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An armature is attracted to a magnetic field, which is typically generated by magnets or electromagnets. In electric motors and generators, the armature is the rotating component that interacts with the magnetic field, producing motion or electrical current. The interaction between the armature's magnetic field and the external magnetic field creates a force that drives the mechanism's operation.
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Why is there usually an air gap between armature of a solenoid and the stationary core?
The air gap between the armature of a solenoid and the stationary core is necessary to prevent the armature from being permanently attracted to the core. This gap allows for a controlled movement of the armature, enabling it to return to its original position when the solenoid is de-energized. Additionally, the air gap helps to reduce magnetic saturation in the core, improving the overall efficiency and responsiveness of the solenoid's operation.
Why dc shunt generator does not have armature resistance?
It does have armature resistance.
What is armature reactions in a synchronous machine?
Armature reaction is the effect of armature flux on the flux generated by the fied windings.Cross magnetisation and Demagnetising are its consequences.
What is the function of armature core in dc generator?
this is wer the armature conductors ar being mounted,therefor it helps the flexibility of armature conductors.
What is Comparison of armature controlled and field controlled DC servo motor?
Difference between field controlled and armature controlled is that field control is open loop and armature current is closed loop.
When a current flows through an electric bell what will happen to the armature?
When a current flows through an electric bell, it creates a magnetic field that causes the armature, attached to a spring, to be attracted towards the electromagnet. This movement causes the armature to strike the bell, producing a ringing sound.
Why is there usually an air gap between armature of a solenoid and the stationary core?
The air gap between the armature of a solenoid and the stationary core is necessary to prevent the armature from being permanently attracted to the core. This gap allows for a controlled movement of the armature, enabling it to return to its original position when the solenoid is de-energized. Additionally, the air gap helps to reduce magnetic saturation in the core, improving the overall efficiency and responsiveness of the solenoid's operation.
What is the difference between armature reaction and armature reactance?
armature reactant means loss in armature associated with inductive properties of the coil, while armature reaction include losses due to magnetizing component of current flowing through armature.
Why dc shunt generator does not have armature resistance?
It does have armature resistance.
Difference between 12volt armature and 24 volt armature?
The main difference between a 12-volt armature and a 24-volt armature is the voltage rating at which they operate. A 12-volt armature is designed to run on a 12-volt electrical system, while a 24-volt armature is designed for a 24-volt electrical system. This difference determines the power and speed capabilities of the armature when used in electrical devices.
What are the effect of armature reaction in DC machine and how the armature reaction is minimise?
Armature reaction is the interaction between the magnetic flux produced by armature current and that of the main magnetic field in an electric motor or generator.
What is armature reactions in a synchronous machine?
Armature reaction is the effect of armature flux on the flux generated by the fied windings.Cross magnetisation and Demagnetising are its consequences.
What is the function of armature core in dc generator?
this is wer the armature conductors ar being mounted,therefor it helps the flexibility of armature conductors.
The installation of an advancing armature in place of a standard armature can result in severe kickback?
no
What is mean by armature reaction?
armature reaction means when load is added to the armature then current is passed through armature conductors then in armature creates flux. It is demagnetize and cross magnetize the main field flux. in other ward it is effect of armature field on main field.
What is armature current?
Armature current is the current flowing in a motor's armature. The "armature" is another name for the coil (or coils) of wire which are on the motor's "rotor", which is the part that rotates inside its stator. (The "stator" is the fixed, non-rotating part of the motor.)
Why the induction motor does not have armature reaction?
Because the armature (or rotor) has no external connection. The currents that produce torque from the rotor are induced by the magnetic field in the machine, so there is no commutator, no brushes and no armature reaction.
