The following information is given in connection with a parallel connected impedances: Z,= (13 – j7.5) ohms, Z, = (R + j10) ohms. Determine the value of R if the power factor is:(a) 1; and (b) 0.75 lagging.

Answered: Image /qna-images/answer/af010c8d-ff40-4eda-9a79-e182d7e1a0f3.jpg

Answered: = (13 - j7.5) ohms, Z, = (R + j10)…

= (13 - j7.5) ohms, Z, = (R + j10) ohms. Determine the value of Rif the power factor is: (a) 1; and (b) 0.75 lagging. %3D

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

Related questions

Q: Find out the field strength at 30 km away from a transmitting antenna of 625 kW power.

Q: Consider the following homogeneous linear DE: y" + 8 a² y' + 4y(t) = 0 where a is a constant. Indica...

A: Given the following linear DE as given below: y''+8α2y'+4y(t)=0 where α is a constant. We need to in...

Q: Problem 2 For the circuit shown, use Nodal Analysis to determine the values of the voltages Va, Vp a...

A: Given

Q: 8. Determine voltages v1 through v3 in the circuit shown below using nodal analysis. [Use O instead ...

Q: The loosest type of coupling is A. data coupling B. control coupling C. external coupling D. ...

A: Out of the given couplings data coupling will be the loosest coupling. Generally loosest coupling ...

Q: You shall develop a Voltage meter that can display direct voltage values in -24 mV(olt) to 36 m(Volt...

Q: Determin R.

Q: Design an op-amp circuit to yield the relationship shown in each equation. Vo = V1 + 10V2 – 3...

A: a) Assuming, Rmin=Rf=6kΩ Inverting input V1 and V2 using inverting amplifier: Taking Rin=Rf, The ou...

Q: Q1: A wire warped around the following ring with 100 turns. the diameter of ring is 10 cm.the curren...

Q: For the circuit below calculate Zin in rectangular form if w = 100 rad/s L=0.04H R=10 V out C=0.25F

Q: 4. A step-down transformer is used to change 220 to 12 V. If a resistive load consuming 3 connected ...

Q: Build the following RC circuit with 6.3 v AC supply, 1000 ohm resistor, 2.2 if capacitor

Q: Find i and Vo in the circuit below:

Q: Using TM(1,4,5,6,7,8,9,14,15,22,23,24,25,28,29,30,31) K-map find out the most simplified expression ...

A: Brief description : In digital circuits we have following technique to reduce the Boolean expression...

Q: 3) The region where an amplifier is operating in a linear format is represented by: a) The positive ...

A: 3) The region where an amplifier is operating in a linear format is represented by: 4) For osc...

Q: Q1: For the below network, find currents Is, 12, and 16, calculate voltages V1 and V5 and determine ...

Q: D: has been eaten

A: Answer According to given information

Q: What test instrument will you use to make a modulated signal visible? a VOM b. Frequency counter C. ...

A: VOM is simple multimeter only it can measure voltage ,current , resistance. Frequency counter can on...

Q: Given: (DC.1)Hex - (11001.1)Bin. What is its difference in Octal form?

A: Binary code is defined as the code having only 0 and 1 digit for any number. This code is used by co...

Q: Given the ff. second-order differential equation: y[n] + 1.4y[n-1] + 0.45y[n-2] = x[n] - x[n-1]

Q: How many lines are there in an NTSC signal? a) 1024 b) 1856 c) 625 d) 525

A: 1. The majority of 60Hz-based countries employ the NTSC technology, which was created in the United ...

Q: 1.8 The power delivered to an element is p = 12 sin 4t W and the voltage is v = 4 sin 2t V. Find the...

A: The solution is given below

Q: 3. Vo, and Ig 12V Si 12V 어 Ge 2.2 k2

A: We need to find out current and voltage for given circuit

Q: If you wanted to design a circuit to monitor the state of 16 discrete digital inputs using the least...

Q: Determine the power of the 10V-source using Thévenin’s theorem. Is the source active or passive? Exp...

A: Given the circuit network as shown below: We need to determine the power of the 10 V source using T...

Q: A parallel-plate waveguide has plate separation d = 1 cm and is filled with Teflon having dielectric...

A: Waveguides-Waveguides are nothing but a guided medium to transmit electromagnetic energy from one pl...

Q: S. Use k-map method to derive the simplified POS expression for the given: F= (X+Z')(Z+WY)'+ (VZ+WX'...

A: Firstly lets expand the expansion as shown below

Q: Find the sinusoids represented by the following phasors. a. V = j4e-/30 b. V = -j8el45 c. 1= -j(4 - ...

Q: Calculate the capacitative reactance and the voltage in each point. Also calculate the current and t...

Q: Example: Suppose that an analog signal is given as x(t) = 5cos (2n x 10 t) and is sampled at the 8kH...

Q: 2. Solve for I, I, and Vo in the circuit below. Hint: Express I, in terms of Is and I, + Vo - 42 IN ...

A: In this question, We need to determine the currents as shown in the circuit. We are solving this qu...

Q: 22.2.1 Resistors In Combination Problem 13 Description: (a) For the circuit shown in the figure, the...

Q: Write all pertinent computations to justify your final answer. Final answers must be enclosed with a...

Q: The

Q: For the circuit below calculate Zin in rectangular form if w = 100 rad/s L=0.04H R=10 V out C=0.25F

Q: A conductor has a size of 500 MCM, what will be its size in square m?

Q: Assume you are an engineer in charge of a project and one of your subordinate engineers reports that...

A: Given that , circuit contains voltage source with current direction flowing through it. We have to f...

Q: An electric skillet draws 5000 mA at 220 V. Assuming that everything is constant and the voltage dro...

Q: In a series RL circuit, if cos 0 = 0.707, the voltage the current by

Q: Design a three-section binomial transformer to

Q: Consider the system y(t) = x(t)cos(wt). %3D

A: Note- “Since you have posted a question with multiple sub-parts, we will solve first three subparts ...

Q: 1.9The numerical values for the voltages and the currents in the circuit of Fig. P1.9 is given in th...

A: This question belongs to circuit theory . It is based on the concept of power absorbed and developed...

Q: Transform the following sinusoids to phasors a. i(t) = 6cos (50t - 40') A b. v(t) = 12cos (377t - 30...

A: Since you have posted a question with multiple sub parts , we will solve first three sub parts for y...

Q: An alternator has 8 poles. (a) At what speed must the machine be driven to develop 75 cycles? 40 cyc...

Q: An impedance of 12 – j7W, an inductor having a susceptance of 0.225 mho, a capacitor having a suscep...

A: In this question, impedance of 12 – j7W, an inductor having a susceptance of 0.225 mho, a capacitor...

Q: -10- 10 V(V) (17 V (h) ESV 2.2 AD Figure 2.132 Problems 2, 3 2. (a) Using the characteristics of Fig...

Q: Find the charge on the capacitor in an RLC series circuit where L = 2 H, R = 24Ω, C = 0.005 F, and E...

A: GIVEN: L=2HR=24ΩC=0.005FE(t)=12sin 10t V FIND: Charge on the capacitor in RLC series c...

Q: A 400 W, 5-A series motor is connected to a 110-V voltage source. (a) Find the motor's torque? (b) W...

A: Given a serie Motor with output power = 400 w and it takes a current of 5 A when it is connected to ...

Q: armature winding of a 200-V, 4-pole, series motor is lap-connected. There are 280 slots and each slo...

A: We need to find out speed for given motor

Q: A transistor output noise voltage is measured at 15microvolts when the standardized noise source is ...

Concept explainers

Digital Integrated Circuit Design

Digital IC design is a procedural interaction that involves converting determinations and highlights into computerized blocks, which are then further transformed into basic circuits. A significant number of the imperatives related with advanced IC plan come from the foundry cycle and innovative restrictions.

Question

The following information is given in connection with a parallel connected impedances: Z,
= (13 – j7.5) ohms, Z, = (R + j10) ohms. Determine the value of R if the power factor is:
(a) 1; and (b) 0.75 lagging.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

P-channel Metal-Oxide Semiconductor (PMOS), N-channel Metal-Oxide Semiconductor (NMOS), and Complementary Metal-Oxide Semiconductor (CMOS)

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, electrical-engineering and related others by exploring similar questions and additional content below.

Similar questions

A ower system is operating at 1000Mw, 132kV, 50Hz, with 0.8 p.f. laging in parallelwith another line at 750OMW, 132kV, 50Hz with 0.707 p.f. lagging. Both are interconnectedat the station and when the compensating device is on, the overall power factor isimproved to 0.9 lagging. Suggest suitable capacitors, shunt and series. Individual loadsand combined load are to improve power factor to 0.9 in all cases.
For the given 3-phase power transfer, a star system is associated with a greater insulation. Select one: True False
The sending-end voltage in the circuit seen is adjusted so that the load voltage is always 13,800 V(rms). The variable capacitor is adjusted until the average power dissipated in the line resistance is minimum. 1. a) If the frequency of the sinusoidal source is 60 Hz, what is thevalue of the capacitance in microfarads?2. b) If the capacitor is removed from the circuit, what percentageincrease in the magnitude of Vs is necessary to maintain 13,800V(rms) at the load?3. c) If the capacitor is removed from the circuit, what is thepercentage increase in line loss?
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.
Under balanced operating conditions, consider the three-phase complex power delivered by the three-phase source to the three-phase load. Match the following expressions, those on the left to those on the right. (i) Realpower, P3 (a) (3VLLIL)VA (ii) Reactive power, Q3 (b) (3VLLILsin)var (iii) Total apparent power, S3 (c) (3VLLILcos)W (iv) Complex power, S3 (d) P3+jQ3 Note that VLL is the rms line-to-line voltage, IL is the rms line current, and is the power-factor angle.
a) You have been employed as an electrical engineer by a power transmission company to design a short transmission line to supply power to a light-industrial load consumer with power system specification as follows, a 3-ph, 60Hz overhead short transmission line with a line-to-line voltage of 23KV at the load end, line impedance of 2.48 ±j6.57Ω/phase, the industry has a cumulative consumption of 9MW with a power factor of 0.85 of lagging as a result of several induction motor on its production lines.As part of the regulations for connections to the grid, you are to provide justifications and values to the Energy Commission of Ghana.(i) What would be value of the voltage between the live conductor and the neutral, between live and live voltages at the industrial premises of the factory?(ii) What load angle would expect the factory to be operating at?
A short 3 phase transmission line, connected to a 33kV, 50 Hz generating station at the sending end is required to supply a load of 10Megawatts at 0.8 power factor lagging, 30kV at the receiving end. If the minimum transmission line efficiency is to be limited to 96%, estimate the per phase values of resistance and inductance of the line.
Using a test equipment, Vmax was found to be 5V while Vmin is 1V. The distance between voltage maximas is 14 cm and the first maximum was found to be 7 cm from the load. What is the load impedance if the characteristic impedance of the line is 75 ohms?
From the circuit given below, How can I find the value of load Z for the maximum power transfer and the maximum average power transferred?
transmission line with an impedance of 35 Ω is connected to a load of impedance of 300 Ω, then the value of VSWR assuming that the line impedance is decreased by 30 % and load impedance is increased by 40%.
S.2) The serial impedance of the 300 km power transmission line is 23 + j75 ohm / phase and the shunt acceptance is j500 microS / phase. A power of 50 MW with a power factor of 0.88 under 220 kV interphase voltage from the end of the power transmission line being shot. Using these data of the energy transmission line, a) Characteristic impedance of the energy transmission line, b) Natural apparent power of the energy transmission line according to the 220 kV interphase operating voltage, c) The values of the line parameters A, B, C and D of the transmission line using hyperbolic functions, d) Calculate the maximum power that the power transmission line can transmit.
TRUE OR FALSE? On the electric power grid, supply must equal demand at all times, otherwise frequency can swing outside the accepted limit. Storage, transmission, and demand response can help to meet this constraint.