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Saturday 28 January 2017

Starting and full load current calculations for motor

Calculation of current drawn by motor under different load condition like full load,on no load condition are given below for 
1 phase 230 & 3 phase 440v supply:

1) Single Phase Motor draws Current = 7Amp per HP.

2) 3 Phase Motor draws Current = 1.5Amp per HP.

3) Full Load Current of three Phase Motor = HPx1.25
 
4) Full Load Current of single Phase Motor = HPx6

5) KW Rating of Motor = HPx0.75

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