Interested to Buy Any Domain ? << Click Here >> for more details...
Answer Posted / meraj
Given: v=440v, 3phase, pf=0.85, hp=5hp I=?
1hp=0.746kw
5hp= 5*0.746 kw = 3.73 kw
now P=3.73kw
for 3phase P=1.73*v*i*pf
I= P/(1.73*V*PF)
I = 3.73*1000/(1.73*440*0.85)
I = 5.76 amps
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
How maesure earth neutral value & how much maximum value value required in between earth & neutral.
iam using DM 3251 voltmeter(1 percent accuracy)for 11KV system PT ratio is 11KV/110V.can anybody explain what is the max and min voltage deviation.
what is data block in plc ? How the values of data block are written and read by hmi ? what is the difference between function and function block ?
what is the preventive maintence for ht panels and busbars and vcb abd acb's.
How could a garment factory benefit from renewable energy
sir my exam is on 19/6/2013 under electrical branch pls send me sample aptitude questions as well as sample technical questions for jindal steel and power company
Explain cos(theta) and Sin(theta)
HOW CAN WE DECIDE THE SUPPLY VOLTAGE FOR MOTOR ACCORDING TO ITS RATING(IF ANYONE KNOWS GIVE IT WITH EXAMPLE AND ITS CALCULATIONS)
i want to know about torque of slip ring induction motor
How do you select the pickup value of the relay?
is there any device that works properly accept relay, it may be fuse but if i want fuse of 33kv 300 amp it is avaliable, pls give me details
please give me solution to rectify the emi(electromagnetic interference)
How can we find out LT UG cable fault (size,from-4*25mm sqr to 4*300mm sqr)? How mani types UG cable faults?
how to determine the cable size...pls explain me with the formula taking particular load....does the factors like impedance & short circuit rating influence the cable size, if so how....
ratings of lightning arrester
