How the cable size for a motor is decided




Answer Posted / praful nandankar

To limit the starting current there are various protection
devices. Manufacturers always design the motor cable taken
into consideration the after effects of starting current.It
depends on the motor rated current and the voltage drop
which is already mentioned in some answers.

Is This Answer Correct ?    2 Yes 1 No






Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Hi,I am working in abroad for more than 3 years in a company operating with 11kv and 6.4 MW power. I need c licence in India,can I? some other says only i can get if i work for 2 years in india only! anybody kindly clarify by doubt.Thanks

844


what is the stear deltaprinceple?

765


How do you determine the size of transformer radiators in a transformer?

797


what is meant by directional earth fault and non directional earth fault? describe both.

810


What is the practical way to calculate the cable size for known ampere load?

269






electrical ques

983


Single phase and threephase power calculation

947


hi frnz,can somebody give me any project work? i am a 2nd year student & interested in practical works...plz give me some projects

819


TO CALCULATE THE RESISTANCE OF GRR OF HT MOTOR 400KW WHEREAS STATOR VOLTAGE 6.6KV AND ROTOR VOLTAGE 705V AND ROTOR CURRENT IS 346A.

4052


We have 750KVA DG set, we want to introduce REF relay with 1250/1A,CL PS,Current transformers.The lead distance of 2.5mm copper flexible cable from CT to relay is around 5mtrs.We would like to know the knee point votage(VK) & IM calculion for CT's

735


why the rotor current becomes in steady state during high slip region? please verify with equations.

932


what is the difference between Central Battery System and UPS in applications and uses? and why UPS suitable for Computers and central battery for emergency lighting?

7986


Currently what is the highest capacity (MVA) of SPPg generator available in the market?

682


how can service sitting be setted for MCCB?Example for sittings IR (CURRENT RATING),IS(CURRENT STARTING)IO (current operating

1059


WHAT IS THE DIFFERENCE BETWEEN AN ACB & mccb 7 WHAT IS THE CRITERIA WHEN TO USE WHICH OF THE TWO

1135