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To produce a rotating magnetic field, you need a three-phase electrical system with currents flowing through three separate windings spaced at 120 degrees apart. The currents must be of equal magnitude and have a phase difference of 120 degrees. This configuration creates a magnetic field that rotates due to the combined effect of the three phase currents.
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What is the factors on which the induced EMF in a coil rotating in a uniform magnetic field depends?
The induced EMF in a coil rotating in a uniform magnetic field depends on the strength of the magnetic field, the number of turns in the coil, the area of the coil, the speed of rotation, and the angle between the magnetic field and the plane of the coil.
Where is the magnetic field created alternator?
The magnetic field in an alternator is created by the rotor, which is an electromagnet that produces a rotating magnetic field as it spins. This magnetic field induces an alternating current in the stator windings through electromagnetic induction, which is then converted to usable electrical power.
What occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field?
When a rapidly rotating conductor is stirred by convection, it generates a phenomenon known as a dynamo effect. This effect causes the motion of the conductor to induce electric currents, which in turn create a magnetic field. The resulting magnetic field can enhance the overall magnetic properties of the system.
What are rotating electromagnets?
Rotating electromagnets are electromagnetic devices that produce a rotating magnetic field when an electric current passes through them. They are commonly used in electric motors and generators to convert electrical energy into mechanical energy or vice versa. The rotating magnetic field creates a torque that drives the rotation of the motor's rotor or generator's armature.
How do you produce eddy current in magnetic drum?
Eddy currents in a magnetic drum can be produced by rotating the drum in close proximity to a magnetic field. The changing magnetic field induces currents in the metal drum, which in turn creates its own magnetic field that interacts with the original field, causing eddy currents to flow within the drum.
Name the types of alternators based on their rotor construction?
1) Rotating armature alternator, rotates in stationary magnetic field. 2) Rotating field alternator, the magnetic field is rotating.
Is there any rotating magnetic field in dc motors?
yeah ,if we consider a 3 phase dc motor ,the rotating magnetic field is produced by rotating the permanent magnet with a constant speed.
Which device uses a rotating electric power source to produce a magnetic field?
well as the name mention production of magnetic field due to rotation. if we consider three identical coils axis physically by120* each and 3 phase supply given then their is the production of aleternating magentic field in each coil
What is the factors on which the induced EMF in a coil rotating in a uniform magnetic field depends?
The induced EMF in a coil rotating in a uniform magnetic field depends on the strength of the magnetic field, the number of turns in the coil, the area of the coil, the speed of rotation, and the angle between the magnetic field and the plane of the coil.
What does a Rotating magnetic field do?
The Field which is continuously rotating with a particular axis is known as rotating magnetic field. It will be created in Three phase induction motor's stator. When the supply is given to stator of three induction motor, the flux of each phases (that are displaced by 120 degrees) will interact. Due to this the resultant Field will be rotating Magnetic Field will be Produced.
What is rotating of magneting field?
well as the name mention production of magnetic field due to rotation. if we consider three identical coils axis physically by120* each and 3 phase supply given then their is the production of aleternating magentic field in each coil
How does electricity and magnets affect the other?
Electricity is created by a rotating magnetic field captured by a coil. The flow of electrons creates a magnetic field.
What part of the ac generator produces the rotating magnetic field?
The stator and the magnets.
Where is the magnetic field created alternator?
The magnetic field in an alternator is created by the rotor, which is an electromagnet that produces a rotating magnetic field as it spins. This magnetic field induces an alternating current in the stator windings through electromagnetic induction, which is then converted to usable electrical power.
What occurs when a rapidly rotating conductor is stirred by convection to produce a magnetic field?
When a rapidly rotating conductor is stirred by convection, it generates a phenomenon known as a dynamo effect. This effect causes the motion of the conductor to induce electric currents, which in turn create a magnetic field. The resulting magnetic field can enhance the overall magnetic properties of the system.
What are rotating electromagnets?
Rotating electromagnets are electromagnetic devices that produce a rotating magnetic field when an electric current passes through them. They are commonly used in electric motors and generators to convert electrical energy into mechanical energy or vice versa. The rotating magnetic field creates a torque that drives the rotation of the motor's rotor or generator's armature.
Whats meant by radial magnetic field?
A radial magnetic field ensures that the plane of the coil (rotating within the magnetic field, in say a DC motor) is always flat within the external magnetic field ensuring maximum torque in (nearly) all positions. Hope this helps!
