Number 10 letters a-e 1210ACTIVE, REACTIVE, AND APPARENT POWER159b. line current I is shown as entering bya. The reactive power absorbed by the reactorb. The apparent power absorbed by the reactorc. The peak power input to the reactord. The peak power output of the reactore. The duration of each positive power pulse11 Using the rules given in Sections 16 and17, determine which of the devices in Fig.24a through 24f acts as an active (or reac-tive) power source.terminal a.Otherwise, the device is a reactive source,Based on these rules, and observing the phasor rela-tionships in Fig. 23, we deduce that device A is an ac-tive source because I, is 180° out of phase with E.Also, device A is a reactive load because I, lags90° behind Eab·A single-phase motor draws a current of 12 Aat a power factor of 60 percent. Calculate thein-phase and quadrature components of cur-rent I, and I, with respect to the line voltage.13 A single-phase motor draws a current of16 A from a 240 V, 60 Hz line. A wattmeterconnected into the line gives a reading of2765 W. Calculate the power factor of themotor and the reactive power it absorbs.14 If a capacitor having a reactance of 30N isconnected in parallel with the motor ofProblem 13, calculatea. The active power reading of the wattmeterb. The total reactive power absorbed by thecapacitor and motorc. The apparent power of the ac lined. The line currente. The power factor of the motor/capacitorQuestions and ProblemsPractical levelWhat is the unit of active power? reactivepower? apparent power?A capacitor of 500 kvar is placed in parallel2with an inductor of 400 kvar. Calculate theapparent power of the group.Name a static device that can generate reac-tive power.tion is3carriee volName a static device that absorbs reactive4.power.What is the approximate power factor, inpercent, of a capacitor? of a coil? of an in-candescent lamp?6 The current in a single-phase motor lags 50°behind the voltage. What is the power factorcombination15 Using only power triangle concepts(Section 14) and without drawing any pha-sor diagrams, find the impedance of the cir-cuits in Fig. 25.An induction motor absorbs an apparentpower of 400 kVA at a power factor of80 percent. Calculatea. The active power absorbed by the motorb. The reactive power absorbed by the motorc. What purpose does the reactive power serveof the motor?Intermediate levelA large motor absorbs 600 kW at a power fac-tor of 90 percent. Calculate the apparent powerand reactive power absorbed by the machine.168.A 200 µF capacitor is connected to a 240 V,60 Hz source. Calculate the reactive power itgenerates.9 A 10 Q resistor is connected across a 120 V,60 Hz source. Calculate17 A circuit composed of a 12 Q resistor in se-ries with an inductive reactance of 5 Q car-a. The active power absorbed by the resistorb. The apparent power absorbed by the resistorc. The peak power absorbed by the resistord. The duration of each positive power pulseries an ac current of 10 A. Calculatea. The active power absorbed by the resistorb. The reactive power absorbed by the inductorc. The apparent power of the circuitd. The power factor of the circuitA 10 reactance is connected to a 120 V,60 Hz line. Calculate

In this question, A reactor is connected to the supply 120V, 60Hz system. We need to determine the…

AND APPARENT POWER 159 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 a- 11 Using the rules given in Şections 16 and

AND APPARENT POWER 159 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 a- 11 Using the rules given in Şections 16 and

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Question 15 In half wave rectifier with filter, if the capacitance is increased, the ripple factor increases. True False Moving to another question will save this response. ip
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In half wave rectifier with filter, if the capacitance is increased, the ripple factor increases. True or false
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