A three-phase, 460 V, 98hp 1,60 Hz, four-pole induction machine delivers rated output power at a slip of 0.05. Determine: (i) The synchonous speed. (V) speed at half Load (ii) The motor speed. (iii) The rotor frequency. (iv) The slip speed.

A three-phase, 460 V, 98hp 1,60 Hz, four-pole induction machine delivers rated output power at a slip of 0.05. Determine: (i) The synchonous speed. (V) speed at half Load (ii) The motor speed. (iii) The rotor frequency. (iv) The slip speed.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter32: Three-phase Motors

Section: Chapter Questions

Problem 6RQ: Name three factors that determine the torque produced by an induction motor.

See similar textbooks

Related questions

Q: According to Carson's rule, Bandwidth B and modulating frequency fm are related a. B = 2(Af + fm) Hz…

A: The correct option along with the explanation has been provided in the following section.

Q: The voltage across 20 Resistor where v= 10volts is 20 W O a. 4V O b. 10V О с. 3V O d. 2V in W m 20 V

Q: The thermistor is a commonly used device in many commercial, consumer, and industrial products. A…

Q: In an L-R-C series circuit the phase angle is 53.0° and the sourcevoltage lags the current. The…

A: Given: Phase angle, ϕ=53° Resistor, R=300Ω Reactance of capacitor, Xc=500Ω Power, P=80W

Q: For Z₁ = 1 KQ, Z₂ = 0.1 µF, Z3 = 500 №2, Z4 = 1 ko, derive an expression for the transfer function…

Q: the attached

A: Given: a) Write down the equation of 1st order Transfer Function in standerd form and the unit step…

Q: 2.a. Find the total resistance between 'a' and 'b' for the circuit given below. 20 2 ww 50 162 ww 20…

A: It is given that:

Q: (c) The rotor speed of a six-pole 50-cycle inductio motor is 960 rpm. Calculate the percent slip.

A: Given: In an induction motor, P=6f=50 HzNr=960 rpm

Q: 120 v Find: 24 = 20-2 R₁ =10_22 · R3 =15_12 {R₂=15_12² 11, 12, 13, 14, 15, 16, 17 and TOTAL POWER…

Q: Q5 T(s) = 62.5(x + 2.5) (s² +65 +25)(s+ 6.25) a) What are poles and zeros of the transfer function…

A: For the given transfer function answer the following Questions : Ts=62.5s+2.5s2+6s+25s+6.25 or we…

Q: Find the boolean expression for the logic circuit shown below.

Q: A lossless TL with characteristic impedance of to is terminated in Zv=3Z0. use crank diagram to…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: To achieve 75 percent modulation of a carrier of V, 190 V, what amplitude of the modulating signal V…

A: Modulation index is given, m=75 %=0.75 Amplitude of carrier signal Vc=190 V

Q: The period of the voltage 2 cos 4500πt + 7 sin 7500πt is

Q: There is no figure with this question. The net charge passing through a circuit element is given by…

A: Given the net charge passing through a circuit element, qt=4t3+3t With the time t in second.

Q: For the capacitive network shown below, calculate 7μF 103 3μF 6μF 4μ1F tilla a. Total Capacitance of…

A: Given data, Circuit diagram is given as,

Q: Calculate the dissipation in power across 200 resistor for the FM signal v(t)= 20 cos(6600t+…

A: The expression of the frequency modulated signal is given as vt=20cos6600t+10sin2100t The power…

Q: Express the Boolean function F = C + A’B as a sum of minterms. The function has three variables: A,…

A: Given: F=C+A'B

Q: Find the y parameters for the circuit shown in (Figure 1). Take R₁ =20, R₂ =70, R = 12 , and R₂ =…

Q: 6. For the follow logic circuit system, the output f is: [ (A) ab. (B) a + b. (C) a'+b'. (D) a'b' a…

A: Given, The logic circuit is,

Q: For a Buck converter you need to calculate what range of duty cycles a controller needs to meet the…

A: Given buck converter, Input voltage = VDC = 80 v to 120 v. Output voltage = V0 = 100 v. Output…

Q: The current through the load is 50 V ( 1:5 00000 1 ΚΩ

A: Given: Transformer circuit

Q: When giving presentations, many people use a laser pointer to direct the attention of the audience…

A: Given,Power= 3 mWSpot diameter= 2mmFrom this,Spot area will be πd22A=π×222 =π mm2For a perfectly…

Q: Explain construction and working of Linear Variable Transformer

A: Displacement is a vector quantity representing a change in position of a body point with respect to…

Q: Show Work Please (Q8)

A: Given that: An infinite long wire carrying a uniform current I. Prove that: B→=μoI2πrθ∧

Q: A three-phase, 460 V, 98hp 1,60 Hz, four-pole induction machine delivers rated output power at a…

Q: For the given circuit below calculate i) the total capacitance of circuit ii) the total charge in…

A: The given circuit is,

Q: 2-2m. If Vs = 100 volts, find: (use crack diagram) A lossless transmission line having Z-5002,…

A: Given: Z0=50 ΩVS=100 VKr=0.4<45λ=2 Find: 1. Standing wave ratio 2.Voltage standing pattern

Q: Calculate the average power supplied by the source as shown below. * find the averaged power…

A: Given parameters: The series-parallel circuit consisting of R, L, and C components s shown below,…

Q: The performance of a communication system can be affected by noise from both internal and external…

Q: where 19².16² + Q1: The classical Hamiltonian of the LC- circuit is H=Hc +H₁ == 2 C 2 L capacitor…

A: Given that, Hamiltonian (H)=12q2c+12ϕ2L

Q: Explain Hall effect transducer also state Different values of hall coefficient with different…

A: The Hall effect transducers are based on Hall effect which was discovered in 1879. The Hall effect…

Q: Activity 4: Let the start date of the project shown in Activity 3 be January 1, 2020. Determine…

A: First lets prepare a project network diagram as shown below

Q: Calculate the radiation resistance of current element whose overall length is λ/50.

A: The overall length of a current element is given as le=λ50. The radiation resistance of the current…

Q: explain project scope management process completely and their techniques.

A: Find the answer below. The complete amount of work required to achieve a good, service, or outcome…

Q: 6) Carson's rule is used to calculate a. Bandwidth of FM signal b. Signal to noise ratio c.…

A: The correct option along with the explanation has been provided in the following section.

Q: Den Ston FIGURE 2 X C. For the logic network shown in FIGURE Q2(c): BIED B CD BIOZ NVD i. POZNAT NV…

Q: In a 4-pole wave connected d.c. motor has 752 armature conductors. If armature current is 38.2 Amp.…

A: We have been asked to find torque developed in d.c. motor having following data, Pole of motor (P) =…

Q: Find the Fourier transform of this function f(t) = arctan(t + 1) − arctan(t − 1).

Q: What is the change in the bandwidth of the signal in FM when the modulating frequency increases from…

A: Given information: The modulating frequency corresponding to an FM signal changes from 12 kHz to 24…

Q: Question 1 Quuo Determine the amount of current (mA) flowing in the circuit if the charge seen at…

A: Given: Charge seen at cross sectional area, Q=0.0052C Time, t=30ms

Q: Use superposition theorem to find current in 100 resistor in the figure below. 10/0°V 10 (2 ww E₁ j…

Q: What is the required bandwidth according to the Carson's rule, when a 100 MHz carrier is modulated…

A: Given information: The carrier frequency is fc=100 MHz The modulating frequency is fm=1 kHz The…

Q: (b) The two n-MOSFET's have VT=+1 V, μCox = 20 μA/V2, L= W = 5 μm, while VDD = +5 V and VGG = +4 V.…

A: Given: VT=+1 VμCOX=20 μA/V2L=W= 5μmVDD=5 VVGG=4 VVIN=0 V Find: Operating region of the MOSFET, when…

Q: Find the damping ratio and natural frequency of the closed-loop transfer function. 100 T(s)= (s-10)²…

A: Given the closed loop transfer function, Ts=100s-102

Q: The plots in Figure B1a, below, show a carrier signal modulated by a binary data sequence. Identify…

A: Given question is under digital communications techniques For binary amplitude shift keying…

Q: An (open) electric circuit consists of an inductor, a resistor, and a capacitor. There is an initial…

A: Given that: Initial charge q(0)=2 C I=3 A E(t)=20 cos(t) The voltage drop across the resistor is 4…

Q: A current of 3.4 A passes a 70 mH inductor. How much energy is stored in the inductor in W? Answer:

A: Given data, Current through inductor, I=3.4 A Inductance, L=70 mH

Q: Rotor resistance of a three-phase induction motor is 0.080 per phase. Maximum torque is available at…

A: We have an equivalent circuit of induction motor with, Maximum torque occurs at 12% slip = 0.12 Slip…

Q: 8 < Notes What is the mass of an assembly of 1000 protons? Done

A: In this case, the total mass of an assembly of 1000 protons need to be determined.

Concept explainers

Three Phase Induction Motor

The induction motor is an electric motor that runs on AC (alternating current) and it is of two type single phase motor that work on single-phase power supply and three-phase motor that work on three-phase power supply.

Question

A three-phase, 460 V, 98hp 1,60 Hz, four-pole induction machine delivers
rated output power at a slip of 0.05. Determine:
(i) The synchonous speed.
(V) speed at half Load
(ii) The motor speed.
(iii) The rotor frequency.
(iv) The slip speed.
...A...
-

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

Step 2

Step 3

Step 4

Step 5

Step 6

Step by step

Solved in 6 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

A three-phase induction motor, at rated voltageand frequency, has a starting torque of 140 percentand a maximum torque of 210 percent of full-loadtorque. Neglect stator resistance and rotational lossesand assume constant rotor resistance. Determinea. The slip at full load.b. The slip at maximum torque.c. The rotor current at starting as a percentage offull-load rotor current.
4: Explain the Speed Torque Characteristics of Three phase induction motor. Additionally, present a variable frequency drive and explain what are its main advantages?
A 6-pole, 50 Hz, 3-phase induction motor runs at 960 rpm while delivering a shaft torque of 120 N-m. If friction and windage loss amount to 180 W., determine the rotor copper loss.
a. A three-phase, 220-V, 60-Hz induction motor runsat 1,140 r/min. Determine the number of poles (forminimum slip), the slip, and the frequency of therotor currents.b. To reduce the starting current, a three-phasesquirrel cage induction motor is started byreducing the line voltage to Vs/2. By what factorare the starting torque and the starting currentreduced?
A three-phase induction motor, operating at rated voltage and frequency, has a startingtorque of 1.35 times and a maximum torque of 2.2 times, both with respect to its rated-loadtorque. Ignoring the effects of the stator resistance and rotational losses and assumingconstant rotor resistance, determine the slip rated load, and the rotor current at starting (as a percentage of the rotor current at rated load). The slip at maximum torque is 0.343 if that helps.
The full load slip of a 4-pole, 60Hz, 440V (line-to-line) three phase induction motor is 0.05. (i). What is the speed of the rotating stating? What is the frequency (in Hz) of the rotor current? (ii). When the output power of the motor is 90 hp at a speed of 1732 rmp, rotational losses (which include frictional and core losses) are 10,100W, while copper losses for both the rotor and stator total 3700W. Determine the motor efficiency and line current, assuming the motor has a 0.8pf lagging under the conditions.
{Q.1} A three-phase induction motor runs at almost 1198 revolutions per minute (rpm) at no load and 1112 rpm at full load when supplied from a 60-Hz, three-phase source. (a) How many poles does this motor have? (b) What is the slip in percent at full load? (C) What is the corresponding frequency of the rotor currents? (D) What is the corresponding speed of the rotor field with respect to the rotor and with respect to the stator?
Type your question here Prove that the power developed by a three-phase induction motor is maximum when the equivalent load resistance RL is equal to the magnitude of the standstill impedance of the motor Zol. Then find the maximum power and slip at which occurs.
electrical machines Explain the load operation test by drawing the test connection diagram of the induction motor.Describe briefly drawing the loaded operating characteristic.
1-What is the effect of load on the efficiency of an induction motor?
a) In the experiment of performance study of three-phase wound rotor induction motor, what are the effects of adding an external rotor resistance on the following? 1. Motor Slip 2. Motor efficiency 3. Motor starting torque 4. Motor starting current 5. Input power factor 6. Magnetizing current 7. Developed torque 8. Maximum torque
base on below mentioned Comparison of the performance indexes discuss and advice best induction motor.