How to calculate rated currennt Of Mcb for 2hp motor...
Answers were Sorted based on User's Feedback
Answer / 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 |
Answer / marlo
motor rated current on the nameplate multiplied by 300%.This will allow the MCB not to trip during starting.However each MCB has its own characteristic depending on its application.see MCB code for it purpose of application.MCB has a code for quick release and time delay trip.
Is This Answer Correct ? | 7 Yes | 0 No |
what is the principle of generator, motor, and transformer and explain the definiton of flemings left hand rule , right hand rule and ohms law
What are documents to be required for export of the material?
What precautions we have to take while handling electrical equipments?
why+ve is earthed in electrostatic precipitator in thermal power plant
they transformer oil leakeage to beather tank and top parts . they protection relayes was not operated.what is the oil leakeage problem.
How to size a transformer which will supply power to 550kW,690V motor starting with VFD?
in 132 kv substation ligtning arrestor(120 kv) connected to line. but line voltage comes to 132 kv, it operate or not???
1.why we are using metal oxide gapless block in lightning arrester,2.What is minimum and maximum rating of metal oxide blocks using in india
How many straight through joint is permissible in single core 33kv XLPE cable for a length of 985 mtr.
Which type of moter is used in trains, what is the ratting of supply used explain Working principal?
How to convert a two phase power into a three phase power in induction machine?
What is means by MacAdam Ellipse?