A 120V (rms), 60Hz three-phase system is supplying power to the following two loads: Load # 1: A balanced load connected in wye with 100ohm resistance and 0.1H inductor connected in series. Load # 2: A balanced load connected in delta with 100ohm resistance and 10uF capacitor connected in series. Draw a circuit diagram and Determine: (i) Total active and reactive power supplied to load # 1 by the system (ii) Total active and reactive power supplied to load # 2 by the system (iii) Magnitude of the total current supplied by the source (iv) Source power factor

A 120V (rms), 60Hz three-phase system is supplying power to the following two loads: Load # 1: A balanced load connected in wye with 100ohm resistance and 0.1H inductor connected in series. Load # 2: A balanced load connected in delta with 100ohm resistance and 10uF capacitor connected in series. Draw a circuit diagram and Determine: (i) Total active and reactive power supplied to load # 1 by the system (ii) Total active and reactive power supplied to load # 2 by the system (iii) Magnitude of the total current supplied by the source (iv) Source power factor

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 2.7P: Let a 100V sinusoidal source be connected to a series combination of a 3 resistor, an 8 inductor,...

See similar textbooks

Related questions

Q: The rms value of a three-phase balanced ac voltage source is 173V. Such voltage source is used to…

A: Given RMS value of three phase balanced ac voltage =173V Assuming line to line voltage⇒…

Q: Two generators are supplying a load. Both the generators have a no-load frequency of 61.5 Hz and the…

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

Q: The following conditions apply to the circuit in the figure. Find the complex power delivered to the…

Q: a. Find the total impedance Z, in polar form b. Draw the impedance diagram c. Find the current I and…

A: As per guidelines we are supposed to solve only first 3 subparts but here I solved 4 subparts. Now I…

Q: If a A-connected load has a balanced impedance ZA 94 -17° 2 and a voltage = Z VBC = 265 / 82° V rms,…

A: The 3-phase system,The impedence,The voltage,

Q: Please show you detailed solution Number 10 A voltage of 250 volts at 50 Hz is impressed on a…

A: In this question, We need to choose the correct options What is power factor of the circuit. We…

Q: What are the RMS line current at load 1 and 2 respectively?

Q: A load has a leading power factor. a) Is it a capacitive or inductive load? b) Is the reactive power…

Q: Two circuits connected in parallel take alternating currents which can be expressed…

A: In this question, We need to determine the rms value and resultant rms value and phasor value. We…

Q: 2. A certain load comprises of 12 -j8 ohms in parallel with j 4 ohms. Determine the overall power…

A: All u need to know Is complex numbers Impedance in parallel Power factor formula

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 120V (rms), 60Hz three-phase system is supplying power to the following two loads:

Load # 1: A balanced load connected in wye with 100ohm resistance and 0.1H inductor connected in series.

Load # 2: A balanced load connected in delta with 100ohm resistance and 10uF capacitor connected in series.

Draw a circuit diagram and Determine:

(i) Total active and reactive power supplied to load # 1 by the system

(ii) Total active and reactive power supplied to load # 2 by the system

(iii) Magnitude of the total current supplied by the source

(iv) Source power factor

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 1 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

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
A load has a leading power factor. a) Is it a capacitive or inductive load? b) Is the reactive power positive or negative? c) Repeat for a load with lagging power factor
2.5. Two loads connected in parallel are supplied from a single-phase 240-V rms source. The two loads draw a total real power of 400 kW at a power factor of 0.8 lagging. One of the loads draws 120 kW at a power factor of 0.96 leading. Find the complex power of the other load.
Three-phase supply from utility The diagram shown in figure has two three- phase loads that form part of a manufacturing plant. They are connected in parallel and require 4.16 kV rms. Load 1 is 1.5 MVA, 0.75 lag pf A connected. Load 2 is 2 MW, 0.8 lagging pf, Y connected. The feeder from the power utility's substation transformer has an impedance of 0.4+j0.8 2/phase. Deter- mine the following: (a) The required magnitude of the line voltage at the supply. (b) The real power drawn from the supply. (c) The percentage of the real power drawn from the supply that is consumed by the loads. 0.4 Ω j 0.8 Ω 0.4 Ω j 0.8 Ω 0.4 Ω j 0.8 Ω m Load 1 am Load 2
An 11 KV generating station has four identical 3-phase alternators A,B,C and D and each of 10 MVA and 12% reactance. There are two sections of bus-bar, P and O linked by a reactor rated at connected to bus-bar section MVA with 24% reactance. Alternators A and B are and alternators C and D to bus-bar section Q. From each section, load is taken through a number of 6 MVA, 11/66KV step-up transformers, each having a reactance of 3%. Calculate the current fed into a fault if a short-circuit occurs on all phases near the high-voltage terminals of one of the transformers at the bus-bar section Q. 10 MVA 10 MVA 12% 11 11 KV 10 MVA 24% -000000 10 MVA 12% o Q 10 MVA 12% 0 11 KV 6 MVA WWW 3% /www
can you doing this with detail explaination..thank you!
A three phase load is connected in delta to a three phase 440 V, 50 Hz mains. An inductor of 100 mH is connected in series with a resistance of 30 ohm in each phase of the load. Then find (a) phase voltage (b) phase current (c) line current (d) power factor.
A single-phase, 120V(rms),60Hz source supplies power to a series R-L circuit consisting of R=10 and L=40mH. (a) Determine the power factor of the circuit and state whether it is lagging or leading. (b) Determine the real and reactive power absorbed by the load. (c) Calculate the peak magnetic energy Wint stored in the inductor by using the expression Wint=L(Irms)2 and check whether the reactive power Q=Wint is satisfied. (Note: The instantaneous magnetic energy storage fluctuates between zero and the peak energy. This energy must be sent twice each cycle to the load from the source by means of reactive power flows.)
The instantaneous power absorbed by the load in a single-phase ac circuit, for a general R LC load under sinusoidal-steady-state excitation. is (a) Nonzero constant (b) Zero (c) Containing double-frequency components
A single-phase source has a terminal voltage V=1200volts and a currentI=1530, which leaves the positive terminal of the source. Determine the real and reactive power and state whether the source is delivering or absorbing each.
In the 3-phase circuit in the figure, f = 2000 Hz. Find line and phase voltages and currents for the load.(in amplitude and phase).
No Handwriten please