It's urgent please solve asap. Questions(a) A 275 kVA, 11 kV/2.2 kV, single phase transformer has the following parameters:R1-1.30, RL-0.072,Reft) 2.4 k2,XL-0.22,Xu-4.92, XmL) 0.8 k2The HV winding of this transformer is connected to an ac 50 Hz supply while the LV winding is connected toa load of a resistance of 15.0n in series with a 330 uF capacitor. At 122A total load current, calculate efficiency,input (VA) reactive, voltage regulation and output (VA) reactive,(b) Sketch the phasor diagram of a transformer under unity load power factor (pf).Note: use the exact equivalent circuit in (a) and (b)

Solution of question (a): Given information about a single phase transformer is, Rated KVA is S=275…

Questions (a) A 275 kVA, 11 kV/2.2 kV, single phase transformer has the following parameters: R1-1.30, RL-0.072, Ret 2.4 kn, X 4.90, Xm)-0.8 k2 X.-0.20, The HV winding of this transformer is connected to an ac 50 Hz supply while the LVv winding is connected to a load of a resistance of 15.02 in series with a 330 uF capacitor. At 122 A total load current, calculate efficiency, input (VA) reactive, voltage regulation and output (VA) reactive. (b) Sketch the phasor diagram of a transformer under unity load power factor (pf). Note: use the exact equivalent circuit in (a) and (b)

Questions (a) A 275 kVA, 11 kV/2.2 kV, single phase transformer has the following parameters: R1-1.30, RL-0.072, Ret 2.4 kn, X 4.90, Xm)-0.8 k2 X.-0.20, The HV winding of this transformer is connected to an ac 50 Hz supply while the LVv winding is connected to a load of a resistance of 15.02 in series with a 330 uF capacitor. At 122 A total load current, calculate efficiency, input (VA) reactive, voltage regulation and output (VA) reactive. (b) Sketch the phasor diagram of a transformer under unity load power factor (pf). Note: use the exact equivalent circuit in (a) and (b)

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 3.33P: Consider the three single-phase two-winding transformers shown in Figure 3.37. The high-voltage...

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