The circuit of the  Figure below has  Z1= 5 angle 0 , Z2= 9 angle 30 and Z3= 10 angle 80, and is supplied by a  3-phase  450-V solve for Ia

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter27: Single-phase Transformers
Section: Chapter Questions
Problem 6PP: ES480VIPNS275turnsRatioESISNS525turnsZ=1.2k
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The circuit of the  Figure below has  Z1= 5 angle 0 , Z2= 9 angle 30 and Z3= 10 angle 80, and is supplied by a  3-phase  450-V solve for Ia

The answer must be 110.29 angle -36.52

6.
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