AC Distribution

Question 1
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Question 3


Cos 51.55° value details 

Sin 51.55 ° details 



Hence supply voltage is 252.32 volt and leads VB by 3.07° , answer ✓



Question 4
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Question 6
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Question 9
Question 10
Cos –¹ 0.8 = 36.8699 calculation details 
Ic=50 ampere 0.707 cos phy 
Details of  0.707 cos phy= 50 angle -45 , 

details of Ic = 50 ampere - 45 degree = 35.355 - j 35.3553 ampere 
Id = 30 ampere 0.8 Cos phy , = cos 0.8 value details above , = Id = 30 angle - 36.869 degree , 
Id = 30 angle - 36.869 degree = 24 - j 18 ampere , 

Question 11
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Question 13
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Question 15

Question 16
Question 17
Question 18
Question 19
END

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