As an example of the use of such a wattmeter in measuring average power, let us consider the circuit shown. The connection of the wattmeter is such that an upscale reading corresponds to a positive absorbed power for the network to the right of the meter, that is, the right source.

As an example of the use of such a wattmeter in measuring average power, let us consider the circuit shown. The connection of the wattmeter is such that an upscale reading corresponds to a positive absorbed power for the network to the right of the meter, that is, the right source.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter17: Resistive-inductive Series Circuits

Section: Chapter Questions

Problem 3RQ: 3. What is power factor?

See similar textbooks

Related questions

Q: Q(1): For the figure shown below, use nodal analysis to find the value of Vo

Q: 2. Estimate the distance over which a load of 12000 kW at a p.f. 0-65 lagging can be delivered by a…

A: First we will find current from power, power factor and voltage. Power losses=3×I2×total resistance…

Q: The power company supplies 80 kW to an industrial load. The load draws 220 A rms from the…

A: According to question:

Q: bläs 3 For the admittance locus shown below, if Vs=10Cos4t Volt. Find the maximum power delivered…

A: Given, AB=BCAB=2×0.5AB=1 The value of the admittance, Y1 is given by: Y1=G-jB=1-j The value of the…

Q: Find the total average power absorbed and the total average power supplied in the network from the…

A: Fig: Given circuit calculate z1…

Q: Given the network shown determine the input voltage phasor Vs in rms units using complex power if…

A: The complex power in an AC system is defined as the product of rms value of applied voltage and…

Q: Consider a transmission line of characteristic impedance 50 ohms. Let it be terminated at one end by…

A: Given: Characteristic impedance, Z0=50 Ω Load impedance, ZL=j50 Ω

Q: [Q8] Consider a transmission line of characteristic impedance 50 ohms. Let it be terminated at one…

A: In this question we need to find a VSWR of the given transmission line.

Q: A transmission line has a characteristic impedance of 100 ohm and a resistance of 0.2 ohm/m. If the…

A: A transmission line can be characterized by 4 parameters:1. Resistance per unit length (R)2.…

Q: A transmission line section and shows an input impedance of 36 2 and 64 respectively, when short…

A: Given, A transmission line section has, Input impedance when short circuited, Zsc=36 Ω. Output…

Q: A generating station has a connected load of 43,000 kW and a maximum demand of 20,000 kW, the units…

Q: 3. If a transmission line with an impedance characteristic of 50 ohm is connected to a load with an…

Q: Determine the complex power absorbed by the voltage source

A: In this question, Determine the complex power absorbed by the voltage source? Complex power S= VI*…

Q: A load of 145 MW at a power factor of 0.9 lagging can be delivered by a 3-phase transmission line.…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: The open circuit and short circuit impedance of a transmission line are 200 ohm and 50 ohm…

A: Given data:

Q: For maximum average power transfer in the circuit shown in the figure, set the impedance ZL and ZL…

A: In the circuit, For maximum average power transfer in the circuit shown in the figure, impedance…

Q: A system has connected load of 120 kW, peak load of 100 kW, base load of 25 kW and average load of…

A: Given, A system has Connected load of 120 kW, Peak load (Max. demand) of 100 kW, Base load of 25 kW…

Q: A building, supplied by a 230 Vrms source and with inductive loads, has an average consumption of…

Q: Problem: An industrial load takes 20 kW at 0.71 pf lagging from a 440 volt RMS supply. If a capa…

A: Industrial load 20KW at lagging power factor 0.71 Voltage 440V Now connect capacitor of rating…

Q: For the figure shown below, use nodal analysis to find the value of Vo

Q: An engine consumes 50 kW at a power factor 0.8 lagring.from a 220 Vrms and 100Hz line, find…

Q: Q10/ For the network of Figure below, determine:

A: Given Data: hfe = 120 hie = 1.175 kohm hoe = 20 uA/ Rb = 330 kohm

Q: For the cct shown Find ZT, I,e, phaser diagram =100L I.

A: Given U =100∠0°R =8 ΏXL =6Ώ

Q: An industrial plant is connected to a 600 Vrms, 90 Hz power line and draws 90 kW at a lagging power…

A: The complex power in an AC system is defined as the product of rms value of applied voltage and…

Q: For the circuit shown, what is the complex power, S. consumed by the load impedance? (Assume the…

A: To solve above problem, one should have basic idea about working of AC circuits. Above given circuit…

Q: In the network, find the value of ZL for maximum power transfer. The load impedance has both…

Q: TRUE OR FALSE? On the electric power grid, supply must equal demand at all times, otherwise…

A: The solution to the above question is provided in the following steps.

Q: Calculate the average power transferred by the source in the circuit given below

A: According to question: The circuit is redrawn as The values of impedance Z1, Z2, Z3, and Z4 at…

Q: Consider a transmission line of characteristic impedance 50 ohms. Let it be terminated at one end by…

Q: A building with inductive loads has the average consumption of 40kW and 26kVAR. At the are location…

A: In this question we need to find a average current , effective impedance and surcharge

Q: Find the average power delivered to the circuit and Find the power factor of the circuit, and…

Q: A load of 120 MW at a power factor of 0.8 lagging can be delivered by a 3-phase transmission line.…

A: Solution:- Given, PL-3ϕ =120 MW PL-1ϕ = 40 MW Pf = 0.8 lagging VR-1ϕ = 45 × 1033= 25.9807 KV Single…

Q: Q2.) For an AM Radio channel, calculate the power efficiency of this system when the carrier…

Q: From the circuit given below, How can I find the value of load Z for the maximum power transfer and…

A: According to question: The value of 'Z' for maximum power transfer is calculated as…

Q: For a single phase ac voltage controller/chopper, which is designed by using thyristors, with the…

Q: For the maximum average power transfer in the circuit shown in Figure 2, use the impedance ZL and ZL…

Q: Determine: a. The network power factor b. The network phase angle c. The network impedance d.…

Q: using the circuit below. if Vth = 40 Volts and Rth = 130 Ohms. Rth ww Vth Current flowing through RL…

Q: For a single phase ac voltage controller/chopper, which is designed by using thyristors, with the…

A: A rectifier circuit is used to rectify the AC power generated by this source to the DC power that…

Q: Given that Vin 110230° V find Vanand Ven assuming a positive (abc) sequence. %3D

Q: What will be the average power in the load for the circuit shown, when alpha = π/4 Assume SCR to be…

Q: PROBLEMS ! A 130 - VOLT 50-CY CLE SOURCE IS CONNE CTED TO SERIES CKT, CONSISTING OF A 402 RESISTOR…

Q: For the admittance locus shown below, if Vs=10Cos4t Volt. Find the maximum ?power delivered to the…

A: given Vs = 10cos4t Vmax =10 volt P= V2/R =V2*Gmax Pmax = (10)2 * 0.5 = 50 watt

Q: : For the figure shown below, use nodal analysis to find the value of Vo

A: The first thing we need to do is to label the circuit and draw the currents that are flowing in and…

Q: Q2// Explain the terms, connected load, load factor, plant use factor, diversity factor.

A: Explain Connected load Load factor Plant use factor Diversity factor

Q: Problem 9: Determine the complex power absorbed by each passive component in the circuit shown…

Q: ) For the circuit shown, determine a) Vo cVz. Power at (3ua) & (2011) Зил Shs 10MA 20ks ns-[a)15V,…

A: In this question we will find voltage drop and power across 3k ohm and 20 k ohm resistor using KVL…

Q: You have been employed as an electrical engineer by a power transmission company to design a short…

A: The power plant can draw as

Q: dwelling units, the lighting load demand factor for the computed load above 120,000 VA is

A: The solution is given below .

Question

Еxample
As an example of the use of such a wattmeter in measuring
average power, let us consider the circuit shown.
The connection of the wattmeter is such that an upscale reading
corresponds to a positive absorbed power for the network to the
right of the meter, that is, the right source.
10 0
10 N
V =
100 /90° (*
( O
V2 =
100/0°
leee
V
V

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

Sinusoids and Phasors of Alternating Circuit

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

Define Power Factor in five ways with respect to each of the following: >angle between the voltage and the current >from impedance triangle >from power triangle >from voltage triangle >from current triangle
primary lines exist in electrical post, wht is the range of voltage passing thru this part of the post. A. 400 V B. 230 V C. 10 000 V D. 13800V
Using THEVENIN'S or NORTHON'S THEOREM, determine the value of RTH (in ohms).
1. Determine the peak voltage and the peak power delivered to R, in the following figure: 2:1 115 Vrms eeeee 00000 www RL 220 2
2. For the characteristics below. Determine the ff: a. ac resistance at l,=2mA. b. ac resistance at I,=25 mA c. Compare the results of part (a) and (b) to the dc resistances at each current level. Ip(mA) 30 25 20- 15- 10- 2 Ala 0.1 0.2 0.3 0.4 0.5 0.6 0.7 08 0.9 Vo(V) AV
Q2/ Find Yous for the power system all reactance on a common base. Bus 3 j0.25 j0.10 j0.25 Bus 2 j0.125 Bus 1 j0.40 j0.20 j0.10 Bus 4
Using Nodal analysis, find for the value of V0. Let the voltage source equal 10 Volts (AC)
a. Using Ohm’s Law, compute the voltage and current for eachcomponent. Use the formula Z = Vt / It. b. Compute and record the magnitude and phase angle of the impedanceusing the equation Z= R + RL + jXL – JXC. Use 3uF for the value of C,1.006H for the value of L and for the resistance is computed based onthe specification of the lamp. c. Compute and record for the total power using the formula: Pcomputed = Scosθ d. Compute and record the reactive power and apparent power using theformula Scomputed = V2/ZQcomputed = √S2 − P2 e. Compute for the reactive power (measure) and apparent power(measured) using the formula.Q = PtanθS = P/ cos θ f. Compute the percent difference between the measure and the computedvalue of the impedance.
Discuss the differences between the current coil and voltage coil of a wattmeter from a design point of view.What will be the consequences if the current coil and voltage coil of a wattmeter are interchanged by mistake?What are the possible errors in this measurement?Can you measure power in an ac circuit by using an ammeter and voltmeter? If No, why? If yes, how?What is to be done if the wattmeter reads in the negative direction?
17. Inductive susceptance is measured in:A. Ohms.B. Henrys.C. Farads.D. Siemens.
What will be the value of the twiddle factor: W42
A power supply A delivers 10 V dc with a ripple of 0.5 V r.m.s. while the power supply B delivers 25 V dc with a ripple of 1 mV r.m.s. Which is better power supply ?