how you intend to work under pressure to meet up with deadline target?

4704


What are the roles and responsibilities of electrical engineer in cement plant

1510


In Air circuit breaker LSIG protection unit is used. Without fault in cables (2 runs 3Cx150Sq.mm Copper, 1Kv grade, XPLE armored cable IR value is more than 550Mohm @ 500V Megger) and load section Long time Overcurrent protection is triggers and trips the unit. We changed LSIG protection with new factory tested unit. Even then fault is persisting. Please suggest the possible causes

350


Why use the vcb at high transmission system ? Why can’t use acb?

785