The motor inside a blender can be modeled as a resistance in series with an inductance, as shown in the given figure. Thewall socket source is modeled as an ideal 120 V rms voltage source in series with a 2-ohm output resistance. Assume thesource frequency is w = 377 rad/s.Given:R=11.1 ohm(+10)202www120 VFeWallsocketwwweleR2020 mlBlendermotorProblem 07.021.dWhat value of capacitor when placed in parallel with the motor will change the power factor seen by the voltage source to 0.9 lagging?(Round the final answer to two decimal places)The value of the capacitor that will change the power factor to 0.9 lagging isHF.

Answered: Image /qna-images/answer/246c0126-162a-4d41-acff-b100667b7b5c.jpg

wall socket source is modeled as an ideal 120 V rms voltage source in series with a 2-ohm output resistance. Assume the source frequency is w = 377 rad/s. Given: R=11.1 ohm 11+ 202 ww 120 V Wall socket Problem 07.021.d ww R 20 ml Blender motor What value of capacitor when placed in parallel with the motor will change the power factor seen by the voltage source to 0.9 lagging? (Round the final answer to two decimal places)

wall socket source is modeled as an ideal 120 V rms voltage source in series with a 2-ohm output resistance. Assume the source frequency is w = 377 rad/s. Given: R=11.1 ohm 11+ 202 ww 120 V Wall socket Problem 07.021.d ww R 20 ml Blender motor What value of capacitor when placed in parallel with the motor will change the power factor seen by the voltage source to 0.9 lagging? (Round the final answer to two decimal places)

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

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.18P: Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of...

See similar textbooks

Similar questions

Let a series RLC network be connected to a source voltage V, drawing a current I. (a) In terms of the load impedance Z=ZZ, find expressions for P and Q, from complex power considerations. (b) Express p(t) in terms of P and Q, by choosing i(t)=2Icost. (c) For the case of Z=R+jL+1/jC, interpret the result of part (b) in terms of P,QL, and Qc. In particular, if 2LC=1, when the inductive and capacitive reactances cancel, comment on what happens.
The motor inside a blender can be modeled as aresistance in series with an inductance, as shown inFigure.a. What is the average power, PAV, dissipated in theload?b. What is the motor’s power factor?c. What value of capacitor when placed in parallelwith the motor will change the power factor to 0.9(lagging)?
The 9 Ω resistor in the circuit is replaced with a variable impedance Zo. Assume Zo is adjusted for maximum average power transfer to Zo. 1. a) What is the maximum average power that can be delivered toZo?2. b) What is the average power developed by the ideal voltage sourcewhen maximum average power is delivered to Zo?3. c) Choose single components from Appendix H to form animpedance that dissipates average power closest to the value in part(a). Assume the source frequency is 60 Hz.
chapter 1 Q1 The rms value the AC input voltage to the of Circuit shown is 230U, and the firing angle is maintained Current is 5 A. constant at 45° so that the load a) Calculate the de output voltage. b) Assume that the load resistance remains the a same, find the current is a FWD is used at the output. c) If^ prime prime ScR^ prime prime " is open circuited, find load voltage and current a is the Same) (FWD is still connected and high. "L Load Ans[146.4U,6.03A ; 3.c2A] 3 3 FWD
Consider the two industrial loads that are connected to the source as shown in Figure. We would like design a compensation system to correct the power factor as seen from the source. The Source and the feed line between the source and 40kW source is not accessible, but the feed line between the loads is in the factory, although it is fixed (you cannot change it). The voltage across the 18kW load must be kept constant at 220V(rms).(a) Calculate the value of Vs, without compensation.(b) How must we connect the compensation capacitor(s) to the system? Possible choices are:Between the terminals ofi. the source,ii. the 40kW load,iii. the 18kW load,iv. both loads,v. the source and both loadsJustify your answer.(c) We want to set the power factor of the source to 0.96 (lagging). Calculate the impedanceof the capacitor(s) required, according to choice you made in part (b). The frequency ofthe operation is 50HZ
What is rms value of current (I) and active power delivered by source.
Describe the operation of a power factor correction capacitor and its role in improving power efficiency.
Describe real and reactive power regulation
A transformer has a ratio of 4:1. The high voltage side is connected to a 240 Vrms source. The low voltage side (secondary) is connected to an impedance ZL = 20 + j10 Ω.a. What is the value of the load impedance when referred to the primary?b. (in A rms) What is the current out of the source?
For the circuit shown in the given figure, assume that Vg˜=45 ∠0 V rms��~=45 ∠0 V rms , Rg = 9 Ω, and Ro = 5 Ω. Assume an ideal transformer. The power Psource supplied by the voltage source. The power Psource supplied by the voltage source is ________ W.
Explain the concept of power factor correction and its importance in power systems.
A transformer has a ratio of 4:1. The high voltage side is connected to a 240 Vrms source. The low voltage side (secondary) is connected to an impedance ZL = 20 + j10 Ω.a. (in Vrms) What is the value of the source voltage when referred to the secondary? b. (in A rms) What is the current at the secondary?c. (in V rms) What is the voltage at the secondary?