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Q: Winding dirction of rotor and commutator?
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What rotates to create electricity?

a rotor which is powered with a dc voltage using a commutator turns within a stator winding system, and the created magnetic field cuts through the stator windings and induces a voltage into the electrical winding circuits.


What is the function of the commutator on the armature?

A commutator is used to interconnect the rotor winding to the outside world (it doesn't connect to the armature/stator winding). It's similar to slip rings, although much more complex. It switches current direction as the rotor spins so a constant DC is applied to the rotor field winding.AnswerA commutator....(a) enables a rotating machine to be electrically connected to an external load.(b) is a rotary switch, which acts to rectify the a.c. voltage which is naturally generated in any rotating machine, to provide a d.c. voltage output.


Why armature is static and field is rotating in alternator?

It is a more convenient arrangement because it does not need a commutator. The rotor is fed with DC through slip-rings and the brushes last much longer. The main current is generated in the static winding enclosing the rotor.


What are the parts of simple loop generator?

yoke,magnetic poles,armature,field winding,shaft,armature winding,commutator


Why use surge protecting resistor to generator rotor winding?

To limit the fault current used surge protective resistance in generator rotor winding to protect the rotor winding heavy damage.


Why armature winding resistance is less than field winding resistance?

An 'armature winding' is the rotor winding, and the 'field winding' is the stator winding.


What is the purpose of a commutator in a electric motor?

A commutator applies power to the best location on the rotor, and in a generator, picks off power similarly.


How can convret dc generator to an alternertor?

By connecting a commutator to the rotor of the generator.


What do you understand about the stator of an AC motor?

AC motor has two main winding components - stator and a rotor. Stator winding is stationary where as rotor winding is on rotating part.


What type of current flows in stator and rotor winding of a dc shunt generator?

The field winding in the stator is exposed to the full current generated by the rotor's winding.


What are damper winding?

damper winding help to maintain the magnitude phase shift (on load chages) between rotor an stator flux and kill some parasite currents produced by the leakage flux moving out the rotor winding to the rotor core.


What is field winding?

The field winding on a generator is the winding that is electrified to create an electromagnet; it is generally the winding found on the rotor (the rotating part of the generator).