In an induction motor, if the rotor is locked, then the rotor frequency of induction motor will be: 1. Equal to the supply frequency 2. Less than the supply frequency 3. More than the supply frequency 4. Zero

In an induction motor, if the rotor is locked, then the rotor frequency of induction motor will be: 1. Equal to the supply frequency 2. Less than the supply frequency 3. More than the supply frequency 4. Zero

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: One single phase energy meter operating on 230 V and 5 A for 5 hours makes 1940 revolutions. Meter…

A: Given- Voltage V=230 VCurrent I=5 Atime t= 5 hoursno. of revolutions=1940meter constant=400To…

Q: Given the following circuit shown with r'd=5 Ohm, what is the voltage across the limiting resistor R…

A: The given circuit is, The resistance of diode r'd=5 Ω.

Q: What is RG rating of coaxial cable. Please give me detailed information. Don't copy previously given…

A: Introduction - Coaxial cable - Coaxial cable is a form of copper cable that is particularly…

Q: Solve the voltage across silicon diode of the given circuit below. ID1 9 0.3 V 32 V 28 V O 0.7 V 32…

A: The question is about analysis of diodes.

Q: 3.1 Find in From the circuit in Figure 3. 3.2 Find Q b ww Σ10 Ω ข้อที่ 3 รูปที่ 3 10 mH 3.3 If a…

Q: Determine the value of the current passing through a resistance of 8 2 in the network shown in the…

Q: 1. In what time would a current of 10 A transfer a charge of 50 C? [5 s]

A: Given, Current, i=10 A Charge, q=50 C Time, t=?

Q: QUESTION 1 Identify four tasks in addition to relay switching operations that PLCs are capable of…

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

Q: A 4 pole d.c. motor takes a 38.6 A armature current. The armature has lap connected 350 conductors.…

A: We have an DC motor with, Poles = 4 Also P = A so, A = 4 Armature current (Ia) = 38.6 A Armature…

Q: Assume that the exclusive-OR gate has a propagation delay of 10 ns and that the AND or OR gates have…

A: Given data, XOR gate propagation delay= 10 ns AND or OR gate propagation delay = 5 ns

Q: What circuit can be used to dim a filament lamp as a room gets brighter? How would it work?

A: The filament lamps are also heated dissipating components apart from being a luminance device. The…

Q: 1.You are synthesizing a chip composed of some logic with an average activity factor of 0.1. You are…

Q: Discuss the various methods of mounting an accelerometer on a machine and describe the influence of…

A: ANSWER There are three methods of ACCELEROMETER MOUNTING. 1-…

Q: Hello sir , I want the solution in detail , with an explanation of each step , please .. Thanks for…

Q: P7.4: Compare the response of two critically damped systems for different initial conditions and…

A: Given, A=-110-1, A=-100-1 B=11, C=11 x01→=11,x02→=11,x03→=11,x04→=11 Here, we have to find physical…

Q: a) Calculate the voltage of the circuit, Vo and the branch current /2, and the resistance R₁. 9 A…

A: Given circuit:

Q: Consider the real time finite length sequence x[n] shown in figure 3 (i) (iii) x[nl II..... 1 2 3 4…

A: Given real-time finite length sequence x(n) To find: (i) Sketch the finite length sequence y[n]…

Q: The two wattmeter method is used to measure the power in a three-phase load. The wattmeter readings…

A: Given- Three phase load-Wattmeter readings=400W & (-35) WTo Find-The total active power Pactive

Q: Simplify the following Boolean expressions, using three variable K-maps: F(x,y,z)=xy+x′y′z′+x′yz′

A: Given: Simplify the following Boolean expressions, using three variable K-maps: F(x, y,…

Q: A three phase, 230 V, 4-pole, 60 Hz, 10 hp, Y-connected induction motor has the following…

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

Q: An electrical component has a reliability of 0.95 over 1,500 hours of normal use (note normal use…

A: Given Reliability = 0.95 Usage in hours = 1500 Here the electrical component usage indicates it…

Q: Q3) Evaluate both sides of divergence theorem if D-3pZ² ap+3Z a and a cylinder: p=2m, (0≤Z≤5) m.…

A: The divergence operator is used by the Gauss divergence theorem to transform surface to volume…

Q: Calculate the emitter current in the voltage divider circuit shown in Fig. 9.27. Also find the value…

Q: 0₂ 03 EAN EBN ECN Lab Ibe Ica Vab Vie VOR LAR Inb Ice 3-phase, 3-wire. Y-connected generator Phase…

Q: A 3-wire d.c. distribution system supplies a load of 5 resistance across the +ve outer and neutral…

A: We have a 3-wire DC distribution system as shown in figure, Given data, Load resistance between +ve…

Q: :(a) Design a 2-bit Universal Shift Register. S1 and S0 are the select inputs of MUX. SO Operation…

A: Universal shift registers- It is a type of register in which there is right shift as well as left…

Q: 2. A current of 6 A flows for 10 minutes. What charge is transferred? [3600 C1

A: Given data Current I = 6A Time t= 10 minutes = 10 × 60 seconds = 600…

Q: 4. Draw the circuit structure of a TCR. By changing the firing angle of thyristors, how can we…

Q: Convert the hexadecimal number 64CD to binary, and then convert it from binary to octal.

A: Given : 64CD16

Q: Determine whether or not this signal is periodic, if so, determine the fundamental period

A: In this question we need to check the given signal is periodic or non periodic. If it is a periodic…

Q: The following is a truth table of a three-input, four-output combinational circuit:Inputs Outputsx y…

A: Given Inputs and Outputs,

Q: Part 1 Find the equivalent resistance Rab for the circuit shown in (Figure 1). Suppose that R1 =…

Q: Find the upper and lower limits for the system shown below. (Show me your work in details)

A: The heater input voltage and the corresponding temperature waveforms of the system are shown below,

Q: 1. Determine the frequency-domain representations corresponding to each of the following time-domain…

Q: A 2-wire d.c. distributor cable AB is 3 km long and supplies loads of 100A, 150A,200A and 50A…

A: We have a 2-wire D.C distributor cable with 3 Km long which supplies loads given A from feeding…

Q: 1.You are synthesizing a chip composed of some logic with an average activity factor of 0.1. You are…

Q: 2) Determine (V) for the Iwo circuits below using superposition. 20 V www 652 www 2 A 252 www IA %…

A: In this question, We need to calculate the output voltage Vo using the super position theorem. In…

Q: The equivalent capacitance at terminals a-b in the given circuit is 10 μ F. Calculate the value of…

A: The given circuit is, Where the equivalent capacitance between terminal a and b is 10 μF.

Q: Sampling at time t = 0, 4, 2x4, 3x4 using ZOH. What's the output at 2.5 seconds? The signal is t^2…

A: Given: Signal f(t)=t^2 The signal is to be sampled using ZOH method at time instants t=0,4,8,12 We…

Q: Consider a linear time-invariant system whose input r(t) and output y(t) are related by the…

A: Given: The linear time-invariant system is, d2ytdt2+4yt=6rt.

Q: Simplify the following Boolean functions, using Karnaugh-map:F(x, y, z) = ∑(2, 3, 6, 7)

A: It is given that: F(x, y, z) = ∑(2, 3, 6, 7)

Q: Solve the output voltage Vo of the given circuit below.

Q: b. Find the current I, e. Draw the power triangle. d. Find the type of elements and their impedance…

Q: (ii) If a six-pole induction motor supplied by a three-phase 50 Hz supply has a rotor frequency of…

A: Given: An induction motor has following specifications, Number of poles P=6. Supply frequency f=50…

Q: Example 3.5 o Evaluate both sides for the field D = 2x yax + rectangular parallelepiped X = 0 and 1…

Q: Check the linearity of the given systems: a) y(n) = 4x(n - 7) b) y(n) = 4x(6n)

Q: Determine the (i) operating frequency and (ii) feedbac fraction for Colpitt's oscillator shown in…

Q: Plot the following signals: 1. (a) y(t) = f 8(x)dx (b) 92 (t) = f(x-t)dx (c) ys(t)= (t(u(t)-…

Q: A coil of resistance 82 and inductance 0.5 H is connected to 110 V d.c. supply. Find (i) rate change…

A: We have an coil of resistance and inductance with, Resistance (R) = 8 Ω Inductance (L) = 0.5 H…

Q: 4.63 a) Use source transformations to find v, in the cir- cuit in Fig. P4.63. PSPICE MULTISIM b)…

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

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

In an induction motor, if the rotor is locked, then the rotor frequency of induction motor
will be:
1. Equal to the supply frequency
2. Less than the supply frequency
3. More than the supply frequency
4. Zero

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

Would a positive-rotating harmonic or a negative-rotating harmonic be more harmful to an induction motor? Explain your answer.
What are the advantages and disadvantages of using the following types of motors? shaded-pole motor PSC motor split-phase motor capacitor-start–capacitor-run motor
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.
Name three characteristics that make the synchronous motor different from an induction motor.
Q#1:a) What is the operating principle of induction motor?b) Differentiate between induction motor and synchronous motor; give at least one practical example.
Explain briefly the differences of induction motor & synchronous motor. 6 sentence
Name the type of three-phase induction motor, which is used for high starting torque application a. Single phase induction motor b. DC motor c. slip ring rotor d. Squirrel cage rotor
A 3-phase induction motor runs at almost 3000 rpm at no load and 2960 rpm at full load when supplied with power from a 50 Hz, 3-phase supply. What is the corresponding speed of the rotor field with respect to the rotor? Select one: a. 60 revolution per minute b. 30 revolution per minute c. 50 revolution per minute d. 40 revolution per minute
electrical and mechanical properties of an induction motor at no load, nominal load, and breakdown
3.An induction motor has a rotor resistance and reactance at standstill of 0.1 ohm and 3.5 ohm respectively. At standstill the voltage induced to the rotor is 60volts per phase. If the slip is 5%, determine the rotor current
Q22/ A three phase induction motor with supply frequency of 50 Hz , 10 poles. If the slip is 4 % at a certain load, determine (a) the synchronous speed, (b) the speed of the rotor (c) the frequency of the induced e.m.f in the rotor and speed of the induction motor if the slip changes to 5.75 %
An induction motor has rotor resistance of 6 (ohm) and reactance of 8(ohm). Neglect stator resistances and reactance. Find value of slip at maximum torque.