How to calculate rated currennt Of Mcb for 2hp motor...

Answer Posted / prdp

simply calculate the line current which 2hp motor will take
by considering the power factor.Again give some margin for
the overloading of motor.
for 3 phase motor,line rated current
= 2*746/(1.73*linevoltage*pf)

Is This Answer Correct ?    25 Yes 4 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is frequency response?

658


What are the types of the glands and difference between single and double compression type of cable Glands.

1625


how oti and wti connections are different from each other?

1601


Why it is possible to use PWM with a STATCOM and not with a conventional TCR based SVC

1585


why T/F winding temp measurement cts are odd secondary current ie,109A/1.2A/1.4A?

1385






I want to calculate how much capacitor we connect to maintain the unity power factor? Is there any formula? Pls give me the answer

1453


Assuming that a dedicated neutral earthing transformer is provided for each GT generator, when the two generators are running in parallel, has consideration been given that the earth fault current from one generator stator winding be split between the two neutral earthing transformers? If so, what adverse impact will this have on the operation of the 59N and 27TN devices?

1234


What are the factors influence the choice of an electrc drive?

1597


Where burned of electricity,when,who, & why.

1511


What is the feedback in the control system?

632


can anyone explain 11kV 3core cable megger,hi pot test procedure with connection details?

2802


tan delta equation test on alternators

1775


What is an alternator impedance value?

2409


What is the difference between Delta & Wye windings?

1606


who invented active elements? plz give me the complte details of active elements...

1421