Answered: A three phase star connected alternator…

A three phase star connected alternator is supplying two loads both in delta. The alternator line voltage is 512V. The impedance are 20 ohm and 25 ohm. Find the phase current for 25 ohm 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 2.5P: A 60Hz, single-phase source with V=27730 volts is applied to a circuit element. (a) Determine the...

See similar textbooks

Related questions

Q: Transform

Q: A delta connected balanced resistive load is connected across an unbalanced three- phase supply. The…

Q: A 3-phase synchronous generator has no-load line-to-line terminal voltage of 1KV. When the output…

Q: A 3-phase motor is rated at 100VA 0.9pf lag when operated with 100V 60Hz. The motor must be operated…

Q: 1. An alternator send a phase voltage of Ean = 120 /0,º Ebn= 120 /120º, Ecn=120 |-120° to a Wye…

Q: - Use phasor diagram of alternator in leading p.f. to derive the formula of E. ? Eo D IXS IRe…

A: From the figure,

Q: A star-connected load to a 440 V, three-phase supply takes a lagging power multiplier of 20 A and…

Q: An alternator with a line voltage of 2400 V supplies a delta connected load. The line current…

Q: Two single phase alternators operate in parallel

A: For KVL equations- Summation of voltage drops in a closed loop is always zero. For KCL equations-…

Q: A balanced three-phase load of 1000 kW and 0.8 p.f. lagging is supplied by Vee-connected…

Q: Two single-phase alternators are connected to a 50-Hz bus-bars having a constant voltage of 10 ∠ 0o…

A: Bus bar frequency, f = 50 Hz Bus bar voltage, V = 10 ∠0° kV Generator A induced e.m.f, EA = 13…

Q: Problem: For the cct shown find the equation of current and draw the phaser 202 diagram. 402 VR VL…

A: We need to find out current for given circuit

Q: A three phase load is connected in delta to a three phase 440 V, 50 Hz mains. An inductor of 100 mH…

A: Solution: A three phase load is connected in delta, voltage V=440 v, f=50 Hz, Inductor L= 100mH…

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicate 60 kW…

Q: A 3-phase motor is rated at 100VA 0.9pf lag when operated with 100V 60Hz. The motor must be operated…

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicates 12…

Q: Three single-phase transformers are connected into a three-phase bank. The primary is connected as a…

A: In this question we need to find a phase voltage of primary.

Q: Calculate the reactive power in a balanced three-phase circuit when voltage of the load is 480 VAC,…

A: Given, A balanced three phase circuit has, Voltage, VL = 480 V Current of the load, IL = 10 A Power…

Q: Two alternators are operating in parallel supplying a common load of 4250 kW at 0.85 power factor…

Q: What is the phase sequence of a three phase motor for which Van=220∠-100V and Vbn = 220∠140V? Select…

A: Phase sequence is the sequence on which voltages are appeared. If phase sequence is ABC then we say…

Q: For the same alternator, the ratio of rated KVA, when connected as 3-phase winding alternator to…

Q: A 3-phase motor is rated at 100VA 0.9pf lag when operated with 100V 60Hz. The motor must be operated…

Q: Two 3-phase 416ov,60 Hz alternator are operated in parallel. The total load of the system is 1050W…

Q: The primary windings of three single phase transformers are wye connected and the secondary windings…

A: Write the given values. VPPrimary=2300 VVLSeconsary=230 VILPrimary=30 A

Q: three-phase AY transformer bank shown in E TOOFYA to a balanced delta conr foll

A: Three phase transformers are used in transmission and distribution system. There are two ways to…

Q: A balanced 3-phase load of 150 kW at 1000 V, 0.866lagging power factor is supplied from 2000 V, 3-…

A: Given:3-ϕ loadP=150kWV1=1000Vpf=0.866 lagging

Q: Determine a. total impedance b.,. current Ip and c. total power drawn by the circuit

Q: The load to the three phase supply comprises three similar coils connected in Star. The line current…

A: From given kva and kw calculate phase and line voltage and KVAR. Power factor =active power/apparent…

Q: A balanced three-phase star-connected load of 150 kW takes aleading current of 100 A with a line…

A: Balance 3 phase star connected load Power P= 150KW leading current 100A Line voltage 1100V Then…

Q: A delta connected balanced resistive load is connected across an unbalanced three phase supply. The…

Q: 1. What is the phase sequence of a balanced three- phase circuit in which VAN = 7200 20° V and VCN…

Q: A three phase motor canbe regarded as Balanced "Delta" load. A three motor draws 6 KW when the…

A: Given: A three-phase motor can be regarded as a Balanced "Delta" load. A three-motor draws 6 KW…

Q: A balanced three-phasesystem with a line voltage of 200 V is supplying connected load with 1100 Watt…

Q: empting question 1 out of 12 For the same alternator, the ratio of rated KVA, when connected as…

A: Let number of turns per phase is N. For 3-phase operation: The phase spread, ψ=π3 So,…

Q: From the circuit below, determine secondary winding voltage Vsec if the primary winding voltage Vpri…

Q: In balanced star (wye) connected system, the line voltage is 0 707 times the phase voltage phasor…

A: Electrical machines can be either generator, transformer or motors. They can be either Ac machines…

Q: 5 Assume a Thévenin equivalent source composed of V, in series with Ze (a) Prove that maximum…

Q: Find The difference between the single phase and the three phase of the power per phase and the…

A: Single phase system consists of the 2 wire while the three phase system consists of 4 wires. The…

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicates 12…

Q: The kVA and kW inputs of 3-phase star connecte system are 46 and 23 respectively. The kVAR input is

Q: A 440 V, 3-phase, 3-wire system feeds two balanced wye connected loads. One load has an impedance of…

A: Given: Two balanced wye connected loadsVL=440VZ1=(15 + j5)ΩZ2=(15 + j0)Ω

Q: A naval in-board synchronous generator has anapparent power of 50 kVA and supplies a…

A: To calculate the active power and reactive power of the synchronous generators. For power factor…

Q: Two wattmeters are connected to measure power input to a three phase balanced circuit indicates 11…

Q: An alternator with a line voltage of 2400 V supplies a delta-connected load. The line current…

A: In any 3ϕ balanced load, the magnitude of impedance per phase (Z) is given by: Where, The voltage…

Q: In three phase power measurement, current coil is connected in series and potential coil is…

A: We know that Electrical power is measured with a wattmeter. A wattmeter consists of a current coil…

Q: Determine the nominal impedance per phase of a three-phase alternator, wye connected load, 12KV and…

Q: A 3-phase, 20 MVA, 10 kV alternator has internal reactance of 5% and negligi resistance. Find the…

Q: A three phase motor draws 30 kVA at 0.80 power factor lagging from a 480 V three phase generator. It…

A: In this question we need to find a capacitor bank rating use to increase the power factor from 0.8…

Q: The instantaneous voltage and current for the network in series having a voltage and current…

Question

A three phase star connected alternator is supplying two loads both in delta. The alternator line voltage is 512V. The impedance are 20 ohm and 25 ohm. Find the phase current for 25 ohm load

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 7 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Sinusoids and Phasors of Alternating Circuit

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 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 three phase star connected alternator, the phase voltage is given as: EPh=3sinwt+sin3wt+0.5sin5wt Find the phase voltage for the 60 degree phase spread.
A star-connected load to a 440 V, three-phase supply takes a lagging power multiplier of 20 A and draws 5000 watts of power from the supply. So find the impedance in phase and the power multiplier of the load.
What is the phase sequence of a three-phase alternator connected in Y for which e VAN = 7200 ∠ - 130 ° V VBN = 7200∠110 ° V? Also, find VCN?
A single phase circuit has an apparent power of 5 kVA and a reactive power of 4 kVAr. Then find (i) power factor (ii) active power (iii) resistance of the circuit when the applied voltage is 200 V.
An alternator with a line voltage of 2400 V supplies a delta connected load. The line current supplied to the load is 40 A. Assuming the load is a balanced three phase load, what is the impedance of each phase? (magnitude only
Two single-phase alternators are connected to a 50-Hz bus-bars having a constantvoltage of 10 ∠ 0o kV. Generator A has an induced e.m.f. of 13 ∠ 22.6° kV and areactance of 2 Ω; generator B has an e.m.f. of 12.5 ∠ 36.9° kV and a reactance of 3Ω. Find the current, kW and kVAR supplied by each generator.
A balanced delta load of -j60 impedance is fed by a balanced three-phase generator of negligible series impedance. The generator has an armature voltage in phase "c" of 200<30° Vrms. Indicate what is the value of the current Ibc circulating in the delta
Three single-phase transformers are connected into a three-phase bank. The primary is connected as a wye, and the secondary is connected as a delta. If 4160 V is connected to the primary, what is the phase voltage?
A balanced delta connected load of (9-j6) Ω per phase is connected to a balanced 3 phase 415V supply.Find the impedance, line current, power factor, and total volt-amperes
Design a three-phase system such that the phase current in the generator, lines and charging phase is the same. The phase voltage in the generator must be 1000 [V] with ACB sequence. The connected load must be such that the phase current in each load is 10 [A] and its power factor is 0.97 “lagging”.
A balanced star connected three phase circuit with 3+j4Ω impedance in each of the phase is connected to a 3-phase supply of 400 Vac. Find the phase voltage, phase current, active power, and power factor of the circuit.