Q4. The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 125 V. The source is connected to a balanced Y-connected load by a distribution line that has an impedance of 0.1 + j0.8N/y. The load impedance is 19.9 + j14.20/9. The phase sequence of the source is acb. Use the a-phase voltage of the source as the reference. Specify the magnitude and phase angle of the following quantities: (a) the three line currents, (b) the three line voltages at the source, (c) the three phase voltages at the load, and (d) the three line voltages at the load.

Q4. The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is 125 V. The source is connected to a balanced Y-connected load by a distribution line that has an impedance of 0.1 + j0.8N/y. The load impedance is 19.9 + j14.20/9. The phase sequence of the source is acb. Use the a-phase voltage of the source as the reference. Specify the magnitude and phase angle of the following quantities: (a) the three line currents, (b) the three line voltages at the source, (c) the three phase voltages at the load, and (d) the three line voltages at the load.

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 2.42P: A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase...

See similar textbooks

Related questions

Q: single-phase, 60-Hz source has a voltage of V = 170∠0° V (rms) and a current of I = 20∠60° A (rms).…

Q: 2) A 30- resistor, a 15-0 inductive reactance, and a 12- capacitive reactance are connected in…

A: In this question, We need to determine the current in the each Branch, total current and impedance…

Q: For the circuit in Figure: Determine I, VR, and Vc in phasor form. Calculate the total power factor,…

Q: The total power drawn by the two-impedance load in parallel is 27kW at 0.90 power factor lagging,…

Q: An impedance load consisting of 12 ohms resistance and 16 ohms inductance reactance is connected…

Q: VASSESSMENT PROBLEM Objective 5-Be able to analyze circuits with ideal transformers .15) The source…

A: Current in primary =1 I1=25kv∠01.5kΩ+j6*103=4.04∠-75.96o Secondary current is I1a where a is turns…

Q: For an ac circuit consisting of a load connected to a Thévenin circuit, is it possible for the load…

A: Yes, it is possible for the load voltage to exceed the Thevenin voltage in magnitude for an AC…

Q: Example: A balanced positive-sequence wye-connected 60 Hz three-phase source has line-to- line…

A: The solution can be achieved as follows.

Q: The total power drawn by the two-impedance load in parallel is 26kW at 0.98 power factor lagging, it…

Q: 0.2 ohm j1.6 ohm 0.8 ohm j3.4 ohm 79ohm j55 ohm a A 24020º 240Z120º 0.2 ohm j1.6 ohm 0.8 ohm j3.4…

A: Given:-

Q: If a Load absorbs 20 kVA at a leading power factor of 0.6. Then the complex power is: Select one: O…

A: A good basic question on Network and power system topic or basic electrical engineering topic.…

Q: Para el sistema de la figura: A. Encuentre la potencia promedio total, la potencia reactiva total,…

Q: factor of 0.8. Determine the load impedance if ačross a 220-V rms source. It absorbs 60 kW at a…

Q: uror Ab Hom end nas a fota Ear end, the voltage V, = 240 V and the current is 100 A at a pf of 0-8…

Q: 6. A Y-connected load with an impedance of 12 - 15 N per phase is con- nected to a balanced…

A: In this question, we need to determine the voltages , currents and powers in the load. source is…

Q: ZL impedance for maximum average power transfer in the circuit shown in Figure 2 and find the value…

Q: Given the circuit, solve for: a. Total current b. Total apparent power c. Total real power d. Total…

Q: The values of the elements for the given circuit are given below. The maximum average power that can…

A: The given circuit is shown below. We need to calculate the maximum power transferred to the load…

Q: Two impedances Z₁ and Z2 are connected in series to a voltage source with voltage Vs volts. Let V₁…

A: Please comment if you need any clarification. If you find my answer useful please put thumbs up.…

Q: An AC voltage of 230 v is applied to a circuit consisting of a resistance of 10 ohms in series with…

Q: A Δ -connected balanced 3-phase load is supplied from a 3-phase, 414V supply. The line current is…

A: I have explained in detail

Q: Each phase of a wye-connected load consists of a 50-Ω resistance in parallel with a 100-μF…

A: Given data: The frequency of operation is 60 Hz The value of resistance is: 50 Ω The value of…

Q: For the network shown in the figure below: a. Find the total impedance Zt. b. Calculate the voltage…

A: Series Connection of Impedances: When n no. of impedances is connected in series, their equivalent…

Q: Impedances Z2 and Z3 in parallel are in series with impedance Z1 across a 100 V, 50 Hz ac supply. Z1…

Q: A single phase AC chopper supplies a pure inductive load of 0.02H from 220V, 50HZ AC supply. The…

Q: Determine the impedance seen by the source Vs

Q: An impedance load consisting of 12 ohms resistance and 16 ohms inductance reactance is connected…

Q: Find the RMS line voltage VL at the source of the circuit. As shown the RMS load phase voltage is…

Q: Consider the circuit shown in Figure 3. (i) Find the total impedance ZT as seen by the voltage…

Q: Suppose that a current source with Is amperes of current is connected in parallel to a pair of…

A: This is a basic problem of circuit. The solution is given in the next step.

Q: Consider the circuit shown. Find the following: a. Total load impedance seen by the voltage source.…

A: The circuit diagram,

Q: Explain current divider rule in ac circuits with two parallel impedances Z1 and Z2. Calculate the…

Q: 4.3. Consider 3 ac loads connected across a 240V ac source where: L1 absorbs 10kW at 0.8pf laggin L2…

Q: A DC-DC Chopper Circuit with an RL Load has an output current waveform shown below with a duty cycle…

A: Given that: A current waveform is shown. Duty cycle α=50 %=0.50 R=1 ohm L=10 mH Find source…

Q: 2. A single-phase a.c. distributor AB is fed from end A and has a total impedance of (0-2 +j03) ohm.…

A: The solution can be achieved as follows.

Q: Given the circuit shown, answer the following questions I 40 80 I3 Vs = 24/60° v + V1 j6n V2+ -j4 0…

Q: Determine the value of the impedance, Z₁, that causes maximum power transfer in the circuit shown in…

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

Q4. The magnitude of the phase voltage of an ideal balanced three-phase Y-connected source is
125 V. The source is connected to a balanced Y-connected load by a distribution line that has an
impedance of 0.1 + j0.8N/y. The load impedance is 19.9 + j14.20/9. The phase sequence of
the source is acb. Use the a-phase voltage of the source as the reference. Specify the magnitude
and phase angle of the following quantities: (a) the three line currents, (b) the three line voltages
at the source, (c) the three phase voltages at the load, and (d) the three line voltages at the load.
Q5. Using the circuit and data of question 4
(a) Calculate the average power per phase delivered to the Y-connected load
(b) Calculate the total average power delivered to the load.
(c) Calculate the total average power lost in the line.
(d) Calculate the total average power lost in the generator.
(e) Calculate the total number of magnetizing vars absorbed by the load.
(f) Calculate the total complex power delivered by the source.

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

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 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

A balanced -connected impedance load with (12+j9) per phase is supplied by a balanced three-phase 60-Hz,208-V source, (a) Calculate the line current, the total real and reactive power absorbed by the load, the load power factor, and the apparent load power, (b) Sketch a phasor diagram showing the line currents, the line-to-line source voltages, and the -load currents. Use Vab as the reference.
Example: A balanced positive-sequence wye-connected 60 Hz three-phase source has line-to- line voltages of V,=1000 V. This source is connected to a balanced wye-connected load. Each phase of the load consists of a 0.2 H inductance in series with a 100 0 resistance. Find the line-to-neutral voltages, the line currents, the power, and the reactive power delivered to the load. Assume that the phase of Van is zero.
Two impedances Z₁ and Z2 are connected in series to a voltage source with voltage Vs volts. Let V₁ be the voltage across Z₁ and V₂ be the voltage across Z2. Then, the total voltage Vs is divided between V₁ and V2 in proportion to impedance values Z₁ and Z2. O a. True O b. False
For the network shown in the figure below: a. Find the total impedance Zt. b. Calculate the voltage V2 and the current IL . c. Find the power factor of the network and indicate whether it is leading or lagging. *
Clear and correct or dislike
Power factor correction is a method to do which of the following.
Part d,e,f
Please help with the solution.
The circuit shows an unbalanced electrical installation powered by a positive sequence symmetrical three-phase network of 380 V compound voltage. The loads are single phase. Load 1 absorbs an active power of 950 W with f.d.p. 0.5 inductive. Load 2 absorbs an active power of 1,140 W with f.d.p. Unit. Load 3 absorbs from the network an active power of 760 W with f.d.p. 0.5 capacitive. Taking the network voltage URN as the phase reference, calculate: a) complex expressions of the line currents IR. Is. and IT
The circuit shows an unbalanced electrical installation powered by a positive sequence symmetrical three- phase network of 380 V compound voltage. The loads are single phase. Load 1 absorbs an active power of 950 W with f.d.p. 0.5 inductive. Load 2 absorbs an active power of 1,140 W with f.d.p. Unit. Load 3 absorbs from the network an active power of 760 W with f.d.p. 0.5 capacitive. Taking the network voltage URN as the phase reference, calculate: a) complex expressions of the line currents IR. Is. and IT RO- SO TO IR Is IT U₁-380 V CARGA 1 P₁ =950 W cos p1=0,5 ind. CARGA 2 P₂=1.140 W cos p₂=1 CARGA 3 P3=760 W cos p3=0,5 cap.
Three Impedances each of (9 - j18)N are connected in mesh across a three-phase 415V ac supply. Determine the phase current, line current, active power, reactive power drawn from supply. Also draw the Phasor diagram for the mesh connection and marks the Line current ,phase current line voltage and phase angle between phase current and pahse voltage. phase current (Ip) Line current real power reactive power
For the system in the figure: Find the total average power, total reactive power, total apparent power, and total power factor. Find the current Is (in phasor form). If the loads can be modeled as a resistance in series with a reactive element (capacitor or inductor), find the impedance of each load. Confirm the result of part B using the input voltage and the result of part C. ..