component is fabricated using cast iron in an Induction motor. Bearings Stator frame Rotor stator core
Q: Provide your recommendations for reduction of magnetic losses in an induction motor.
A: The energy expended when an alternative magnetic field works on a Ferro-or ferrimagnetic material,…
Q: 03) I. What' s the effect of The auxiliary winding of split - phase induction motor when it becomes…
A: (1) In a split-phase motor, there are two windings : main winding and starting winding , Both the…
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: 11. The number of three-phase induction motor parts and the function of each part.
A: Note: As per the policy we can solve only one question, please re-upload the remaining question as a…
Q: What are the similarities and dissimilarities of a 3-phase induction motor and a transformer?
A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…
Q: The reactance’s of the alternator during the periods of the subtransient, transient and steady…
A: An alternator/Synchronous generator is a type of electrical machine that converts mechanical energy…
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 how a revolving field is set up in a 3-phase induction motor.
A:
Q: Write four disadvantages of stator voltage speed control method of 3-phase Induction motor.
A: The speed of induction motor is given by: NR=120fP(1-s) So to vary the speed of induction motor we…
Q: The most common failure item with a three-phase induction motor system is the A. rotor bars. B.…
A: Option A is correct because Rotor is a rotating part while stator is a stationary part of of an…
Q: 4- A double squirrel-cage induction motor has (a) Two series winding in stator (c) Two parallel…
A: In this question we will write answers related to induction motors...
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: In a single phase AC capacitor start and run induction motor, the starting torque is given by…
A: This problem is from single phase IM. The solution is given below
Q: The rotor reactance of the three phase induction motor is varies with of the rotor current.
A: According to the question we have to discuss the induction motor reactance.
Q: 8- The DC test for three phase induction motor determines (a) Rotor resistance(R2) (b) Stator…
A: Dc test means connect any two stator terminal to a variable dc source and connect a voltmeter in…
Q: The other possible methods of starting 3-phase induction motors.
A: The starting methods of three-phase induction motors are listed below:
Q: Draw the mechanical characteristics forshunt and series motor. 4
A: We will refer the concept of speed-torque characteristics.
Q: the efficiency of the 1 phase induction motor could be better increased by adding a permanently…
A:
Q: Discuss the effects of rotor resistance in T-S characteristics of 3 phase induction motor.
A:
Q: (a) Draw and explain slip-torque characteristics of 3-phase induction motor.
A: As per the guidelines, we supposed to answer one question at a time so please ask other questions…
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: Skewing of rotor conductors in a squirrel cage induction motor reduces a. heat developed while…
A: The explanation is as follows.
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: Write four disadvantages of stator voltage speed control method of 3-phase induction motor
A: Stator voltage speed control method: It is the speed control of 3-phase induction motor by…
Q: What are the following statements are true for a three-phase induction motor? I. Three-phase…
A: Based on the construction and working of three phase induction motor this question can be answered .
Q: Q3) I. What' s the effect of The auxiliary winding of split - phase induction motor when it becomes…
A: In this question, We need to explain the effect of the short winding of the auxiliary winding.…
Q: Explain why rotator rotates in three phase induction motor
A: Induction Motor: The Induction motor is basically a rotating machine. It converts Three phase Ac…
Q: Can use static rotor resistance method to speed control in slip ring induction motor but cannot used…
A: 1)yes.As by changing slip rings of the rotor, the resistance of the rotor can be changed. There is…
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: 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: An alternator is much less likely to burn out on a sustained short-circuit than a separately excited…
A:
Q: I need short presentation about reverse the direction of rotation of three-phase squirrel cage…
A: According to the question we have to explain about reverse the direction of rotation of three-phase…
Q: Permanent-split capacitor motor is in effect a 2-phase motor and at no load could attain the…
A: True and false? Permanent-split capacitor motor is in effect a 2-phase motor and at no load could…
Q: The rotor power output of 3-phase induction motor is 15 kW. The rotor copper losses at a slip of 4%…
A: In this question we have to find out rotor copper loss while given slip and rotor power output...
Q: the single phase induction motor can not be rotate without auxiliary winding * I true ) false
A:
Q: ii)Conduct suitable tests to measure the copper loss occurs in a three phase Induction Motor.
A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…
Q: For a three phase induction motor neutral wire is not required. Select one: True False
A: To solve above problem one should understand basic concepts of three phase: In a three phase system,…
Q: A 3-phase induction motor is wound for 2 poles and is supplied from a 50-Hz system. Calculate (I)…
A: Given data, The value of number of poles is P = 2. The value of frequency is f = 50 Hz. The value…
Q: Three phase asynchronous motor requires three phase AC power supply for Stator winding and DC power…
A: Given that Three phase asynchronous motor requires three phase AC power supply for Stator winding…
Q: Differentiate the two types of three-phase induction motor
A:
Q: A 4-pole induction motor, supplied by a slightly unbalanced three-phase 50 Hz source, is rotating at…
A: Given an induction motor with, Total number of pole, P=4. Frequency, f=50 Hz. Rotor speed, Nr=1440…
Q: Question: What would the pole pass frequency be for a AC induction moor running at 878 RPM? ( assume…
A:
Q: Q3) I. What' s the effect of The auxiliary winding of split - phase induction motor when it becomes…
A: In this question, We need to find the effect of the auxiliary winding when it become short circuit…
Q: 7-
A: Torque developed in induction motor is proportional to rotor power. Rotor power is proportional to…
Q: Skewing of rotor conductors in a squirrel cage induction motor reduces O a. heat developed while…
A:
Q: A 3-phase induction motor is wound for 6 poles and is supplied from a 60 Hz supply. Calculate the…
A: Given a 3-phase induction motor has, Number of poles, P = 6 Supplied frequency, f = 60 Hz Rotor…
Q: Q3) I. What' s the effect of The auxiliary winding of split - phase induction motor when it becomes…
A: In this question, I. What's the effect of the auxiliary winding of split phase induction motor when…
Q: Skewing of rotor conductors in a squirrel cage induction motor reduces O a. heat developed while…
A: Effect of Skewing of rotor conductor in a squirrel cage induction machine? Which quantity is reduce…
Q: Comparison between induction motor and synchronous motor
A: Induction motor runs at a speed lower than the synchronous speed whereas synchronous motor runs at…
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: 2- Calculate the frequency of rotor current for six pole, 3-phase induction motor running at 950…
A: this is 3 phase induction machine Rotor frequency? If rotor speed N= 950rpm Synchronous speed Ns=…
Q: The frequency of rotor current in a 6-pole, 50 Hz, 3-phase induction motor running at 950 r.p.m. is…
A: Given: A three-phase induction motor with, Number of pole, P = 6 Frequency, f = 50 Hz Rotor speed,…
Q: Describe the Torque-Slip characteristics of a three phase induction motor.
A: Torque-slip characteristics of an induction motor tell us about how the torque of induction motor is…
Q: A three-phase 50H42 induction motor has six poles. If the full load slip is 5%, determine the rotor…
A: The given data is, A 3-phase induction motor has, Supply frequency f=50 Hz. Number of poles P=6 Full…
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- A transformer has primary and secondary turns of 1250 and 125 respectively. It has core cross-sectionof 36 cm2 and its rms flux density is to be limited to 1.4 T (to prevent core saturation). Whatmaximum 50 Hz voltage can be applied on the primary side and the corresponding open-circuitsecondary voltage?The core has a mean length of 150 cm and its relative permeability can be assumed to be 8000. Whatwould be the rms exciting current when the transformer’s primary winding is excited at a voltage ascalculated above? Also calculate the magnetizing susceptance as seen from primary and secondarysides.If the transformer were to be excited at 60 Hz, 1. What should be the maximum primary voltage for thecore flux density limit not to be exceeded? 2. What would be the magnetizing susceptance as seen oneach side in this case?A small single-phase 60 Hz transformer has 10.2 W at no load. The core has a volume of 750 cm3. The maximum flux density is 10,000 G and the hysteresis constant of the core is 0.0005. Using the Steinmetz law on hysteresis loss, find the eddy current loss.Armature winding of an alternator can also be described as
- Seconday winding of transformer is made-up of material. O insulated CRGO conductor O insulated copper conductor O Cold Rolled Grain Oriented (CRGO) conductor Cold Rolled Grain Oriented (CRGO) Silicon SteelThe emf induced in the dc generator armature winding is * O AC and DC O DC O None of the above O AC4. The portion of the flux that goes through one of the transformer coils but not the other one is called. A) Average flux B) Mutual flux D) Leakage flux C) Total flux 5. The fundamental component of the magnetization current ------- the voltage applied to the core by ------ 90°: A) Lags, 45° B) Leads, 45°. D). Leads, 90°. C) Lags, 90°. 6. The ----- are resistive heating losses in the core of the transformer. A) Hysteresis losses. B) Copper losses. C) Leakage flux losses. D) Eddy current losses. 7. The total rotational losses of an induction motor are a combination of: A) Friction losses B) Windage losses. C) Core losses. D) Stray losses. 8. Induction motors are now the preferred A) absence of brushes. choice for industrial motors due to B) Small size. C) Less control requirements. D) rugged construction. 9. For an induction motor, if the synchronous speed is 1800 r/m, and the rotor speed 180rad/sec, then the slip will be: A) 5.5 % C) 6% B) 4.5% D) 4% 10. The lower the speed of an…