Answered: three-phase load has a line voltage of…

three-phase load has a line voltage of 480V and a line current of 10A. What is the three phase apparent power of the load? Possible answers 8.3kVA 4.8kVA 14.4kVA 9600VA

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 2.21MCQ: The three-phase source line-to-neutral voltages are given by Ean=100,Ebh=10+240, and Ecn=10240volts....

See similar textbooks

Related questions

Q: A three phase star-connected load is drawing power at a voltage of 0.9 pu and 0.8 power factor…

A: Given: Base voltage Vb=0.9 pu Power factor cosϕ=0.8 lagging Base KVA=100 MVA=100×103 kVA Base…

Q: The given three phase load impedance is ZZ¢ then the power factor of the circuit is

A: Given impedance Z∠∅

Q: A three-phase source has a phase sequence of EAB - EBC - ECA and delivers the following delta load…

A: Given data, Phase sequence = ABC, E→AB = 230∠0°V

Q: The voltage across a 3 - phase unbalanced load are Va = 200 ∠40° Vb= 320 ∠ 190° Vc=480 ∠340°.…

A: We have an 3-phase unbalanced load as, Va = 200 ∠40° Vb = 320 ∠190° Vc = 480 ∠340° We have been…

Q: 2. Determine the line currents for the three-phase circuit shown below. Let V. = 11040°, Vb = 1104 -…

A: We need to find out current for given circuit

Q: Given a wye connected load Z1 = 9 + j12 , Z2 = 9 – j12 and Z3 = 15. Source voltage equal 230V…

Q: A three-phase source has a phase sequence of EAB - Eac - ECA and delivers the following delta load…

Q: Which of the following will be the per-phase load impedance for a Y-connected load, if a three-phase…

Q: A Single-Phase Line has an Impedance of 5.75∠56° Ω and supplies the load with 150 A at 3400 V and…

A: Given data: Z=5.75∠56° ohm Ir=150A cos ϕr=0.84 lag

Q: I need to know how to get the last three parts of this problem. A line voltage of 208 V is connected…

Q: Q1: The currents of 3-phase system are la = 350-90, = 600-90 and I 250 Compute the un-symmetrical…

A: The solution is given below

Q: 1. Given:wye-wye(balanced) Three phase generator impedance per phase:0.6+0.10j Three phase load…

A: Given system is star connected. In star connection line voltage is equal to 3 times of phase voltage…

Q: Refer to the A-A circuit in. load impedance is Z. = 12 + j9 N per phase. 1. Find the line and phase…

Q: 8. What is the total apparent power in a balanced delta three-phase load if the line voltage is 480…

Q: What is the complex power delivered to the three phase load of a four-wire Y-Y circuit. The phase…

A: load current = per phase load voltgaeload impedance for balanced system complex power delivered to…

Q: in a Y-Y system a line voltage of 220 V produces a phase voltage of

A: for star connected system, Phase voltage = Line voltage3 and phase current = line current . Given…

Q: The voltage VAN in the single-phase equivalent circuit for a balanced three-phase circuit (positive…

A: Given, For the single phase equivalent circuit of a balanced three-phase +ve sequence circuit, The…

Q: In a three-phase balanced Y-Y system, the line current in each phase has a magnitude of 27 A. The…

Q: Determine the line currents as well as the phase or load voltages in the given circuit. а Ta A…

Q: A three-phase transmission line is connected to a load. The sequence components of the line-…

Q: 11.65 The following loads are served by a balanced three-phase source: Load 1: 18 kVA at 0.8 pf…

A: In this question we need to find a power factor at the source

Q: (c) The phase voltages across a certain load are given as, Va = (176 – j132) V V, = (-128 – j96) V…

A: As per the rules we can answer only one question, please post the remaining question as the separate…

Q: The phase currents in a delta-connected three-phase load are as follows: between the red and yellow…

A: Given,IR=30A at PF 0.707 leadingIY =20A at unity PFIB=25A at PF 0.866 lagging

Q: VRY = 220 cis 0°, VYB = 220 cis -120° and VBR = 220 cis -240°. IR = 10 cis 0°. The load is balanced…

Q: Three equal impedances of (8 + j6) ohms are connected across a 3-phase supply. The phase voltages…

A: Power system has loads and sources present. They can be balanced and unbalanced. For easy…

Q: A balanced, three-phase circuit is characterized as follows: Y-Δ connected; Source voltage in the…

A: Concept: Balanced source means all phase or line voltages or current magnitude will same and phase…

Q: /A Three-Phase Line has an Impedance of 7∠55° Ω and supplies the load with 115 A at 3300 V and 0.85…

A: A 3 phase balance system The Line Impedance = 7∠55° Ω per phases The supplies the load with 115 A…

Q: Using Negative Phase Sequence Determine: a) Phase Voltages Power delivered to the load USE3 DECIMAL…

A: The circuit can be redrawn as Here we can see that the given circuit is balanced. So, we can…

Q: 3. The sequence component of phase a currents are: Iao = 0 A; Ia1 = 10 + j5 A; Ia2 = 8 -j5 A.…

Q: be A three-phase source has a phase sequence of EAB - EBC - ECA and delivers the following delta…

Q: If the Ival = |vrl= 30kV (Three Phase ) and the line reactance X = 10 ohm per phase. The maximum…

A: Given, Sending end voltage, VS=30 kV Receiving end voltage, VR=30 kV The Line reactance, XL=10 Ω

Q: The equivalent impedance per phase of a star-connected load are as follows: Za= 100 Ohms, Zb-j5…

A: In this question, We need to determine the line current, total power factor of the load and total…

Q: A three-phase source has a phase sequence of EAS- Esc - ECA and delivers the following delta load…

Q: 2. The sequence component of phase a current are: Zero sequence current Positive sequence component…

A: It is given that:…

Q: In a 3-phase balanced delta connected system cosine of angle between line current and phase current…

A: Choose the correct option What is angle difference between phase current and line current?

Q: In a balanced three-phase ABC system, the line voltage ____ the phase voltage and the line current…

A: Correct option is c) leads,leads

Q: In a balanced 3-phase system, Van=100<30 degrees V and Vcn=100<-90 degrees V. Which of the following…

A: In this question we need to choose a correct option.

Q: 4. In a balanced A-Y circuit, VAR 240L15° V and Zy = (12 + j15)N. Calculate the line currents.

Q: Van = 208 cos (t + 76°), Vbn = 208 cos (t + 316°), Vcn = 208 cos (t - 164°)" A POSITIVE PHASE…

A: We need to tell about the sequence of given phase system

Q: 2. Determine the line currents for the three-phase circuit shown below. Let V, = 11040°, V½ = 110 -…

A: In this question, 3 phase balanced star connected source is supplied to the unbalanced load. We…

Q: A three-phase source has a phase sequence of EAB - EBC - ECA and delivers the following delta load…

Q: A 13.8-kV, single-phase generator supplies power to a load through a transmisson line. The loa…

Q: 1. In a three-phase system, the line voltage Vca has phase angle of 0° and VeN has phase angle of…

A: per our guidelines we are supposed to answer only one question. Kindly repost other questions as a…

Q: 1. The following are the given for the circuit below: VRY = 220 cis 0°, VYB= 220 cis -120° and VBR =…

Q: The ABCD constants of a 3-phase line are: A = D = 0.98182 + j0.0012447, B = 4.035 + j 58.947 and C =…

A: Explanation: Given that, A = D = 0.98182 + j0.0012447 = 0.98182 <0.073° B = 4.035 + j 58.947 =…

Q: In three phase system, the equation for determining power dissipation in both star True/False A8 and…

A: The solution is given below

Q: 1. Find the phase currents IAC, ICB and IBA of a balanced three-phase A load to which one line…

A: As per our guidelines we are supposed to be the first question only. Kindly repost the other…

Q: vs 60 kVA at lagging PF of 0.8, while load 2 draws 26.667 ume no line resistance and Vab-440L 30°…

A: In this question given 2 loads ...We have to find out total power dream by loads , phase currents…

Q: = A three-phase source has a phase sequence of EAB - EBC - ECA and delivers the following delta load…

Q: For balanced three phase delta connected load, the phase angle difference between IR and ly is 120…

Concept explainers

Single Phase AC Circuit

Alternating Current (AC) is a type of electric power in which the electric current changes, both in magnitude and direction, at regular intervals. This AC Circuits can deliver power in either a Single Phase system or a Three Phase system.

Question

A three-phase load has a line voltage of 480V and a line current of 10A. What is the three phase apparent power of the load?

Possible answers

8.3kVA

4.8kVA

14.4kVA

9600VA

Expert Solution

This question has been solved!

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

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Analysis of Single Phase and Three Phase System

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

In a balanced system, the phasor sum of the line-to-line voltages and the phasor sum of the line-to-neutral voltages are always equal to zero. (a) False (b) True
A single-phase source is applied to a two-terminal, passive circuit with equivalent impedance Z=3.045, measured from the terminals. The source current is i(t)=22cos(t)kA. Determine the (a) instantaneous power, (b) real power, (c) reactive power delivered by the source, and (d) source power factor.
The three-phase source line-to-neutral voltages are given by Ean=100,Ebh=10+240, and Ecn=10240volts. Is the source balanced? (a) Yes (b) No
Three impedances Za= 6/20-degree Ω, Zb= 8/40-degree Ω and Zc = 10/0 degree Ω are connected wye and are supplied by 480 v balanced three phase source. The current in line b is
Apply single-phase equivalency to determine the line currents in the Y-Δ network in the figure below. The load impedances are Zab = Zbc = Zca = (25 + j5) Ω, and the transmission line impedance is ZTL = 3Ω.
Circuit theory Question 3) In the above circuit VL=161 and ZL = 30 + j36, find the "Ib" line and "IAB" phase currents.
Can you please solve the d e f parts? Three symmetrical three-phase loads are connected in parallel. Load 1 is connected in Y with an impedance of 400 + j300Ω / φ, load 2 is connected in with with an impedance of 2400 - j1800Ω / φ and load 3 is evaluated at 172.8 + j2203.2 kVA. Loads are supplied from a distribution line with an impedance of 2 + j16Ω / φ. Size of the voltage between the line and the neutral conductor at the end of the charge the line is 24√3 kV. The operating frequency is 50 Hz.(a) Calculate the line currents and the phase currents of the loads.(b) Calculate the total complex power at the receiving end of the system.(c) Calculate the total complex power at the transmitting end of the line.(d) Calculate the values of the compensation capacitors which are connected from the line to the neuron at the load end of the system so that the power factor at the load end reaches pf ≥ 0.98.(e) What if the capacitors are connected from one line to another? What would be the best…
The following three-phase circuit is symmetrical, with line voltage 220 V, 60 Hz, direct phase sequence, isolated neutral and the value of the impedances of the loads in the three phases are: Zan = 10 ohms Zbn = -10j ohm Zcn = -10j Ohm Find:a) Phase voltages on the load;b) Line and phase currents;c) The power supplied to the load. Consider the phase voltage in the reference(Va voltage angle equal to 0)
A three-phase 6OO-V circuit has two balanced loads connected in parallel, one Δ impedance 9?∠40 ° Ω and the other Y impedance 5? ∠30 ° Ω. Find the total current of the effective line and the total average power absorbed.
A balanced three-phase source with grounded neutral has line-to-line voltages of 230 volts with ab-bc-ca sequence. It supplies power to an unbalanced three-phase delta load with impedances: Zab = 80+j60; Zbc = 60-j25; Zca = 45+j60 ohms. What is the magnitude of the line current in line a in amperes?
Determine the load phase currents and phase voltages for the three-phase circuit below when the line impedance per phase is 4 + j3 Q. Express your final answers in polar form
A balanced three-phase source with grounded neutral has line-to-line voltages of 236 volts with ab-bc-ca sequence. It supplies power to an unbalanced three-phase delta load with impedances: Zab = 72 cis 69; Zbc = 90 cis -64; Zca = 53 cis 22 ohms. Determine the magnitude of the line current, Ia amperes.