A single phase heater absorbs 4 kW on a 240 V line. A capacitor connected in parallel with theresistor delivers 3 kVAr to the line.a)Calculate the value of line current.b) If the capacitor is removed, calculate the new line current.

Answered: Image /qna-images/answer/55c97535-6dc5-4a00-82b2-c2899d763c85.jpg

A single phase heater absorbs 4 kW on a 240 V line. A capacitor connected in parallel with the resistor delivers 3 kVAr to the line. a) b) Calculate the value of line current. If the capacitor is removed, calculate the new line current.

A single phase heater absorbs 4 kW on a 240 V line. A capacitor connected in parallel with the resistor delivers 3 kVAr to the line. a) b) Calculate the value of line current. If the capacitor is removed, calculate the new line current.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter26: Three-phase Circuits

Section: Chapter Questions

Problem 3PA: You are an electrician working in an industrial plant. A 30-hp three-phase induction motor has a...

See similar textbooks

Related questions

Q: For the network of Fig. (1), .Determine re, Zin, Zout, and AV

A: The required parameters can be obtained by using the DC analysis and AC analysis of the amplifier…

Q: For the following ac networks, determine, using the superposition theorem, the indicated currents.

Q: Two Alternators working in parallel supply a lighting bulb of 3MW together with induction motor load…

A: In this question, Two alternator are connected in the parallel and supplied to the power two…

Q: EX A.2 Sketch the transfer curve for a p - channel device with Ipss = 6 mA and Vp = 3 V.

A: Given, P-channel device having IDSS =6 mA VP = 3 V

Q: EXAMPLE 12.12 For the circuit of Fig. 12.19, determine the maximum power dissipated by the output…

A: The given circuit is a class B power amplifier circuit. The power dissipated by the output…

Q: i1(1) iz(1) 0.05 F i1 (1) 744 cos (2t – 118°) mA 6 H 10 2 10 Q v{(1) 10 Ω v2(1) Tite) iz (t) = 540.5…

Q: 2. Design an equivalent dual-transistor MOSFET circuit with biasing by constant

Q: Assuming the transistor is in its linear operating range, what do we expect the collector current,…

A: The circuit is given as Since transistor operate in linear mode.it means it is operate in…

Q: Given the following unity feedback system closed loop discrete transfer function: 10(1 – e T) T(2) =…

Q: 2. Find the mechanical power output of the 185 W, 110 V, 60 Hz, single-phase induction motor whose…

Q: 6.41.1 The voltage across an inductor with 2 H capacitance is 12. (1 – e-dr) v, where a = 1.2. If…

A: Inductor doesn't allow Sudden change of current.

Q: 9 baseboards heaters with a rating of 2,000 watts are running in an apartment for 12 Hours. What is…

Q: Q27/ A 6-pole, wound induction motor operates from a 3-phase, 50 Hz supply. The rotor parameters 3…

Q: If the frequency were doubled, what would be the new impedance? ... R E sine R = 113 ohms XL = 23…

A: We need to find impedance for given circuit

Q: • 1. Determine the value of R, for maximum power transfer. Also, determine the maximum power. 180v(…

Q: 1Ω + Vs +. 1 F v(t) 1 H ?For the circuit shown above, what is the amplitude of the voltage v(t)…

Q: Fill in the blank : For the circuit shown below, solve for Av VoD = 20 V Ipss = 10 mA Ro = 4.7 k2…

Q: If V1 = 60 V and R2 is set to 6 kW, what time after the switch is closed will the SCR conduct? For…

A: The Silicon Controlled Rectifier (SCR) is that the important and most useful member of the Thyristor…

Q: SIMPLIFY THE FOLLOWING (show complete solution): j1998+ j2005+ j100 1.

Q: The SCR is turned off when the * O Anode current is below holding current Anode current is above…

Q: The time-average power The total power crossing

Q: 1. A 240 V, 50 Hz, single-phasc capacitor start a.c. motor is loaded such that the slip is 6 %. The…

Q: B 4 A 10 A A R C Figura 3.22.

A: The solution is given below

Q: 2. A transfer function has the following zeros and poles: zero at s=-104 rad/s and s=0 poles at s=…

Q: A three-phase synchronous generator is connected to a step-up 3¢ transformer T1, which is connected…

Q: With the basic circuit diagram, explain the restricted earth fault relay for a transformer.

A: Procedure Three line CTs are connected in each phase of the transformer One terminal of CT is…

Q: For the following diagram find: The truth table The equation And Reduse as ne

Q: Q1) Simplify each of the following expression, you final answer should be in polar form, all angles…

Q: Fill in the blank : For the circuit shown below, solve for rL VDD = 20 V R, = 4.7 k2 IDss = 10 mA…

A: The small signal analysis can be easily done

Q: What type of control system is involved in the treatment of a patient by a doctor based on the data…

Q: 2. A balanced 3-phase voltage of 360 V line-to-neutrals is applied to a balanced Y- connected load…

A: Fig: Given 3 phase balanced circuit In the given circuit…

Q: point charge of Q1 = 25nC is located at P1 (4,-2,7) while charge Q2 = 60nC is at P2 (-3,4,-2). If…

A: In this question we will find electric field E at given point.

Q: A = yar + ay + Vx2 + y? Transform from Cartesian to cylindrical coordinates.

A: In this question we will convert Cartesian yo cylindrical coordinates...

Q: Explain briefly about AC Bias Operation with DC Load line analysis.

A: It is asked to briefly explain the AC bias operation with load line analysis.

Q: (b) Determine the value for V, and V2 in Figure 2 by using Ohm's law. 20 V 32 Figure 2

A: In this question, We need to determine the voltage V1 and V2 using the ohm law.

Q: -a·t 6.1.2 The voltage across a capacitor with 8 F capacitance is 2·t · e¯al v, where a = 1.2.…

A: The solution is given below

Q: ?What is the frequency of the following sinusoidal voltage signal v(t) = 134 cos (224t + 78° ) V…

Q: An FM radio broadcast used a modulator with a frequency deviation sensitivity of 5KHz/V, a 2Vp – 10…

A: The solution is given below

Q: 2- A hollow cylinder of length 2 m has its cross-section as shown in the Figure below. If the…

A: Please refer the attached images for the complete answer..

Q: 5. In the full-wave controlled bridge rectifier has an ac input of 120 V rms at 60 Hz and a 10 2…

A: The power electronics problem can be solved easily

Q: Explain through equations what happen if there is a phase error θc between the transmitted ASK…

A: Steps: Write equations when Bit is 1 and 0 Find input of LPF in both cases Then find out of LPF in…

Q: 14-26 A certain plane wave in sea water has an rms value for the electric field intensity vector of…

A: The solution is given below

Q: receiver connected to an antenna whose resistance is 50Ω has an equivalent noise resistance of 30Ω.…

A: We need to find noise figure .

Q: H. W: - LTI System, compute zero state response analytically x(n) = a"u(n) %3D h(n) = u(n) Find y(n)…

A: We need to find out output for given system.

Q: An electric field intensity Ez =1kV/m at point P(-2,1,-1) in free space is caused by a charge Qo…

Q: [Q1] Given the vector potential. A =0.3zsin (3x108t) e Wb /m Find Magnetic field intensity vector in…

A: The solution is given below

Q: PROBLE M 7.15 Determine VOUT versus vIN for the circuit shown in Figure 7.8 Assume that the MOSFET…

A: Solve the first question, unless the student has asked for a specific question to be solved, subject…

Q: 1- Describe how an oscilloscope can be used to measure the voltage and duration of an unknown signal…

A: Since you have asked multiple question, we will solve the first question for you. If youwant any…

Q: In the circuit shown below, at a particular instant of time, vc = 35.4 V, VL = 106.1V, VR=-27.6V;…

Q: 6.2.2 The voltage across a capacitor with 60 UF capacitance has energy function 14. cos“ (a · t) J,…

A: The solution is given below

Question

A single phase heater absorbs 4 kW on a 240 V line. A capacitor connected in parallel with the
resistor delivers 3 kVAr to the line.
a)
Calculate the value of line current.
b) If the capacitor is removed, calculate the new line current.

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 3

VIEW

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

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 utility company plans to connect a total of 20uF of capacitance to a 7200 volt line. To make this connection four capacitors will be connected in series. What is the capacitance of each capacitor? Answer is 80uF. What is the minimum AC voltage rating of each capacitor? Answer is 1200 volts. What is the current flow through the circuit? And what is the minimum kVAR rating of each capacitor?
Use 3 decimal places and box the final answer. A 4-ohm resistor is in series with a 7.96-mH inductor connected across a 110-V 60-Hz source. Determine : a) the impedance b) the input current c) the voltage across the resistor and the inductor d) Draw the phasor diagram showing the current and the voltages. e) The power factor and the power input to the circuit.
Answer the following: a. A capacitance is connected to a 115 V, 25 Hz mains and takes a current of 5 A. find the current when both the capacitance and frequency are doubled. b. A 220 V, 60 Hz circuit draws a current of 11 A with a power factor of 0.8 lagging. Find the resistance of the circuit.
1. A load of 50 ohms resistance and 0.4 H inductance are connected in series to 100 volts, 60 hz a-c source. What must be the value of the capacitance to be connected in parallel to the circuit to raise the power factor to 0.96 lagging. Draw the circuit diagram.
13. A circuit is composed of a resistance of 22 ohms, an inductance of 0.11 henry and a capacitance of 12 microfarad, all connected in parallel to a 115-volt 60-Hz supply. Calculate the power factor of the circuit 0.877 lagging 0.918 lagging 0.918 leading 0.877 leading
In case RL load, it is desired to get an average load voltage of 75 V. Determine the firing angle if the ac supply voltage is 200V per phase. If the load resistance is 302, calculate the average load current and power. Design the thyristor. 4-
III. Problem Solving. Compute up to FOUR decimal places. BOX your final answers (with units). 1. What is the equation of the waveform in figure 1? 2. A coil takes 15A from a 250V source. When a 20 Ohm resistor is connected across the coil. The combination draws a total current of 25A. Determine the resistance and inductive reactance of the coil. 3. In the single-phase power system in figure 2, determine the voltage, Vab, and current, I b, being received by the load, 10 +j15 N. V, volts 10 ms AV 100 V Figure 1 250 V 0, deg t, msec CS Scanned with CamScanner j8n 120280°V 12 j3N 252 M €150 121 j45 1 1.250 /150 2.5.2 b Figure 2 j6n j12A
An inductive reactance of 6 ohm is connected in series with a parallel combination of a variable resistor R and a capacitive reactance of 15 ohm across 100V , 50 hz supply. a. Solve for the frequency so that the magnitude of the inductive reactance is 2 times the magnitude of capacitive reactance. b. Solve for the value of R so that the total current I will be maximum.
57. An RLC series circuit connected to a 110-volt and 50-cycle AC source, contains the following series resistances and reactances: R1=10 ohm, R2= 15, XL1=20 ohms, XL2=25 ohms, XC= 40 ohms. Find the following a. Total inductance in millihenry b. total current c. reactive power
2. A coil of resistance 52 is connected in series with two inductance coils 120mH and 25mH connected is connected to a 215V, 50 Hz supply. Calculate (a) the current flowing, (b) the phase difference between the supply voltage and current, (c) the voltage across the coil and (d) the voltage across the resistor. Draw the phasor diagram.
Functions/Interface/acellus_engine.html?ClassID=500072518 Two step-up transformers are connected in series, the secondary of the first to the primary of the second. Both transformers have the same turns ratio, and are identical. If the input voltage is 12.0 V AC and the output voltage is 300 V AC, what is the voltage, Vint, in between the two transformers? Vint = [?] V St Voltage (V) 023 International Academy of Science. All Rights Reserved. DELL Enter 68°F C
A2 KO resistor and 30 mH inductor are connected in series, across a 120 V A.C power source oscillating at 60 Hz frequency .Calculate i) The current in the circuit i) The voltage drop across the resistor & inductor ii) The power dissipated in the circuit. iv) The apparent power & reactive power in the circuit. v) Draw the phasor diagram.