Q4- A 2500/250V, 50HZ, 50KVA single phase transformer has the following parameters (RI=0.82 , XI=4 2, R2=0.0122 , X2-0.042) and the magnetizing component are (Ro-802, Xo-20.832). Find out the voltmeter, ammeter and wattmeter readings during following test, 1- O.C. Test (If meters are connected to secondary of transformer) 2- S.C. Test (If meters are connected to primary of transformer)

Q4- A 2500/250V, 50HZ, 50KVA single phase transformer has the following parameters (RI=0.82 , XI=4 2, R2=0.0122 , X2-0.042) and the magnetizing component are (Ro-802, Xo-20.832). Find out the voltmeter, ammeter and wattmeter readings during following test, 1- O.C. Test (If meters are connected to secondary of transformer) 2- S.C. Test (If meters are connected to primary of transformer)

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 3.2P: An ideal transformer with N1=1000andN2=250 is connected with an impedance Z22 across winding 2. If...

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For the transformer in Problem 3.10. The open-circuit test with 11.5 kV applied results in a power input of 65 kW and a current of 30 A. Compute the values for GcandBm in siemens referred to the high-voltage winding. Compute the efficiency of the transformer for a load of 10 MW at 0.8 p.f. lagging at rated voltage.
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