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Generator Load 1 Zfl Zfl VL 201 201 201 Zfl Load 2 202 202 Z42 V Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5 60' kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j 0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute: a. The impedance of the 4- connected load. b. The (rms) voltage that appears across each element of the Y - connected load. c. The active power losses across the feeder. d. The voltage drop across the feeder. e. The reactive power consumed by the Y - connected load f. The apparent power supplied by the source g. Draw the per-phase equivalent circuit of the system. h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of the source, current of Load 1. current in the feeder.

Generator Load 1 Zfl Zfl VL 201 201 201 Zfl Load 2 202 202 Z42 V Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5 60' kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j 0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute: a. The impedance of the 4- connected load. b. The (rms) voltage that appears across each element of the Y - connected load. c. The active power losses across the feeder. d. The voltage drop across the feeder. e. The reactive power consumed by the Y - connected load f. The apparent power supplied by the source g. Draw the per-phase equivalent circuit of the system. h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of the source, current of Load 1. current in the feeder.

Power System Analysis and Design (MindTap Course List)
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
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.21MCQ
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Generator Load 1 Zfl Zfl VL 201 201 201 Zfl Load 2 202 202 Z42
Transcribed Image Text:Generator Load 1 Zfl Zfl VL 201 201 201 Zfl Load 2 202 202 Z42
V Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5 60' kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j 0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute: a. The impedance of the 4- connected load. b. The (rms) voltage that appears across each element of the Y - connected load. c. The active power losses across the feeder. d. The voltage drop across the feeder. e. The reactive power consumed by the Y - connected load f. The apparent power supplied by the source g. Draw the per-phase equivalent circuit of the system. h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of the source, current of Load 1. current in the feeder.
Transcribed Image Text:V Consider the 440Hz three-phase system shown below. Load 1 is 4 - connected presenting P = 5 60' kW and Q = -1kVAr. The impedance of the feeder between Load 1 and Load 2 (Y - connected) is 0.5 + j 0.20 A. The impedance of Load 2 is 10llcorner25°2. Compute: a. The impedance of the 4- connected load. b. The (rms) voltage that appears across each element of the Y - connected load. c. The active power losses across the feeder. d. The voltage drop across the feeder. e. The reactive power consumed by the Y - connected load f. The apparent power supplied by the source g. Draw the per-phase equivalent circuit of the system. h. Draw the phasor diagram for the per-phase equivalent circuit, showing: Voltage and current of the source, current of Load 1. current in the feeder.
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