Course #1106 SJOJOW Figure 4A Figure 4B

Q: 'hy does a slip occur in the three-phase induction motor? Expla

A: In a three phase induction motor, a three phase supply with a phase difference 120…

Q: A 6 pole, DC generator has a wave-wound armature containing 30 coils of 5 turns each. Its flux per…

A: Given- Number of poles P=6, DC generator- wave-wound armature, 30 coils of 5 turns each, Number of…

Q: 4- An induction Motor is a) Self-starting with high torque c) Self-starting with low torque 5- In…

A: (4) Starting of induction motor: Because each phase's winding displacement is 120 degrees, and the…

Q: The speed of rotating magnetic field of 8 pole 50 Hz induction motor is?

A: Given, Frequency, f = 50 Hz. The number of pole, P =8

Q: In DC generator is used for smooth rotation of armature.

A: In this question we need to answer in DC genrator what we use for smooth rotation of armature.

Q: 2) the armature windings of a 12-pole DC machine are composed of 72 coils with 10 windings, and the…

A:

Q: the magnetic strengh of the field poles on a perment magnet DC motor cannot be varied a- true b-…

A: The speed control of the PMDC motor cannot be controlled by using flux control method as the flux…

Q: a. Explain how a rotating magnetic field is produced in a three-phase induction motor. b. Explain…

A: a) Rotating Magnetic Field When a three-phase supply is applied to a three-phase distributed…

Q: Mark the WRONG statement. In induction type kWh meters

A: The induction type energy meter consists of an aluminium disc and it is placed between two…

Q: Explain in detail how AC motors develop a rotating magnetic field.

A:

Q: What are the following statements are true for a three-phase induction motor? I. Three-phase…

A: We need to select correct statement regarding three phase induction motor.

Q: How is a rotating magnetic field produced in a three-phase induction motor? Explain it with the help…

A:

Q: Calculate the rotor reactance per phase of an 8 pole, 50Hz, 30 induction motor which develops a…

A:

Q: A 220V, four pole, wave wound DC series motor has 1000 conductors on its armature. It has armature…

A: DC machines (Generator/ Motor) are the important parts of electrical drives. These machines are used…

Q: generator is 600 RPM, and on load generated voltage is 110 V. Calculate Q3) A 4 pole wave wound…

A:

Q: In a two-pole synchronous generator, the voltage positive peak... a) Is half the negative peak b)…

A: you know by Faraday law of induction e =-Ndϕdt so when value of change in flux is maximum the…

Q: why the slip of induction motor is never zero.

A: slip of the induction motor can be given by the following equation Slip = ( synchronous speed -…

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: In a 4 pole, 20 kW, 200 V wave wound DC shunt generator, the current in each parallel path will be

A:

Q: A 100kW generator, 250V, 6 poles have a wave wound armature with 300 turns then the number of…

A: The solution can be achieved as follows.

Q: The back emf of a dc motor

A: The explanation is as follows.

Q: 93. A 4-pole de generator runs at 1500 rpm. The frequency of current in armature winding is (a) Zero…

A: Given, Total number of pole, P = 4. Speed, N = 1500 rpm.

Q: amature windings commonly used in DC machines a DC shunt generator are wound with a large numbe C…

A: 3. In Dc generator brushes are used to convertalterating current (ac) which is armature wlndingsto…

Q: Q2/ A lap-wound de generator runs at 600 rpm has an open circuit voltage of 290 V. the commutator…

A:

Q: Why do we need to supply DC field current instead of AC in an Alternator rotor? Explain briefly your…

A: Explanation is given in step -2

Q: In squirrel cage induction machine... a) The rotor mechanical speed is equal to the synchronous…

A: When a three-phase supply is provided to the stator of the induction motor the rotating magnetic…

Q: To start a synchronous motor, the frequency of the applied electric power is reduced to decrease the…

A: Electrical machines can be either generator or motors. They can be either Ac machines or DC…

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.