The supply frequency is not afffecting the rotor ..............of the three phase induction moto?
Q: Discuss how the Torque is developed in an Induction Motor
A: Gy
Q: Prove that the frequency of the rotor induced emf in an induction motor is slip times its stator…
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Q: Draw voltage phasor diagrams for different load cases of salient pole synchronous generators and…
A: Here it is asking to draw the voltage phasor diagrams for different load cases of salient pole…
Q: Describe the simulation of three phase induction motor
A: Three Phase Induction Motor: A three-phase induction motor is an electro mechanical energy converter…
Q: Enumerate industry applications of induction motor and synchronous motor.
A: Induction motor working Principle When an ac supply is connected to a stator it creates a rotating…
Q: Explain the need for connecting a capacitor in the auxiliary winding of a single phase induction…
A: A single phase induction motor is not self starting and therefore, it is necessary to making it self…
Q: Explain the applications of three phase wound rotor I.M?
A: Wound rotor induction motor has advantage that external resistance can be added to control the speed…
Q: Q2: If the rated frequency for an induction motor is 60 Hz and the maximum tonque Tm is 100 N.m,…
A:
Q: A) Draw the phasor diagram of smooth rotor synchronous generator operating in over excited mode.
A: Synchronous generator under lagging load work in over excited condition
Q: The other possible methods of starting 3-phase induction motors.
A: The starting methods of three-phase induction motors are listed below:
Q: What are the applications of the induction regulator?
A: An induction voltage regulator is a type of electrical machine in which the output voltage may be…
Q: H.W/ Draw and Explain Power flow diagram for an induction motor
A: Power flow diagrams help us to understand how power is flowing within an electromechanical device.…
Q: C) Determine the self-induction and cross-induction coefficients of the windings
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Q: Discuss the effects of rotor resistance in T-S characteristics of 3 phase induction motor.
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Q: What are the losses types of 3-phase induction motor?
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Q: Discuss about Generator modeling in transient stability and derive the formula for the real and…
A: In transient stability analysis of the generator, because of large disturbance linearisation of…
Q: Q11: Draw the circuit, equivalent circuit and the torque speed characteristics of a single phase…
A: Answer -
Q: Characteristics curve of a single phase induction motor (open and closed circuit )
A: We need to draw characteristics curve of a single phase induction motor (open and closed circuit ).
Q: The shunt field winding of the DC motor has less turns of thick wire. Select one: O True O False
A: The shunt field winding of the DC motor has less turns of thick wire.
Q: True
A:
Q: Define the term of degree of compounding in DC generators. What are the applications of different…
A: Degree of compounding in DC generator is determined by number of turns in series field winding.…
Q: What are the main parts of an single phase induction motor? Explain the function each.
A: In this question , we will define parts of single phase induction motor..
Q: The armature of a DC machines is made up of If a 3-phase induction motor has synchronous speed of…
A: find explanation below
Q: Question: A universal motor is controlled by using AC chopper. Suggest a method to reduce the…
A: universal motor- the universal motor is a special electric motor designed to work on either AC or DC…
Q: Draw the equivalent circuit of Induction motor and explain its different parameters.
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Q: ...... 4. The eddy current loss of ac motor is 100W at SOH2. Its loss at 100HZ will be S B) A…
A: As per Bartleby guidelines we are allowed to solve only one question, please ask the rest again.
Q: llustrate open circuit internal circuit and external characteristic for dc shunt generator
A: Internal characteristics: The graph which shows the relationship between load generated emf and…
Q: 1. Which of the following methods is not used for starting an induction motor? a) Adding a…
A: There are various methods of starting induction motor. resistance start, capacitor start, rotor…
Q: What would be the approximate equivalent circuit of this three-phase induction motor model?
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Q: Comment briefly on the relationship between input and output power at varying excitation levels and…
A: Infinite Bus Bar is the bus bar where many(infinite) synchronous machines are connected. The…
Q: Which of the following NEMA design classes of Induction motor has double-cage rotor? Both Class-D…
A: Class C
Q: At rest condition, the slip of induction motor is 1. Select one: True False
A: Solution : Slip of induction motor is 2 to 3% when the motor is operated under the rated load.
Q: How rotor winding is derived the power in the three-phase induction motor? O a. from Single phase…
A: The power flow diagram of a three phase induction motor is shown below,
Q: Explain in detail the Starting of Induction Motors
A:
Q: Explain how the pulsating mmf of a single-phase induction motor may be considered equivalent to two…
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Q: In DC Shunt generator, the armature winding and field winding are connected in series Select one: O…
A: 1) In DC shunt generator the armature winding and field winding are connected in parallel while in…
Q: Illustrate the effect of increasing number of poles in induction motor.
A: The main thing to understand is that increasing the number of poles reduces the motor’s synchronous…
Q: Question: What would the pole pass frequency be for a AC induction moor running at 878 RPM? ( assume…
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Q: At rest condition, the slip of induction motor is 0. Select one: True False
A: slip of induction motor = Synchronous speed - motor speedsynchronous speed
Q: The use of the Internet of Things to control the speed of the three-phase induction motor
A: The internet of things can be used to switch and monitor electrical devices for faults. The circuit…
Q: 7-
A: Torque developed in induction motor is proportional to rotor power. Rotor power is proportional to…
Q: When an induction motor and a heater are supplied from a phase controlled single-phase ac voltage…
A: Electrical machines can be AC or DC machines. They can be either motor or generators. The electrical…
Q: Draw the equivalent circuit of a DC Motor, Separated Excited DC Motor and Compounded DC Motor. Label…
A:
Q: What are the causes and disadvantages of low power factor?
A: Causes Of Low Power Factor- A poor power factor can be the result of either a significant phase…
Q: How an induction motor is constructed
A: Construction of induction motor.
Q: Which of the following is the correct formula to determine the rotor frequency of a 3-phase…
A: Rotor frequency is the number of cycles per second of the rotor
Q: Explain the effect of the capacitor on the operation of the asynchronous machine as a generator.
A: An induction generator can’t work in isolation because it continuously requires reactive power from…
Q: Te frequency of the rotor under the free shaft condition of an induction motor is it 0Hz
A:
Q: A three-phase induction motor operates at rotor speed n=1440 rpm. Find the voltage induced in the…
A: the following data is given in the question. Synchronous speed =1500 rpm motor speed = 1440 rpm…
The supply frequency is not afffecting the rotor ..............of the three phase induction moto?
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- Frequency of emf in the stator of a 8 pole induction motor is 50Hz and the rotor emf frequency is 1Hz. The motor speed is ................ AnswerWhat are the applications of the induction regulator?A single phase Half wave AC voltage controller has a resistive load of 16 ohms with input supply voltage of 240 V, 50 Hz. The delay angle of the thyristors is, a = 2T/5. Determine a) The rms output voltage and current. b) Input power factor and Input curren c) Average output voltage and current.
- Q3 Draw the equivalent circuit of a DC Motor, Separated Excited DC Motor and Compounded DC Motor. Label each component properly (a)Harmonics due to variation of airgap reluctance is called...............A DC, separately excited motor is used to drive a constant-torque load. The field circuit is excited by a full-wave, AC/DC SCR converter. The armature circuit of the motor is connected to a constant dc voltage source of 160 V. The inductance of the field circuit is large, and the field current is continuous. The field AC voltage (input to the converter) is 147 V (rms), and the field resistance is 100 N. The armature resistance is 1.2 N. When the triggering angle of the SCRS is adjusted to zero, the motor speed is 1000 rpm, and the armature current is 10 A. Calculate the average current and dc power of the field i. A1 F1 circuit when the triggering angle is equal to 15°. La Ra If A a P; W M • If the motor speed is to be increased to 1400 rpm, what is the F2 A2 triggering angle? (a) Circuit a =
- A DC, separately excited motor is used to drive a constant-torque load. The field circuit is excited by a full-wave, AC/DC SCR converter. The armature circuit of the motor is connected to a constant dc voltage source of 160 V. The inductance of the field circuit is large, and the field current is continuous. The field AC voltage (input to the converter) is 127 V (rms), and the field resistance is 110 N. The armature resistance is 2.2 N. When the triggering angle of the SCRS is adjusted to zero, the motor speed is 1300 rpm, and the armature current is 13 A. A1 • Calculate the average current and dc power of the field circuit when the triggering angle is equal to 15°. La Ra If 1.04 A Va M P¡ = 110.89 W A2 If the motor speed is to be increased to 1700 rpm, what is the triggering angle? (a) Circuit a =Which of the following sensors has a permanent magnet inside? Hall effect sensor thru-beam optical sensor piezo-electric sensor LVDT capacitive proximity sensor |o|0|0|6[4] The half wave ac controller has rms output voltage equal to input rms Vs at.......... (5] In single phase bidirectional ac controller, the RMS output voltage can be varied between zero to.............. of input voltage
- The starting winding circuit of a capacitor start, induction run motor consists of a 15 Q resistance and a 20 Q2 inductive reactance. These components are in series with a 50 uF capacitor. The circuit is connected to a 120 V, 60 Hz source. Determine: a. the impedance of the series circuit. b. the current. c. the true power. d. the power factor.What are advantages and disadvantages of the induction motor?What are the various losses in an induction motor? On what factors do they depend? IV. V. List the different types of stray load losses in an induction motor.