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Community Answer 1

The alternator houses a rotor that is connected to your engine. The engine will spin this rotor depending on how many RPMs youre producing. The alternator also houses a ring that goes around this rotor. Basically, the rotor creates a magnetic fieid as it spins and the ring acts as the catcher and harnesses that energy in the form of AC power. However, your battery uses DC power so before it sends this power out it converts it to DC.

Your alternator should cause about 14V to flow through your battery even when all the electric components in your car are turned on. Anything under 12 might be cause for concern.

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Community Answer 2

The alternator consists of a spinning set of electrical windings called a rotor, a stationary set of windings called a stator, a rectifier assembly, a set of brushes to maintain electrical contact with the rotor, and a pulley. All of these parts except the pulley are contained in an aluminum housing. Today?s alternators use compact, electronic voltage regulators that may be housed inside the alternator or the voltage regulator function may be handled by the vehicle?s powertrain control module (PCM).

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Community Answer 3

The alternator develops electrical power by converting rotational energy into electrical energy through constantly varying magnetic lines of force that intersect wires. The rotor receives excitation voltage from the battery. There are two slip rings supplying the rotor with power. One is typically grounded, and the other is fed from a regulator that varys the pulse width, and thus the voltage, to the rotor. The rotor spins and induces a rotating magnetic field into the stator. The stator is wound in a three phase delta configuration, and generates alternating current, with frequency dependent on speed. The stator is connected to a full wave bridge rectifier (six diodes) that converts the AC into DC. This output is connected to the battery through a heavy cable. Since the rotor and stator have multiple poles, the AC frequency is relatively high. Since the alternator is three phase, the ripple on the DC output is relatively small.

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Community Answer 4

Winding a coil of wire around an iron core can make a magnet. If a magnet is passed near a wire, an induced current will flow in that wire. If many magnets are rapidly passed over a coil of wire, much more induced current will be produced. If many magnets are passed over several coils of wire, even more current will be produced. Although Alternators vary by manufacturer, there are two elements common to all alternators; the stationary stator and the rotating rotor. The stator consists of three sets of individual windings wound around a laminated circular iron stator frame. Each individual winding is made up of seven coils, which in turn are made up of several individual loops all connected in series. Each coil and each loop are connected so as to increase the total voltage output. Each group of windings has only two leads, one for current to flow in, and the other for current to flow out.
a moving magnetic current cuts through wires producing a current in the coil turning rotor driving belt

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โˆ™ 2017-11-28 04:13:21
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Q: How does an alternator work?
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Related Questions

Will alternator still work if the gauge is not?

An alternator does not need a gauge to work. It is used to monitor the output of the alternator.


If a car has a voltage regulator in the alternator does it still work if the cars off?

No, the regulator in the alternator only regulates when the alternator is charging (alternator must be rotating).


Does an alternator work similar to an ac generator?

Alternator and ac generator is equal


Will an alternator work if its bad?

No, if it is bad of course it will not work.


What does the alternator do for your vehicle?

the work of an alternator is to charge up the battery while the vehicle is in motion


What happens when an alternator does not work?

If the alternator has no output then the vehicle's electrical requirements must be supplied by the battery, until dead. In addition, if the alternator quits, the alternator light, located in the instrument cluster, will illuminate


What does the alternator light mean on a 2002 vw passat?

That you'r cars alternator don't work properly ! eithter the "fanbelt" is broken or the alternator coal is bad .


Why does your battery light not work and your alternator not charging on a Nissan 300zx?

sound like you have a bad alternator. it will kill the battery.


What would cause the alternator light to come on and off. On a1989 Buick Park Avenue.?

Something can be taxing the work of the alternator, or the alternator can be weak and needs replaced.


How do you know if alternator fuse is bad?

If the alternator fuse is bad, the alternator is not going to work properly to charge the battery. An alternator runs off the serpentine belt, with graphite brushes inside that conduct electricity to charge the battery.


My alternator broke on a 1998 vauxhall astra now the power steering dont work any ideas?

Check that the alternator and the power steering don't work of the same belt.


Can an alternator from a 1999 Astro van work in a 2004 astro van?

It will work as long as it fits.


How do you replace an alternator on a 1994 Nissan truck?

on yours, you will have to remove the bottom shield and work from the bottom of truck.Remove wires from alternator,remove pivotalbolts and remove alternator and replace and tighten belt back.


How do you convert from a generator to alternator on a 1963 Ford Falcon 170 ci engine?

The easyest way is to go with a 1 wire alternator (self exciting). Find or make brackets that will work, mount the alternator and run 1 wire from the alternator to the battery.


How do you change the alternator on a 99 Deville?

The alternator must be removed and replaced from the bottom, as with raising the vehicle high enough to work from underneath "safely".


Is alternator used once car starts?

The battery "starts" the car...after that the alternator keeps the battery charged. They work together in other words.


Would a bad alternator make the wipers not work on 1995 altima Nissan?

no if your battery light is on and the brake light on then your alternator need to be change


Will a Chevrolet v8 alternator work on a Chevrolet v6?

Yes, if it will bolt up and the pulley is the same it will work.


How does a Neutral grounding resistor work?

it uses for alternator protection purpose; when fault occures in alternator it resists that fault current to gound . srikanth, kaenataka .


How does the alternator work on an older model voltswagon bug?

On an older model Volkswagen you would have a generator in stead of an alternator. The generator would give you DC.


How do you remove alternator on 1994 diamante?

Before removing the alternator and bracket assembly from the engine, loosen the assembly bolt by which the alternator is fixed at the alternator bracket. There is only a small amount of room in which to take out the alternator so you will have to work very carefully with it to prevent damaging nearby components. NOTE: If this is a SOHC engine then remove the alternator through the transaxle side, through the bottom of the intake manifold plenum.


Will an alternator from a 1983 ram charger work on a 1990 Dodge D150?

It should


What happens when the direction of rotation of alternator is reversed?

Nothing. It will work in either direction.


Does a alternator for a 1997 Ford Taurus work on a 1996 mercury sable?

Yes, it does.


How to repair Alternator on 2004 Hyundai XG 350?

Alternator require extensive work to be repaired. On a 2004 Hyundai it is best to replace a broken unit with a new part.