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Cable Selection


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#1 brads

brads

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Posted 05 June 2008 - 08:08 AM

i was asked to extend a three phase cable for a motor
motor is 2.2Kw
the supplu comes from a 2.2 kw drive
currently the cable is 20M from the drive to the motor
3 core plus earth 1.5mm per core
they would like to extend it by another 50M
how do i work out the volt drop and the cable size according to amp rating

#2 tc50

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Posted 27 July 2009 - 03:57 AM

u can refer to the IEEE wiring requlation BS7671...


QUOTE (brads @ Jun 5 2008, 05:08 PM) <{POST_SNAPBACK}>
i was asked to extend a three phase cable for a motor
motor is 2.2Kw
the supplu comes from a 2.2 kw drive
currently the cable is 20M from the drive to the motor
3 core plus earth 1.5mm per core
they would like to extend it by another 50M
how do i work out the volt drop and the cable size according to amp rating






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