ANSWER “G” 1. Refer to Figure 1. A Y-connected source supplies 3balanced 3-phase loads. The source has voltageVab=38020 V.a. Assume that load 1 is A-connected, what arethe phase voltages & currents in that load?b. Assume that load 2 is Y-connected what areathe phase voltages & currents in that load?c. What real, reactive and apparent power doesthe generator supply when the switch isopen?d. What are the line currents (laa, Ibb, lcc)?e. What real, reactive and apparent power doesthe generator supply when the switch isY-Connectedb100kWSource0.9 LAG80KVA0.8 LAGFigure 180kWclosed?0.85 LAGf. What are the line currents when the switch isclosed?g. Determine the value of each capacitor whena Y-connected capacitor bank is to beconnected in parallel with the loads to raisethe PF to 0.95.

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1. Refer to Figure 1. A Y-connected source supplies 3 balanced 3-phase loads. The source has voltage Vab=38020 V. a. Assume that load 1 is A-connected, what are the phase voltages & currents in that load? b. Assume that load 2 is Y-connected what are a the phase voltages & currents in that load? c. What real, reactive and apparent power does the generator supply when the switch is оpen? d. What are the line currents (laa, IbB, lcc)? Y-Connected b 100kW Source 0.9 LAG 80KVA 0.8 LAG Figure 1 e. What real, reactive and apparent power does the generator supply when the switch is 80kW closed? 0.85 LAG f. What are the line currents when the switch is closed? g. Determine the value of each capacitor when a Y-connected capacitor bank is to be connected in parallel with the loads to raise the PF to 0.95.

1. Refer to Figure 1. A Y-connected source supplies 3 balanced 3-phase loads. The source has voltage Vab=38020 V. a. Assume that load 1 is A-connected, what are the phase voltages & currents in that load? b. Assume that load 2 is Y-connected what are a the phase voltages & currents in that load? c. What real, reactive and apparent power does the generator supply when the switch is оpen? d. What are the line currents (laa, IbB, lcc)? Y-Connected b 100kW Source 0.9 LAG 80KVA 0.8 LAG Figure 1 e. What real, reactive and apparent power does the generator supply when the switch is 80kW closed? 0.85 LAG f. What are the line currents when the switch is closed? g. Determine the value of each capacitor when a Y-connected capacitor bank is to be connected in parallel with the loads to raise the PF to 0.95.

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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