E2(V)120VTestOpen-circuitShort- circuitPrimary12(A).29A2AP2(W)8.78W13.4W6.85VE1(V)P1(W)7.69W13.14WTestOpen-circuitShort- circuit11(A).62ASA48V2.83VNormal 12 at E111P1E212P2120V50.6V48.42V48.8V49.33V182A4A6A815A1A1.22A142A.24.75A237.4W56.5W120.3V1.31A1.77A2.28A2.73A3.26А3.74A119.6V119.8V120.6V119.4V120.6V120.1V119.9V120.3V219.1W48.3W72.39W98.3W120.1W146.9W.481.2W108.2W130.5W159.2W184W209.2W237.5W.849.1V1.21.449.83V49.91V50.1V50.55V170W193.6W219.1W238.1W1.64.23A1.616A1.84.74A1.82A2.050.3V5.18A258.3W119.1V2A1) Calculate the turns ratio from the transformer primary/secondary voltage ratingaa=Using the open-circuit data at the primary and the short-circuit data at the secondary, calculatethe four transformer parameters (to 3 significant figures) and fill in the following table.ParameterRelValue(ohm)XelRc1Xm1Using the open-circuit data at the secondary and the short-circuit data at the primary, calculatethe four transformer parameters (to 3 significant figures) and fill in the following table.ParameterValue(ohm)RelXelRc1Xm1

From the given data: transformer voltage ratings are secondary side voltage=E2=120 V primary side…

P2(W) 8.78W 13.4W Test E2(V) 120V 12(A) 29A Open-circuit Short- circuit Primary 6.85V 2A P1(W) 7.69W 13.14W Test E1(V) 48V 2.83V 11(A) .62A SA Open-circuit Short- circuit Normal 12 at| E1 11 P1 E2 12 P2 120V .2 4 50.6V 48.42V 48.8V 49.33V 4.75A 1.31A 177A 237.4W 120.3V 119.6V 119.8V 120.6V 119.4V 1.82A 56.5W 81.2W 108.2W 4A 6A .815A 219.1W 48.3W 72.39W 98.3W 120.1W .8 2.28A 1 49.1V 2.73A 130.5W 1A 122A 142A 1.2 49.83V 49.91V 50.1V 3.26A 159.2W 120.6V 146.9W 1.4 1.6 3.74A 4.23A 184W 209.2W 237.5W 120.1V 170W 119.9V 1.616A 193.6W 1.8 50.55V 50.3V 4.74A 120.3V 182A 2A 219.1W 238.1W 2.0 5.18A 258.3W 119.1V 1) Calculate the turns ratio from the transformer primary/secondary voltage ratinga a= Using the open-circuit data at the primary and the short-circuit data at the secondary, calculate the four transformer parameters (to 3 significant figures) and fill in the following table. Parameter Value(ohm) Rel Xel Rc1 Xm1 Using the open-circuit data at the secondary and the short-circuit data at the primary, calculate the four transformer parameters (to 3 significant figures) and fill in the following table. Parameter Value(ohm) Rel Xel Rc1 Xm1

P2(W) 8.78W 13.4W Test E2(V) 120V 12(A) 29A Open-circuit Short- circuit Primary 6.85V 2A P1(W) 7.69W 13.14W Test E1(V) 48V 2.83V 11(A) .62A SA Open-circuit Short- circuit Normal 12 at| E1 11 P1 E2 12 P2 120V .2 4 50.6V 48.42V 48.8V 49.33V 4.75A 1.31A 177A 237.4W 120.3V 119.6V 119.8V 120.6V 119.4V 1.82A 56.5W 81.2W 108.2W 4A 6A .815A 219.1W 48.3W 72.39W 98.3W 120.1W .8 2.28A 1 49.1V 2.73A 130.5W 1A 122A 142A 1.2 49.83V 49.91V 50.1V 3.26A 159.2W 120.6V 146.9W 1.4 1.6 3.74A 4.23A 184W 209.2W 237.5W 120.1V 170W 119.9V 1.616A 193.6W 1.8 50.55V 50.3V 4.74A 120.3V 182A 2A 219.1W 238.1W 2.0 5.18A 258.3W 119.1V 1) Calculate the turns ratio from the transformer primary/secondary voltage ratinga a= Using the open-circuit data at the primary and the short-circuit data at the secondary, calculate the four transformer parameters (to 3 significant figures) and fill in the following table. Parameter Value(ohm) Rel Xel Rc1 Xm1 Using the open-circuit data at the secondary and the short-circuit data at the primary, calculate the four transformer parameters (to 3 significant figures) and fill in the following table. Parameter Value(ohm) Rel Xel Rc1 Xm1

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 3.30P: Reconsider Problem 3.29. If Va,VbandVc are a negative-sequence set, how would the voltage and...

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