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hw4 - using measurements Q2 a Why delta-delta delta-wye...

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EE 459 HW SET #4 (Due on Monday, March 6) Chapter 4: (Summary questions for insights) Q1: What is transferring capability of a transmission line? How to increase the transferring capability of a line? Chapter 5: (Summary questions for insights) Q1: a) Give the model of a one-phase transformer. Explain how conductor loss, flux loss, Eddy current and finite permeability contribute to the parameters of the model. b). Explain how to estimate the model parameters
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Unformatted text preview: using measurements. Q2: a) Why delta-delta, delta-wye connection and wye-delta connections are used more often than wye-wye connections? b) Please give the transformer gains for all these four type connections in terms of the secondary to primary ratio N. Q3: What is a per unit system? Why power systems use the per unit system? Chapter5: (Calculations for insights) Problem #5.8, 5.9, 5.11, 5.12, 5.15....
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