How the cable size for a motor is decided

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

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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

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what is the stear deltaprinceple?

765

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

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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?

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electrical ques

983

Single phase and threephase power calculation

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

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

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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

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