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Transformers ch 5

Real World Transformer Connections

QuestionAnswer
1. The conductors entering the transformer cabinet at the lower right are the ( secondary load, primary feed, secondary feed, primary load) Secondary Load
2. The conductors entering the transformer cabinet at the lower left is the ( Secondary load, Primary feed, Secondary feed, Primary Load) Primary Feed
3. Why are there two sets of conduits and conductors entering the lower right side of the transformer? parallel conductors
4. Logically , label the transformer buss bars (connections) across the top going from left to right. ( X1;H1;X2;H2;X3;H3) (H1;X1;H2;X2;H3;X3) (X1;H1;X0;H0;X2;H2) (H1;X1;H0;X0;H2;X2) H1;X1;H2;X2;H3;X3
5.What is the horizontal buss running across the bottom that has welded connections from the bottom of the windings? Is the secondary of the transformer connected Wye or Delta? neutral/ground bar
6. How many taps are located on each winding? Are they primary or secondary taps? 7, primary
7. From the photo, can be determined if the primary is connected Delta or Wye? If it can be determined, how? Delta, only 3 wires no neutral
8. Are the primary conductors terminated using compression lugs or mechanical lugs compression
9. Are the secondary conductors terminated using compression lugs or mechanical lugs compression
10. Is the grounding conductor from the feeder terminated with a compression lug or mechanical lug mechanical
11.What are the phase tape colors of the secondary going from right to left Blue red black
12. What are the phase tape colors of the primary going from right to left yellow orange brown
13. With respect to a Wye or Delta connection, can the secondary configuration be change with this transformer no
14. thru the end use the book
Created by: JoshHampton
 

 



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