Rotor resistance of a three-phase induction motor is 0.080 per phase. Maximum torque is available at the slip of 12%. Calculate the equivalent load resistance, load voltage and load current at this slip. Gross output power is 9 kW.

Rotor resistance of a three-phase induction motor is 0.080 per phase. Maximum torque is available at the slip of 12%. Calculate the equivalent load resistance, load voltage and load current at this slip. Gross output power is 9 kW.

Electric Motor Control

10th Edition

ISBN:9781133702818

Author:Herman

Publisher:Herman

Chapter39: Synchronous Motor Operation

Section: Chapter Questions

Problem 14SQ: Induction motors and welding transformers require magnetizing current, which causes a. lagging power...

See similar textbooks

Related questions

Q: Find F[e-t(sin wot)u(t)] Note: F.T(sin wot) = TU (8(w – wo) − 8(w + wo)) - - F.T(u(t))=π8 (w) +…

A: Given: signal s(t)=e-t(sinw0t)u(t) we have to compute Fourier transform of the above signal. It can…

Q: A: Calculate the current in 2 resistance. 45 7v ва 345 32л Trou

Q: Q1 The 512-point DFT magnitude plot of a discrete-time signal has peaks at k-64 and k=448. Assume…

A: Below find the solution !! a) w = 2 * pi * k / N w = 2 * pi * 64 / 512 w = 0.125 * pi b) f =…

Q: A 9V-battery is connected to a resistive strip that consists of three sections with the same…

A: Given Xs = 8.00mm ρ3 = 3.00 × 10-7Ωm Area of cross section is same for all three sections ρ1 = ? ρ2…

Q: If the peak voltage of a 60-Hz AC generator is 250 V, what is the instantaneous voltage after the…

Q: Q1) (A) Explain the equation which shows the relationship between the career Frequency and the…

A: Note- As per the policy, we can answer only one question, please post remaining as separate…

Q: Calculate the current I, for the network shown below using nodal analysis.

Q: Amax Design a Butterworth 2nd order LPF with an upper cut-off frequency (UCF) of 1 kHz and = 3 [dB],…

A: A form of signal processing filter known as a Butterworth filter is made to have a frequency…

Q: I need ans..... in 10 minutes please help me If the input voltage of an amplifier is 3.46 V rms…

Q: Vin R₁ C₂ R3 C₁ HH 5-2 R₂ - Vout

A: The given band-pass filter is the narrow band-pass filter. In this filter, only one op-amp is used…

Q: Use superposition theorem to find the value of VÀ in the following circuit due 3A

A: Given circuit diagram,

Q: a circuit has resistance of 25 Ohms and the current flows at 10 amperes. determine the voltage

Q: What is the free space path loss in dB over 80 meters at the 2.4 GHz band?

A: Given: The distance between the antennas, d = 80 meters Frequency of a radio wave, f = 2.4 GHz Speed…

Q: At starting, the windings of a 230 V, 50 Hz, split-phase induction motor have the following…

A: Given, At starting, the winding of a split phase induction motor have the following parameters For…

Q: 2. Consider buck-boost converter with the following parameters: Vin=40 V, V0 =60 V, R=20 Ω, and…

A: Given Vin = 40V Vo = 60V R = 20Ω L = 750μH T = 200μs ⇒f = 5000Hz = 5kHz D = ? Mode of operation:?…

Q: Fig. Shows a parallel circuit. Determine the power absorbed by each load and the total complex…

Q: Compare but do not explain once again compare and do not explain between detection methods used in…

A: Frequency Modulation is a process through which a signal can be transmitted wirelessly over long…

Q: Calculate the value of C, when Ceq = 30 µ F a o 14 μF C 1

A: Given data, Ceq=30 μF Circuit diagram is given as,

Q: In a circuit, if each resistance has value of 20 kohm and V₁ = 1.5 V, V₂=2.5 V, then what will be…

A: Given op-amp circuit, Where, V1=1.5 VV2=2.5 VR1=R2=R3=20 kΩ

Q: An antenna having a radiation resistance of 7502 is radiating 10 kW. How much current flows into the…

A: Given information: The radiation resistance of the antenna is Rr=75 Ω. The power radiated by the…

Q: A linear resistance potentiometer is 50 mm long and is uniformly wound with wire having a resistance…

A: We have an potentiometer with, Length (l) = 50 mm Resistance of potentiometer = 10000 Ω and we have…

Q: 1.00 1 1 W R₁ ww 2bo Find the g parameters for the circuit in (Figure 1). Take R₁ = 2, R₂ = 15, R₂ =…

Q: Consider the following block diagram: R(s) K Determine the characteristics of this system: 1. The…

A: Given:

Q: The equation for FM wave is s(t) = 17 cos [552920307t +64 cos 10562t] Find the following: (i)…

A: Given data, FM wave st=17cos552920307t+64cos10562t

Q: A 12 ampere electric fan and blower with a power factor of 0.90 was connected to 240 volts…

A: The question is about circuit current and power in the circuit.

Q: 5. Calculate the r.m.s. value, the form factor and peak factor of a periodic voltage having the…

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

Q: (c) A TV broadcast antenna transmits power of 3 kW at frequency of 200 MHz. The transmitter antenna…

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

Q: A strain gauge of 100 2 is mounted on a steel cantilever beam at distance of 20 cm from free end. An…

A: We have an strain gauge with, Resistance of strain gauge (R) = 100 Ω Deflection of cantilever (y)…

Q: An ac voltage source of V max = 120 V is rectified using a half-wave rectifier circuit, using the…

A: A Half- wave rectifier circuit works on the basic principle of " When a standard AC signal is passed…

Q: Q8) If the initial conditions on y(t) and u(t) their derivatives are zero, find the transfer…

A: Note: We’ll answer the first question since the exact one wasn’t specified. Please submit a new…

Q: A] A transmitted signal travels a distance of 72 m during a time interval. If this distance is equal…

Q: • Show the voltage waveforms across each half of the secondary winding and across RL. • Find the…

Q: Find F.T [e-t sin(wot)u(t)] sin(wot) = [ewot wot - e-wot 2j

Q: Determine the gradient of V = e(2x+3y) cos5z, at point (0.1, -0.2, 0.4) ax az ay

Q: 15 A current? What is the radiation resistance of an antenna which radiates 5 kW when it draw

A: Given information: The current drawn by an antenna is I=15 A. The power radiated by the antenna is…

Q: Find z-transform of the following signals. (1) x(n) = u(n) (2) x(n) = 8(n) (1) 2 (3) x(n) = u(-n)

Q: Derive a minimum Sum of Products (SOP) expression for the logic function given below. You may use…

A: Given a logic function, FA,B,C,D=∑m3,4,5,6,7,10,11,14,15

Q: How much power will an antenna having a radiation resistance of 5002 radiate when it is fed with 20…

A: Given information: The radiation resistance of an antenna is Rr=50 Ω and the antenna is fed with a…

Q: The power output of a typical large power plant is 1000 megawatts . Express this result in Watts

Q: Determine the voltages 1 and 2 of the network in Fig. by nodal analysis. ΤΩ 3, ΤΑ 1 των 2Ω O Μ ΖΩ 2…

Q: 100 persons are surveyed about their smoking habits. The results are shown below: Do you smoke? Male…

A: Given a table which shows results of survey conducted on 100 people about smoking habits. Fins what…

Q: is a typical configuration of an exothermic chemical reaction occurring in a Continuous Stirred Tank…

A: Introduction: The jacketed stirred reactor is a self regulating processes. That is, the measured…

Q: Q\ Compare but do not explain once again compare and do not explain between detection methods used…

Q: An ammeter has a f.s.d. of 100 mA and a resistance of 50 2. The ammeter is used to meas- ure the…

Q: 2. A coil, having a resistance of 100 2 and an inductance of 0.2 H, is connected in series with a 20…

Q: The wavelength of a sinusoidal plane electromagnetic wave propagating in +y direction in vacuum is 6…

A: Given- Wavelength of electromagnetic wave = 6x10-8 m Propagating direction= +y Amplitude of electric…

Q: 1- Design this circute and found R₁, R₂ 23 Drow A.c circute and found Ri, Ro 3) Write the De and As…

A: According to guidelines, only the first 3 subparts will be solved. For any other part please post a…

Q: An IDMT type over-current relay is used to protect a feeder through 5000/1 ACT. The relay has a PS…

A: We got an over current relay of IDMT type. CT ratio = 5000/1 Current Setting = 125 % Time Setting…

Q: A conducting bar of length L-80 cm is rotated on a conducting circular platform as shown in the…

A: Given data, Magnetic field B=12×10-3 T Angular speed ω=5 rad/s Length L=0.80 m Capacitance C=40×10-6…

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

Rotor resistance of a three-phase induction
motor is 0.080 per phase. Maximum torque is
available at the slip of 12%. Calculate the
equivalent load resistance, load voltage and
load current at this slip. Gross output power is
9 kW.
zwoll
E2
1₂
INSTR₂=0.08001 od X₂ boobs
Yo not www
YOUR voor
R₁ R₂(1/S-1)
constaies sidsiuv od lliw sad jedanss

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

Equivalent Load Reistance

VIEW

Equialent Load Voltage

VIEW

Current At slip

VIEW

Step by step

Solved in 4 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

Induction motors and welding transformers require magnetizing current, which causes a. lagging power factor. b. leading power factor. c. unity power factor. d. zero power factor.
What are the similarities and dissimilarities of a 3-phase induction motor and a transformer?
A 6 pole wave wound d.c. shunt generator has 500 conductors. A generator delivers 50 kW of power at 250 voltage at full load. The resistance of the field circuit is 125 2. Actual brush shift is 10°. Then find the demagnetizing and cross magnetizing ampere turns per pole and how many additional turns must be wound on each pole to eliminate the demagnetizing effect.
If two 3-phase induction machines are mechanically coupled with each other. The two machines are supplied by 50 Hz and 60 Hz, respectively. the speed of the combination of both machines will be:
3. What are the various losses in an induction motor? On whatfactors do they depend?
A 6-pole, 3-phase, 60-cycle alternator has 12 slots per pole and four conductors per slot. The winding is 5/6 pitch. There are 2,500,000 maxwells (0.025 weber) entering the armature from each north pole, and this flux is sinusoidally distributed along the air gap. The armature coils are all connected in series. The winding is wye-connected. Determine the open circuit emf of the alternator.
6. Home Works: a) The figure below shows the per-phase equivalent circuit of a two- pole three-phase induction motor operating at 50 Hz. The voltage (E1) across the magnetizing inductance is 210 V, and the slip (s) is 0.05. What is the developed torque produced by the motor ? 0.04 0 jo.22 Q j0.22 0 j6.28 NE E1 0.05 0
Draw the per-phase equivalent circuit of a three-phase squirrel-cage induction machine. List all of the elements in the equivalent circuit and briefly state their function
An ideal dc generator has regulation of 40% 20% O 30% Zero
A magnetic ring has reluctance of 1.675 × 10⁰ AT weber. The flux to be produced by the coil is 800 x 10 webers, then the AT required for the m.m.f. will be
1.Two identical shunt generators running in parallel, each with armature resistance of 0.02 ohms and field resistance of 50 ohms. The combined load current is 5000A. The field are so excited that the generated voltages of one machine is 610V and the other is 600V. The terminal voltage of this parallel combination will be. www Ish1 Rh1 a.350-360 V b.450-460 V c. 550-560V Rat www az G₂ Raz 5000 A Ish2
The terminal voltage of a 150 kW series generator is 600 V at rated load. The armature resistance is 0.06 ohms and the series field resistance is 0.04 ohms. Find generated emf.