Which system is best for industries 3ph 3w or 3ph 4w?
Answer Posted / dileep
3ph 4 wire is best suitable for un balaced loads & wher we can have single phase loads also.but it will require more volume of conductor than compared to 3 ph 3 w..
| Is This Answer Correct ? | 4 Yes | 1 No |
Post New Answer View All Answers
Some times to change of DOR of a motor, interchange of R & B is not effected and RYB take same current, but interchange of R&Y is effected ie change the DOR. My doubt is what is the problem in motor and how it is happen.
if the number of poles generated in stator and rotor side of an induction motor are different then what will happen and why?
our industries ht line so power fluctation(once drop of power please rectify causes
how does commutator convert a.c to d.c?
I would like to know that the fault curretn at base load and at 10% generation will be same? Fault level of BUS remain same with different generation?
What is milivolt dop test in Busducts? What is its significance & procedure to do the test?
how to read idmt curva
What is the tension required for the 25000 CFM AHU belt
why output is out of phase in case of common emitter?
what is mean by Digital Logic Meter (DLM)
How we can change the direction of rotation of Induction motor? Prove it using graphical
What is the de rating factor of cable? What is the importance of the de rating factor in cable select
A 10 MVA, 66KV, 50Hz, Y-connected 3-phase alternator has synchronous reactance of 0.635 Ù. It is working at full load at 0.8 lagging p.f. condition. Find torque angle, neglect armature resistance.
how to calculate percentage impedence at 75 deg C at normal tap
1. Why is the speed of shunt motor practically constant? 2. Why dc series motor use to start with heavy loads? 3. advantages & disadvantages of separately excited generator over self excited generator?