Explain frequency control of 3 phase induction motor from voltage source with constant maximum torque.
Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
A: At the point when single-stage AC supply is given to stator winding. It produces rotating flux. i.e.…
Q: Can single phase induction motor be self-started? Explain the operation of a split phase single…
A: No, the single-phase induction motor cannot be self-started if the auxiliary winding stator winding…
Q: Explain the construction and working principle of three-phase induction motor.
A: Construction of three phase induction motor : Three phase induction motor consist two major parts…
Q: What is the disadvantage of slip ring induction motor...?
A: Slip rings are mechanical devices that enable electrical power and signal transfer from a fixed…
Q: discuss how the dc motor is used in washing machine
A: The answer as given below:
Q: 1) Explain why we fixed the ratio of V/f in experiment to control the speed of three phase induction…
A: if we decrease frequency flux increases but at the same time if we decrease voltage flux will also…
Q: Q1) Under what condition will an induction motor work as an induction generator?
A: In this question, we will describe how induction motor will work as an induction generator..
Q: Q4: a) In the experiment of performance study of three-phase wound rotor induction motor, what are…
A: Approximate Equivalent circuit diagram of wound rotor induction motor is given by Where V is the…
Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
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Q: 4 (b). 3-phase, 50-Hz, 8-pole, induction motor has
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Q: Explain why single phase Induction motor is NOT self-starting?
A: Single phase Induction motor is also known as Fractional HP and Fractional KW motors. Single phase…
Q: Select which of the following winding of Synchronous motor requires AC power supply. O a.…
A: Choose the correct option The winding of synchronous motor require ac power supply ?
Q: In In Star-Delta Starting of 3-Phase Induction Motor What is the relationship between star and delta…
A: Star - Delta starter is used only for the motors which have Delta connected Stator under running…
Q: 22- With neat diagram explain slip ring rotor of 3-phase induction motor. Also draw and explain the…
A: Slip ring rotor of 3-phase induction motor :- The rotor of this motor consists of a cylindrical…
Q: What is a single-phase induction motor? How does a single- phase induction motor work? How do you…
A: Solve the first question, unless the student has asked for a specific question to be solved, subject…
Q: discuss a) the magetising current (Im) of 3-phase motor b) how will you design the rotor of a…
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: the type of three-phase induction motor, which is used for high starting torque application a.…
A: In this we will write about induction motor used for high starting torque..
Q: Examine the saddle torque of induction motors and the effect of different groove structures on the…
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Q: 25: For a three-phase induction motor, explain briefly the following with mention the necessary…
A: We are authorized to answer three subparts at a time since you have not mentioned which part you are…
Q: Which type of motors are not self-starting? Select one: O a. DC Generator O b. Single Phase…
A: The objective is to determine the correct option for the motor which is not self starting.
Q: 30, The rotor of a 50 Hz, 4 pole synchronous motor is directly coupled to rotor of 50 Hz, 6 pole…
A: Given,The parameters of rotor of the synchronous motor,Frequency, f=50 Hz.Pole, P=4.and,The…
Q: in Speed Control of Three Phases I.M. by Variation of Rotor Resistance Give a comparison among…
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Q: A 110-V, 50-Hz single phase induction motor (split -phase) has the following constants for the main…
A: In split phase induction motor main winding and auxiliary winding are connected in parallel. At the…
Q: Give impacts of split phase induction motor on users
A: The induction motor of split phase type is a single-phase induction motor having a starting or the…
Q: What is the difference between torque of (1- 0) induction motor & torque of (3- 0) induction motor…
A: Given that What is the difference between torque of single phase induction motor & torque of…
Q: 5. What are the various methods of speed control of 3-phase induction motor?
A: Various speed control methods are possible for the three phase induction motor. such methods are…
Q: Explain torque speed/torque slip characteristics of 3 phase induction motor
A: Gives details about difference of torque and slip The ratio of difference of synchronous speed Ns…
Q: With neat diagram explain squirrel cage rotor of 3-phase induction motor. Also draw and explain the…
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Q: ii) Analyse the superiority of the V/f method of speed control for three phase Induction Motor With…
A: The induction machine for the variable speed applications, especially the cage rotor type, is mostly…
Q: Q5 : For a three-phase induction motor , explain briefly the following with mention the necessary…
A: Note: Since you have posted a question with multiple subparts, we will solve the first three…
Q: Attempt the following: Draw and explain a complete equivalent circuit of single phase induction…
A: Objectives: To draw and discuss in detail the complete equivalent circuit of a single phase…
Q: The rotor of a 50 Hz, 4 pole synchronous motor is directly coupled to rotor of 50 Hz, 6 pole…
A: Given- 50 Hz, 4 pole synchronous motor, 50 Hz, 6 pole induction motor. To Find- The value of a…
Q: What is the reason of the high starting current in the 3-phase induction motor? Explain in short.
A: Solution: The approximated equivalent circuit of the three-phase induction motor is, From the…
Q: 1. What is the difference between circle diagram method and equivalent circuit method in calculating…
A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…
Q: A three-phase induction motor used for a commercial application in Oman runs at 580 rpm at no load…
A: Given: A three phase induction motor No load speed = 580 rpm Speed at full load = 552 rpm To…
Q: Why single phase induction motor is not self starting
A: The reason for the single phase motor to be not self starting is double field revolving theory.…
Q: IM
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Q: what is capacitor star in induction motor ?
A: Given: What is a capacitor start induction motor?
Q: Name the type of three-phase induction motor, which is used for high starting torque application O…
A: Given : General motors are required in the high power application devices or power systems. For…
Q: With neat diagram explain slip ring rotor of 3-phase induction motor. Also draw and explain the…
A: 3-Phase slip ring Induction motor- 3-Phase induction machine- When three-phase stator displaced by…
Q: We make( V/F) constant in speed control of three-phase induction motor in order to make motor torque…
A: SPEED CONTROL OF 3-PHASE INDUCTION MOTOR:- Variable frequency control: The Synchronous speed of an…
Q: what are the disadvantages of slip ring induction motor?
A: The slip ring induction motor, also known as a winding rotor motor, is an illustration of an…
Q: Compare the properties of induction motor and synchronous motor.
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Q: DC
A: As per company rule, only one question can be solved or the same type question with 3 subparts, here…
Q: Make a sketch to show the speed torque characteristics of a shunt and compound motor
A: for the case of the shunt motor as we increase the torque the speed of the shunt motor decreases and…
Q: Write a short report about using internet of things (loT) in speed control of three- phase induction…
A: Internet of things - The internet of things is a network of interconnected smart devices, physical…
Q: A. Name different types (starting method) of Single-phase induction motor and draw their stator…
A: Since you have posted multiple different questions. we will solve the first question for you. To get…
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- 1. The operation of Commutator in DC Motor is * O a) to convert dc to ac O b) to convert ac to dc O c) to convert fixed dc to variable dc O reverse the current direction in the rotating windings each half turn6- Which of the following supply is given to the rotor winding of 3-Phase Induction Motor: a) DC Supply b) AC Supply c) No Supply d) Pulsating Supply 7- 3-Phase Induction Motor will have Starting Torque and Starting Current a) High, High b) Low, Low. c) High, Low d) Low, High 8- Which of the following method is used for controlling the speed of an induction motor: a) Changing number of stator poles b) Supply voltage control c) Frequency control d) All the options are correct 9- Which of the following method cannot be used for starting of 3-Phase Squirrel Induction Motor: a) Star-Delta Starting b) Line resistor startling c) transformer Starter d) Rotor Resistance Starting 10- The rotor of a stepper motor has no: a) windings b) commutator c) brushes d) all of the aboveTypes of three phase induction motor and its construction.
- What are the following statements are true for a three-phase induction motor? I. Three-phase induction motor stator winding is fed from a single-phase supply II. Stator carries a three-phase winding III. Rotor carries a short circuited winding a. I,II and III b. I only c. I and II only d. II and IIIThe frequency of rotor current in an induction motor is slip times the frequency of stator current. slip times the frequency of supply, One by slip times the frequency of stator current. One by slip times the frequency of supply8. A 3-phase induction motor is running at 2% slip. If the input to rotor is 1000 W, then mechanical power developed by the motor is ............ (i) 20 W (iii) 500 W (ii) 980 W (iv) 200 W
- T-a. The direction of rotation of a single-phase split-phase motor can be change by........ a) reversing the connection of the start winding b) reversing the connection of the run winding c) reversing the connection of the start and run winding at the same time d) "a" or "b", not "c" T-b. Single-phase split-phase motors using an electrolytic capacitor in the start winding circuit should not be cycled more than about__________ time per hour. a) 8 b) 12 c) 24 d) none of the above T-c. When replacing the capacitor in a capacitor-start induction-run motor, one must be sure to replace the bad capacitor with__________ . a) a smaller one b) one of the same size c) a larger one d) none of the above3. What are the various losses in an induction motor? On whatfactors do they depend?A four-pole induction motor drives a load at 2478 rpm. This is to be accomplished by using an electronic converter to convert a 400-V dc source into a set of three-phase ac voltages. Part A Find the frequency required for the ac voltages assuming that the slip is 4 percent. The load requires 2 hp. Express your answer to three significant figures and include the appropriate units. f= Submit Part B Value I = HA Request Answer Submit If the dc-to-ac converter has a power efficiency of 90 percent and the motor has a power efficiency of 80 percent, estimate the current taken from the dc source. Express your answer to three significant figures and include the appropriate units. HÅ Value Units Request Answer ? Units ?
- Discuss the following statements briefly 1. Adding auxiliary winding in single phase induction motors. The starting capacitor of a capacitor start capacitor run induction motor is 100 µF while the running capacitor is 14 µF.What are the similarities and dissimilarities of a 3-phase induction motor and a transformer?What is a single - phase induction motor? How does a single- phase induction motor work? How do you test a single phase motor? Which capacitor is used in single phase motor? What are the advantages of single phase induction motor? What are the applications of single phase induction motor? How does an induction motor start? What are the differences between single and three phase I.M ? What are the types of induction motor? What is the difference between induction motor and normal motor? Why three-phase induction motor self start while single phase motor does not self start?