A 200kVA, 11000/400V, delta-star connected distribution transformer gave the following test results: Open circuit test: 400V, 9A, 1.50kW Short circuit test: 350V, rated current, 2.1 kW Determine the equivalent circuit parameters referred to HV side as Rc, Xm, Req and Xeq respectively. O O 121.1 kilo-ohm, 30 kilo-ohm, 9.53 ohm, 27.3 ohm 242.2 kilo-ohm, 60.02 kilo-ohm, 19.06 ohm, 54.6 ohm 125 kilo-ohm, 35.02 kilo-ohm, 20ohm, 67.3 ohm 250 kilo-ohm, 70.02 kilo-ohm, 38 ohm, 50 ohm

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Question 1
A 200kVA, 11000/400V, delta-star connected distribution transformer gave the following test results:
Open circuit test: 400V, 9A, 1.50kW
Short circuit test: 350V, rated current, 2.1 kW
Determine the equivalent circuit parameters referred to HV side as Rc, Xm, Req and Xeq respectively.
O
121.1 kilo-ohm, 30 kilo-ohm, 9.53 ohm,
27.3 ohm
242.2 kilo-ohm, 60.02 kilo-ohm, 19.06
ohm, 54.6 ohm
125 kilo-ohm, 35.02 kilo-ohm, 20ohm,
67.3 ohm
250 kilo-ohm, 70.02 kilo-ohm, 38 ohm,
50 ohm
Transcribed Image Text:Question 1 A 200kVA, 11000/400V, delta-star connected distribution transformer gave the following test results: Open circuit test: 400V, 9A, 1.50kW Short circuit test: 350V, rated current, 2.1 kW Determine the equivalent circuit parameters referred to HV side as Rc, Xm, Req and Xeq respectively. O 121.1 kilo-ohm, 30 kilo-ohm, 9.53 ohm, 27.3 ohm 242.2 kilo-ohm, 60.02 kilo-ohm, 19.06 ohm, 54.6 ohm 125 kilo-ohm, 35.02 kilo-ohm, 20ohm, 67.3 ohm 250 kilo-ohm, 70.02 kilo-ohm, 38 ohm, 50 ohm
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