Three phase AC motor current calculation formula for 25HP 460V 60Hz and 50Hz to 60Hz

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#1 21661456 09 Mar 2012 22:40

UMAKANTH K UMAKANTH K

Anonymous

Post #1
21661456 09 Mar 2012 22:40

how to calculate current for a three phase ac motor with 60hz
?25hp 460v 60hz pls send formula
another how to calculate cuurent 50hz to 60hz
what will do

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#2 21661457 10 Mar 2012 01:14

StrykerTECH StrykerTECH

Anonymous

Post #2
21661457 10 Mar 2012 01:14

1 HP = 0.735 kW. Therefore 25 HP = 18.642 kW.

Current = Power / Voltage = 18.642 kW / 460VAC rms = 40.5A rms

Since 460V is expressed in rms (root mean square), calculating for 50Hz will yield the same result as 60Hz.

"StrykerTECH":http://www.stryker-tech.com/ Engineering Staff
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#3 21661458 11 Mar 2012 05:50

Richard Magdycz Richard Magdycz

Anonymous

Post #3
21661458 11 Mar 2012 05:50

What is HP, by the way?
#4 21661459 11 Mar 2012 06:27

Sarah Harris Sarah Harris

Anonymous

Post #4
21661459 11 Mar 2012 06:27

horse power
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