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
can anyone please help me to find the rupturing or breaking capacity in KA of circuit breaker (MCCB,VCB,ACB etc) of HT and LT side of a distribution transformer...please help with detailed step by step answer...thank you
In 90 kva alternator that produce the output voltage is 115(p-n),200(p-p) at 1500 rpms means what ampere it produced ?
operation of protection relay watchdog contact?
Why L.T.Cable voltage rating is 1.1kV,where as system voltage is 0.415kV?
What will happen if we on 200kvr capacitor bank(11kv in bus)If there is low load on transformer (1.5 mva 33/11 kv)
what is excitation/
WHAT IS THE TOTAL POWER GENERATION IN CHHATTISGARH?
I am going to appear RRB Sr. Section Engineer Exam, Electrical. Can you send me previous year questions of RRB Electrical engineer. specially Section Engineer questions. my email id is likerahulworld@gmail.com
advantages & disadvantages of Lagging and leading power factor .
if you are in a software company,then why do you want to come in a core company like sail, ntpc(where lots of trouble like tension but you have a good life in a it company) ?
Tell me all plants load factors i.e which plant operating on which load?
What are the types of transformers according to the arrangement of iron cores?
List advantges of active filter over passive filter?
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 force on a conductor in a magnetic field ?
