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Categories  >>  Engineering  >>  Electrical Engineering
 
 
 
Question 
In case of 3Phase Supply, 
   Voltage R-Earth/Neutral  -  220
           Y-Earth/Neutral  -  220
           Z-Earth/Neutral  -  220
   Total is ->   660Volts

Then Why it is said that 3Phase supply is 440
 Question Asked At :: Hindustan-Unilever-Limited
 Question Submitted By :: ashish bansal
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Answer
 
If we measure R-Earth/ Neutral that is 1 PH. 3 Phase, 440V 
means we have to measure Phase - Phase i.e. R-Y, Y-B, R-B

 		 Padmavathi
 
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