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b x² n Vbn Rw ww an (12+) Rw FIGURE 12.34 B de Rw www N N Zp A 18. Repeat Exercise 17 with Rw = 10 22, and verify your answers with appropriate PSpice simulations if the operating frequency is 60 Hz. 19. Each impedance Zp in the balanced three-phase system of Fig. 12.34 is con- structed using the parallel combination of a 1 mF capacitance, a 100 mH inductance, and a 10 22 resistance. The sources have positive phase sequence and operate at 50 Hz. If Vab=208/0° V, and Rw = 0, calculate (a) all phase voltages; (b) all line voltages; (c) all three line currents; (d) the total power drawn by the load. 20. With the assumption that the three-phase system pictured in Fig. 12.34 is balanced with a line voltage of 100 V, calculate the line current and per-phase load impedance if Rw = 0 and the load draws (a) 1 kW at a PF of 0.85 lagging: (h) 300 W per phase at a PF of 0.92 leading

b x² n Vbn Rw ww an (12+) Rw FIGURE 12.34 B de Rw www N N Zp A 18. Repeat Exercise 17 with Rw = 10 22, and verify your answers with appropriate PSpice simulations if the operating frequency is 60 Hz. 19. Each impedance Zp in the balanced three-phase system of Fig. 12.34 is con- structed using the parallel combination of a 1 mF capacitance, a 100 mH inductance, and a 10 22 resistance. The sources have positive phase sequence and operate at 50 Hz. If Vab=208/0° V, and Rw = 0, calculate (a) all phase voltages; (b) all line voltages; (c) all three line currents; (d) the total power drawn by the load. 20. With the assumption that the three-phase system pictured in Fig. 12.34 is balanced with a line voltage of 100 V, calculate the line current and per-phase load impedance if Rw = 0 and the load draws (a) 1 kW at a PF of 0.85 lagging: (h) 300 W per phase at a PF of 0.92 leading

Introductory Circuit Analysis (13th Edition)
Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
Chapter1: Introduction
Section: Chapter Questions
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anyone help me with problem number 20 ??

b cn DR Rw an Rw ww FIGURE 12.34 a B C Zp Zip Rw ww N Zp A 18. Repeat Exercise 17 with Rw = 10 22, and verify your answers with appropriate PSpice simulations if the operating frequency is 60 Hz. 19. Each impedance Zp in the balanced three-phase system of Fig. 12.34 is con- structed using the parallel combination of a 1 mF capacitance, a 100 mH inductance, and a 10 22 resistance. The sources have positive phase sequence and operate at 50 Hz. If Vab=208/0° V, and Rw = 0, calculate (a) all phase voltages; (b) all line voltages; (c) all three line currents; (d) the total power drawn by the load. 20. With the assumption that the three-phase system pictured in Fig. 12.34 is balanced with a line voltage of 100 V, calculate the line current and per-phase load impedance if Rw = 0 and the load draws (a) 1 kW at a PF of 0.85 lagging; (b) 300 W per phase at a PF of 0.92 leading.
Transcribed Image Text:b cn DR Rw an Rw ww FIGURE 12.34 a B C Zp Zip Rw ww N Zp A 18. Repeat Exercise 17 with Rw = 10 22, and verify your answers with appropriate PSpice simulations if the operating frequency is 60 Hz. 19. Each impedance Zp in the balanced three-phase system of Fig. 12.34 is con- structed using the parallel combination of a 1 mF capacitance, a 100 mH inductance, and a 10 22 resistance. The sources have positive phase sequence and operate at 50 Hz. If Vab=208/0° V, and Rw = 0, calculate (a) all phase voltages; (b) all line voltages; (c) all three line currents; (d) the total power drawn by the load. 20. With the assumption that the three-phase system pictured in Fig. 12.34 is balanced with a line voltage of 100 V, calculate the line current and per-phase load impedance if Rw = 0 and the load draws (a) 1 kW at a PF of 0.85 lagging; (b) 300 W per phase at a PF of 0.92 leading.
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