Answered: If the copper loss in the stator is 1.4…

If the copper loss in the stator is 1.4 kilowatts, the loss in the core is 1.6 kilowatts, and the mechanical losses are 1 kilowatt, calculate the efficiency of the motor

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

See similar textbooks

Related questions

Q: Question 4 In an AC generator, the wire loops are called through magnetic and , they are connected…

A: Steam turbines, gas turbines, and combustion engines serve as the AC generator's input sources for…

Q: 1. 500 VA -120/240 -120/240-60HZ 1) Turns ratio (n) 2) Isec 37 I pr.

A: The apparent power, The voltage ratio, 120/240 VThe frequency,

Q: A = 0.01 m² 0 = 4 x 10wb Steel core |= 2.2 A 40 turns

Q: The diagrams show three generators. Which are alternating current Generators? coil rotation soft…

A: In a DC machine, the permanent magnet is used to generate the magnetic flux and a conductor is…

Q: 2:27 aug E PORELISSADY A student constructed the simple DC motor using insulated wire, a battery and…

A: Given data: Simple DC motor component, Insulated wire A battery A small strong disc magnet Safety…

Q: 248. A D.C. Generator has 6 poles, a brush shift of 6° actual means a brush shift of (a) 6°…

A: Given- A DC generator has, Total number of poles, P = 6 A brush shift of 6°actual, Mechanical…

Q: Which statement is most correct about the main generators in most large body aircraft? Choose all…

A: The generators are used on aircraft to provide electrical supply for various loads such as…

Q: Fore the d.c series motor loaded by d.c. generator, when the load resistance increases then the…

A: Ans Decrease

Q: An alternator has 6 poles and runs at 1,000 rpm (a) what is its generated frequency? (b) What must…

A: (a) The speed of the alternator is given by the expression as shown below: Ns=120fP Plugging the…

Q: A non-liner load is connected to a 220 V, 50 Hz power supply. Determine the harmonic order of the…

A: When the supply voltage is balanced then it does not contain harmonics. when a linear load is…

Q: How to calculate to continues power of 500KVA generator at 60hz, 440v, pf

A: In this question we will find continuous power...

Q: Calculate the emf when a coil of 50 turns is subjected to a magnetic flux rate of 0.4 Tesla/sec. O…

A: Given a coil having, Number of turns, N = 50 turns Magnetic flux rate, dϕdt=0.4 Teslasec

Q: 4 If the supply frequency of a certain electro-magnetic structure is doubled while the applied…

Q: In DC generator, the field flux can be decreased by

A: In the DC shunt generator, Field flux can be control, describe the method?

Q: Calculate the resistance of the field coil. Show your calculations results table incase…

A: The given table is as shown below, We need to determine the resistance of the field coil.

Q: A 4-pole induction motor and a 6-pole induction motor are connected in cumulative cascade. The…

A: We have been given two motors that are connected in cumulative cascade. one motor is 4 pole…

Q: when a generator is being driven at 1200rpm, the generated emf is 230V. What is the generated emf if…

A: Given, Speed of the generator (N) = 1200rpm Generated emf (E1) = 230V Let the initial field flux be…

Q: Voltage (Voltage) Regulator Alternators without Excitation Machine (Constant Voltage Generators)…

A: Voltage Regulators: A voltage regulator is an electrical or electronic device that can hold…

Q: 19. What are the ms and peak currents for a 60 W bulb? (The ms voltage is the usual 120 V.) A. 0.71…

Q: When will the VAR - hour meter disc rotate in one direction for a lagging current and in the…

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

Q: Q/Fore the d.c series motor loaded by d.c. generator, when the load resistance is high then the…

A: For the DC series motor loaded by DC generator, when the load resistance is high then the speed of…

Q: At what rate the flux must be varied to measure 12 V across the terminal of 300 turns coil?

Q: Wit öf the follOwing Vith a D.C. generator wnich of the TOllOwing ? efficiency is preferred None of…

A: Regulation is defined as the drop in voltage from no load to full load voltage. Voltage regulation…

Q: direct current generator operates on the basis of Lenz’s law Ohm’s law Faraday’s law of…

A: A dc current generator works as fallows: Whenever a conductor placed in fluctuating magnetic field…

Q: 2. In a certain magnetic field the cross- sectional area is 0.5 m² and the flux is 1, 500 Wb. What…

A: Given, In a certain magnetic field, The cross sectional area, A=0.5 m2 Flux, ϕ=1500 μWb

Q: If the flux of the DC motor is decreases then the Flux decreases O Supply voltgae increases O Line…

A: Last option is correct. The explanation is provided below.

Q: In the figure shown, the voltage and current waveforms of a motor are plotted. What is the phase…

A: Given, The time period of waveform T=0.025 sec The time shift between voltage and current waveform…

Q: An alternator has 6 poles. At what speed must it be driven to develop 120 cycles? Group of answer…

A: In this question we will find speed of given machine.....

Q: In an alternator, the r field flux is producec O Rotor, Rotor O Rotor, Stator O Stator, Rotor O…

A: In an alternator, the main field is produced by the rotor which is rotating and the armature…

Q: In case of dc motor, maximum mechanical power is developed when back emf equals (a) the applied…

A: In DC motor, Power developed P=EbIa where, Eb is back emf and Ia is armature current and for DC…

Q: Determine the Total electrical and mechanical degree for an Alternator

Q: Quiz: Separately excited dc generator A separately excited de generator is rated at 172 kW, 430 V,…

A: “Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

Question

100%

If the copper loss in the
stator is 1.4 kilowatts,
the loss in the core is
1.6 kilowatts, and the
mechanical losses are
1 kilowatt, calculate the
efficiency of the motor

A three-phase induction
motor with 6 poles draws a
power of 48 kilowatts when
it rotates at a speed of 1140
rpm.

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 by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

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 voltage induced in a generator is 110 V when the armature rotates at 1100 r/min. What will the voltage be if the speed is increased to 1200 r/min? A generator operating at 1850 r/min develops a voltage of 130 V. What must be the speed of the generator for a voltage of 120 V?
urgent please fast 15 min u have
High voltage high torque d-c motor oW voltago lo w toraue noto
A 4 pole synchronous motor rotates at 3000 RPM. The torque on the motor is 20Nm and the efficiency is 90%. What is the frequency of the electrical supply? (Hz)
أنت الآن Leakage reactance of the machine is included in the armature reaction reactance in Magneto Motive Force method of determining voltage regulation of Alternator Select one: O True O False O O D
If the slip of a 2 pole motor is 0.08 the rotor speed is: Answer to the nearest whole number
9. Calculate the flux in a magnetic circuit that has a reluctance of 0.06, if the 2,500 turn exciting winding carries 2.5 amp.
How many turns are on a coil if a current of 3.8A produces a magnetic flux of 2.7mWb in a magnetic circuit having a reluctance of 1.4 MA-turns/Wb
A single phase AC motor draws 4.5 A from 220 V electricity. Three various power of the motor from the mains is 720 W. a) Calculation of the power factor of the engine. b) Calculating the Capacitance (C) and Power of the capacitor required to make the power coefficient of the motor 0,95
Frictional loss is under what losses : A) None of these B) mechanical losses C) Copper Losses D) Stray power losses
A cross sectional area of a magnet 4 X 10-4 has a strength of 0.5 milli Weber. calculate the magnetic flux density. O 12.5 Wb/m2 O 125.5 Wb/m2 O 34.5 Wb/m2 O 1.25Wb/m2
To generate electricity with 50HZ generator should run at 350 rpm ? True or flase