The synchronous reactance of the direct-axis and quadrature-axis of a three-phase, 40-pole, 50 Hz, 13,8 kV, salient-pole synchronous generator is 2,38 Ω and 1,33 Ω respectively. The resistance of the star-connected stator is negligible. The load angle of the machine is 30°e and the excitation is set to induce an emf of 167%. Sketch the phasor diagram and calculate: (a) current (b) power (c) reluctance torque

Q: 13. A 200V DC Generator has a shunt field resistance of 200ohms. Its field current A) 1A B) 2A C) 3A…

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Q: When slip of a three phase induction machine becomes negative, it will be functioning as a motor.…

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Q: 13. A 200V DC Generator has a shunt field resistance of 200ohms. Its field current A) 1A B) 2A C) 3A…

A: 13. Given data, Terminal voltage V = 200 V Field resistance Rf=200 Ω

Q: If the no-load speed of a squirrel cage induction motor connected to a three-phase, 50 Hz is 12.…

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Q: A 6 pole, 3.3 kV, 50 Hz dalta -connected three-phase induction generator has the following…

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Q: Mention 3 factors causing a permanent magnet generator not to generate emf

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Q: We use stroboscope to calculate the torque of three- phase induction motor?* True False

A: Scroboscope is used to measure the speed of induction motor.

Q: To change the direction of rotation of a series wound DC generator the general rule is to

A: To change the direction of rotation of a series wound DC generator  Note: we always change the…

Q: component is fabricated using cast iron in an Induction motor. Bearings Stator frame Rotor stator…

A: 3-Phase Induction Motor- 3-Phase induction machine- When three-phase stator displaced by 120' is…

Q: The generated voltage per phase of an alternator is E0 while the speed of rotor rotation is 3000…

A: We will establish the relation between the generated voltage and the speed of the alternator.

Q: a 3 phase, 50 hz synchronous generator has 200 conductors per phase. The flux per pole is 30mwb and…

A: 3 phase synchronous generator frequency f = 50 Hz  number of conductors per phase Z = 200 number of…

Q: Determine the current flowing through resistor R₁, given E₁ = 194 V, R₁ = 220, R₂ = 25 Q, R₂ = 150,…

A: Given Data:A DC resistive circuit with,Supply voltage To Find:The current through

Q: A 3-phase induction motor is wound for 2 poles and is supplied from 59-Hz system. When slip is 4%,…

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Q: The power supplied to a three-phase induction motor is 20kW and the stator losses are 1000W. If the…

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Q: The number of poles in the rotor circuit of a 3-phase induction motor is O Always two. Zero, because…

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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: small 4-pole generator with a six-turn rotor coil generates the following voltage wave: e = 169.706…

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Q: Generators using salient pole structure rotors are called turbo-alternators. Select one: O True O…

A: The explanation is as follows.

Q: When the field current (If) is increased towards its rated value in the DC shunt generator, the…

A: Given, DC shunt generator, If, field current is increased

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: operating frequency

A: Given- Power factor= 0.8 Frequency= 62 Hz Damping coefficient= 2 MW/Hz Power= 2 MW

Q: A small 4-pole generator with a six-turn rotor coil generates the following voltage wave: e =…

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Q: d.c. shunt generators in parallel, ench having an armature resistance of 0.1 0, running at the same…

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Q: What is the working principle of a single phase motor

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Q: 12. Calculate the number of series turns per pole required on a compo generator to enable it to…

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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: Explain how the real and reactive power is controlled in synchronous generators.

A: Synchronous generators: Synchronous generators, also known as alternators, are a type of electrical…

Q: List 3 differences between how 3 phase induction motors and single phase induction motors work

A: Induction motor is a widely used machine in the industry and for commercial purposes. based on the…

Q: QUESTION 1 A three-phase, 250 kVA, 8 pole, 50 Hz, star connected synchronous generator is driven at…

A: We are authorized to answer three subparts at a time, since you have not mentioned which part you…

Q: how does the rotor of a 3-phase induction motor get power a-  through brushes and commutador…

A: In this question we need to choose a correct option.

Q: The impedance of the main winding of a single-phase induction motor is (9+j5) Q. The impedance of…

A: Given data, Zm=9+j5Za=4.5-j10V=120 Vf=60 Hz Now, Current in the main winding is…

Q: 8max : 0:5 T 0.ST, 1800 rpm O.5T In a two pole 3-p synchronous generator, the peak flux of rotor…

A: The solution can be achieved as follows.

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: The rotor resistance and stand still reactance of a 3 phase induction motor are 0.02 0/phase and…

A: It is given that:

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.