Three 1-phase Transformers connected in mesh supply 1000 A per line to a 3-phase, 3-wire system. (a) What is the current in each transformer? One unit develops a fault and is removed: (b) by how mjuch is the capacity of the set reduced for the same temperatura-rise? (c) Find the current in each of the remaining transformer if the line current corresponds to the rating in
Three 1-phase Transformers connected in mesh supply 1000 A per line to a 3-phase, 3-wire system. (a) What is the current in each transformer? One unit develops a fault and is removed: (b) by how mjuch is the capacity of the set reduced for the same temperatura-rise? (c) Find the current in each of the remaining transformer if the line current corresponds to the rating in
Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter3: Power Transformers
Section: Chapter Questions
Problem 3.51P: The ratings of a three-phase three-winding transformer are Primary(1): Y connected 66kV,15MVA...
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- Three 1-phase Transformers connected in mesh supply 1000 A per line to a 3-phase, 3-wire system. (a) What is the current in each transformer? One unit develops a fault and is removed: (b) by how mjuch is the capacity of the set reduced for the same temperatura-rise? (c) Find the current in each of the remaining transformer if the line current corresponds to the rating in (b). Draw the
vector diagram.
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