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Join Date: Apr 2008
Location: India
Posts: 9

about motor

07/30/2008 2:46 AM

hello sirs,

i want to know a 1HP motor takes how much of current in no load and full load.

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Anonymous Poster
#1

Re: about motor

07/30/2008 8:46 AM

You must provide many more information with the question if you are an electrical person (if at all)

- Motor is ac or dc ?

- if ac then no. of phases of motor

- Volatge across which it is to be connected

- efficiency of motor

- if ac then pf

and if you shall provide all these information being an electrical person, you must be having answer to your question

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Guru
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Join Date: Dec 2005
Location: Clemson, South Carolina
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#2

Re: about motor

07/30/2008 8:48 AM

1 HP is 746 watts at 100 % efficiency. Amperes = Watts / Voltage

Efficiency of electric motors is usually around 85 %, so 1 HP at motor shaft will require about 18 % more current.

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Power-User

Join Date: Jun 2007
Posts: 141
Good Answers: 2
#3

Re: about motor

07/30/2008 12:39 PM

....And there is always the nameplate information on the motor, or information available from the manufacturer.

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