What is the required kVA rating of the transformer

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Reference no: EM131662467

Question 1 -

(a) For the autotransformer shown below, determine the values of I_L, I₁, and V₁.

(b) If you have a conventional two-winding transformer rated 120 V for each winding, what is the required kVA rating of the transformer in order for it to operate as an autotransformer serving a 50 kVA load at 240 V?

Question 2 -

Two identical single-phase transformers (T1 and T2) are each rated 7200V/480V. They are connected open Y (HV side)/open Δ (LV side) as shown below. V_AN = 7200 V at zero degrees and V_BN = 7200 at -120 degrees.

(a) Determine the values of V_ab, V_bc, and V_ca.

(b) If a balanced three-phase load rated 100 kVA is connected to terminals a, b, and c. what is the required kVA rating of each single-phase transformer?

Reference no: EM131662467

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