Answered: In a balanced three-phase load, each…

In a balanced three-phase load, each phase has A power consumption equal to (√3VL) IL One-third of total power Two-thirds of total power An equal amount of

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter28: Three-phase Transformers

Section: Chapter Questions

Problem 2RQ: Two transformers rated at 100 kVA each are connected in an open-delta connection. What is the total...

See similar textbooks

Related questions

Q: of the load consistof 6+1852/4 the agnitud of the Linecurent F toad the Phase curreat in each aW the…

A: In this question , a balanced delta connected load is given...We have to find line current , phase…

Q: impedance of (10 + j15) ohms is connected in parallel with an impedance of (6 – j8) ohms. The total…

A: We need to find out total power for given impedance and current .

Q: In 3-phase system, a delta connected load draws 3 times greater current than the star connected…

A: the three-phase connection load can exist in two main configurations, Star connection Delta…

Q: a) List the four short-circuit faults in three-phase power systems in order of frequency of…

A: Part (a): The list of the short-circuit fault in a three-phase power system in order of frequency of…

Q: Problem 3 A three-phase short-circuit occurs at F in the system reactances are all in percent.…

A: In this question, find the short circuit MVA rating if fault occured at the point F. Short circuit…

Q: "In a R-L series circuit, applied voltage is in phase with the total current." True False "In…

A: 1. impedance of RL circuit is R+jXL So, impedance angle ∅ = tan-1WLR So, current in Rl circuit…

Q: In 3-phase system, the power consumed by delta connected load is star connected load. O 3 times…

Q: three wattmeters

A: Wattmeter- Measuring device used to measure power of the selected load. It consists of two majorly…

Q: Discuss the impact on the total power drawn by the load if the delta connected load is reconfigured…

A: This is a simple problem on star and delta load system from power system subject. In Star connection…

Q: what is the value of line current in a balanced star connected system O a. is not equal to zero O b.…

A: In star connection starting ends of three windings are connected to common terminals.

Q: Match the load to the line using a shunt stub: a) Short-circuited b) Open-circuited ZL= 2000 ohms…

A: We need to match the load to the line using a shunt stub: a) Short-circuited. b) Open-circuited.…

Q: a) in star and (b) in delta to a 415 volts, 50Hz, 3-phase supply. Determine (a) Phase voltage (b)…

Q: Three impedances (4-j6) ohm, (6+j8) ohm, and (5-j3) ohms are connected in parallel. Calculate the…

Q: Q.1 A single phase load of 100kv is connected across lines b and c of a 3-phase supply of 3.3kv.

Q: single phase circuit has an apparent power of 5 kVA and a reactive power of 4 kVAr. Then find (i)…

A: We need to find out power factor and active power and resistor for given apparent power

Q: Compared to three-phase systems, single phase systems have O Bigger size Lighter weight O Higher…

A: The benefits of choosing a 1 phase supply are because of the following reasons- The design is less…

Q: Three equal impedances of 5∠ - 30 ° Ω are connected in star to an ACB system three-phase,…

A: In a three phase system there are two ways to connect a three phase load. Star/Wye Connection Delta…

Q: In two-wattmeter method, the readings of the wattmeter will be identica load in one of the two…

A: Option - b ( Answer )

Q: The voltage between two phases in a balanced three phase-system (4 conductors) is U = 660V. The…

Q: In 3-phase system, the power consumed by star connected load is times less than delta connected…

A: We will try to find out the power consumed by both the star and delta connected loads to draw a…

Q: In a three-phase circuit with symmetrical load conditions, each phase has Select one: O a. One…

A: Correct option is C As we all know in a three phase symmetrical load each phase has an equal amount…

Q: A three-phase delta-connected load draws 500A at 0.8 p.f. lagging from a Δ-connected voltage source.…

A: GivenLine current IL=500 APower factor cosϕ=0.8Line to line voltage VLL=phase voltage Vp=2400∠90° v

Q: 5.35 In two-wattmeter method of measuring power in a balanced 3-phase circuit, the readings of the…

Q: Suppose that (A) Gnnected balanced load with lo A line Current throngh each phase, if the Circuit…

A: Steps: Since the current in phase c is zero so current in a and b is equal and opposite If the…

Q: If the supply voltages to a 3-phase, 4-wice system are balanced The three phase load currents must…

A: Considering 3 phase 4 wire system case (a) 3 phase balanced load for balance load.IA, IB, IC load…

Q: 72. In 132 kV system, the phase to ground ca- pacitance is 0.01 µF and inductance is 6H. The voltage…

Q: 25/. A three phase loads each resistance of 100 Ω and capacitance of 10 µF are given, with 415 V, 50…

Q: The following figure shows a pass with two input lines and three output lines and current…

A: REF protection : Restricted Earth Fault (REF) relay is activated when there is a fault in between…

Q: In a R-C parallel circuit, total current is out of phase with the applied voltage." True False…

A: Question 1 & question 2 both are same

Q: A delta connected balanced load across a 400 V 3-phase supply Consist of three identical impedances,…

A: Line current-In a three-phase AC circuit the line current is the ratio of voltage to…

Q: What are the phase current and phase voltage in a star connected load when this load connected to a…

A: The solution can be achieved as follows.

Q: the sequence currents of phase a current are as folle Zero sequence current = 14.13 17.34 positive…

A: In this question we have given symmetric components of phase a current . We have to find phase a…

Q: Each phase of delta connected load comprises a resistor of 50 ohm and a series capacitor of 50 µF.…

A: Given 3 phase delta connected load comprises a resistor of 50 ohm and a series capacitor of 50 µF…

Q: Three loads, each of resistance of 22 22 and reactance of 44.92 are connected in delta with a…

Q: At what p.f will one of the wattmeter reading be zero in a three-phase system. Please answer this in…

A: In the Two wattmeter method of measuring power in a balanced three-phase circuit,…

Q: Three unequal single phase loads so connected across the lines of a blanced 3 phase, 230 volts…

A: The phase voltage is equal to line voltage in a delta connection. The detailed solution is provided…

Q: Match the following Junction Point where one end of all three phase loads joined together Choose...…

A: In this question , we will match given statements..

Q: The phase C voltage and the phase A line current of a balanced 3 phase mesh - connecte system are v…

A: In this question, Phase voltage in C is given and phase current in the A is given. Find the total…

Q: An ammeter is used to measure power in a three-phase load. True False

A: Given An Ammeter is used to measure powerin a three phase load To state above statement is true or…

Q: 7 What is the value of line current in three phase delta connected system, when the phase current is…

A: In a three phase system there are two ways to connect a three phase load. Star/Wye Connection Delta…

Q: In a two-wattmeter method of measuring power in a balanced 3 phase circuit the ratio of the Watt…

A: Given, For two wattmeter method the wattmeter reading is 1:2 W1=W.W2=2W.

Q: 72. In 132 kV system, the phase to ground ca- pacitance is 0.01 µF and inductance is 6H. The voltage…

A: Given a 132 kV system having, The phase to ground capacitance, C=0.01 μF Inductance, L=6 H…

Q: Hello I need a full explanation about the power of y and delta connection what Is the advantages and…

A: POWER OF Y CONNECTION AND DELTA CONNECTION; The one on the left takes a better primary voltage and…

Q: Match the following Each load will be connected between two phase wires Choose... Power measured by…

A: Given, Match the following Each load will be connected between two phase wires Power measured by…

Q: CALCULATE THE LINE CURRENTS, PHASE CURRENTS AND THE TOTAL COMPLEX POWER ABSORBS BY THE LOADS. 5Ω Μ…

A: Given circuit is shown below. Covert delta to star connection

Q: 10. In a R-L series circuit, total current lags behind the applied voltage. True False 11. In…

Q: A three-phase delta-connected load draws 500A at 0.8 p.f. lagging from a Δ-connected voltage source.…

Q: A three-phase delta-connected load draws 500A at 0.8 p.f. lagging from a delta-connected voltage…

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

In a balanced three-phase load, each phase has

A power consumption equal to (√3VL) IL
One-third of total power
Two-thirds of total power
An equal amount of power

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

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 60Hz, single-phase source with V=27730 volts is applied to a circuit element. (a) Determine the instantaneous source voltage. Also determine the phasor and instantaneous currents entering the positive terminal if the circuit element is (b) a 20 resistor. (C) a 10mH inductor, and (d) a capacitor with 25 reactance.
For the single-phase circuit shown in Figure 122,I=100A. (a) Compute the phasors I1,I2, (b) Draw a phasor diagram showing I,I1,I2, and V
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.
Two transformers rated at 100 kVA each are connected in an open-delta connection. What is the total output power that can be supplied by this bank?
For the system shown in Figure 3.34. draw an impedance diagram in per unit by choosing 100 kVA to be the base kVA and 2400 V as the base voltage for the generators.
A delta connected three phase load is connected to a 560 V line. The loads have an impendance of 14 ohms per phase. What is the apparent power of this connection.
11. Three loads, each of resistance of 10 Ω and inductance of 100mH is connected in a star with a 3-phase supply. The frequency is 50 Hz. Line current is 5 A. Determine phase voltage, line voltage, and phase current
Three inductive loads each of resistance 54 Ω and inductance of 352 mH are connected (a) in star and (b) in delta to a 415 volts, 50Hz, 3-phase supply. Determine (a) Phase voltage (b) Line current and (c) Phase current
Three Equal Impedances, each consisting of R and C in series are connected in star and are supplied from 400V, 50Hz, supply system. The power input to the load is measured by two wattmeter method. And the two wattmeters read 3kW and 1kW. Determine the values of R and C connected in each phase. Resistance and Capacitance. Dont post previous answers
Topic: "Measurement of Power in a 3 Phase Circuit"—Two Wattmeter
Please answer quickly "In a R-L series circuit, applied voltage is in phase with the total current." True False "In series-connected ac circuit, the total voltage across the circuit and the voltage across each elements are the same." True False "In parallel-connected ac circuit, the total voltage across the circuit is always equal to the phasor sum of the individual voltage across each element." True False
Referring to the circuit shown below, determine the following:(a) The voltage between points e and d(b) Power factor of the load 8.66 - j5 Ω