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12 A single-phase motor draws a current of 12 A at a power factor of 60 percent. Calculate the in-phase and quadrature components of cur- rent I, and I, with respect to the line voltage. d. b.

12 A single-phase motor draws a current of 12 A at a power factor of 60 percent. Calculate the in-phase and quadrature components of cur- rent I, and I, with respect to the line voltage. d. b.

Computer Networking: A Top-Down Approach (7th Edition)
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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12 and 13. It's not incomplete stop rejecting it.

159 IVE, AND APPARENT POWER a. The reactive power absorbed by the reactor b. The apparent power absorbed by the reactor c. The peak power input to the reactor d. The peak power output of the reactor e. The duration of each positive power pulse ela- 11 Using the rules given in Sections 16 and 17, determine which of the devices in Fig. 24a through 24f acts as an active (or reac- tive) power source. ac- 12 xA single-phase motor draws a current of 12 A at a power factor of 60 percent. Calculate the in-phase and quadrature components of cur- rent I, and I, with respect to the line voltage. b, 13 A single-phase motor draws a current of 16 A from a 240 V, 60 Hz line. A wattmeter connected into the line gives a reading of 2765 W. Calculate the power factor of the motor and the reactive power it absorbs. 14 If a capacitor having a reactance of 30 N is connected in parallel with the motor of Problem 13, calculate a. The active power reading of the wattmeter b. The total reactive power absorbed by the capacitor and motor c. The apparent power of the ac line d. The line current (P) e. The power factor of the motor/capacitor combination se ane 15 Using only power triangle concepts ni (Section 14) and without drawing any pha- sor diagrams, find the impedance of the cir- cuits in Fig. 25. An induction motor absorbs an apparent power of 400 kVA at a power factor of 80 percent. Calculate it
Transcribed Image Text:159 IVE, AND APPARENT POWER a. The reactive power absorbed by the reactor b. The apparent power absorbed by the reactor c. The peak power input to the reactor d. The peak power output of the reactor e. The duration of each positive power pulse ela- 11 Using the rules given in Sections 16 and 17, determine which of the devices in Fig. 24a through 24f acts as an active (or reac- tive) power source. ac- 12 xA single-phase motor draws a current of 12 A at a power factor of 60 percent. Calculate the in-phase and quadrature components of cur- rent I, and I, with respect to the line voltage. b, 13 A single-phase motor draws a current of 16 A from a 240 V, 60 Hz line. A wattmeter connected into the line gives a reading of 2765 W. Calculate the power factor of the motor and the reactive power it absorbs. 14 If a capacitor having a reactance of 30 N is connected in parallel with the motor of Problem 13, calculate a. The active power reading of the wattmeter b. The total reactive power absorbed by the capacitor and motor c. The apparent power of the ac line d. The line current (P) e. The power factor of the motor/capacitor combination se ane 15 Using only power triangle concepts ni (Section 14) and without drawing any pha- sor diagrams, find the impedance of the cir- cuits in Fig. 25. An induction motor absorbs an apparent power of 400 kVA at a power factor of 80 percent. Calculate it
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