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generator

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triple_access

New Member
i still dont know the difference between an altanator and generator but here is my thought...

A shock that holds a back Glass up on a car. these usualy go bad! theres usualy 2 of them...
a skate board bearing, or hardware store. these fit like factory around the shock on the car once the shaft is removed from the car.

a square Block, maybee metel. with a machined hole threw the center.

now you have a shaft with a block on it, maybee tack the block on the shaft. the block will be for wrapping copper coated wire.

brushes from any moter off of a car or skill saw etc,, can be designed to work for this ac project.

finaly the magnets. I have 2 magnets from a "shack up flashlight" These are the strongest magnets i have ever seen!!! and trust me,, ive seen olot of magnets.

what size wire to use????? how many wraps???? do we need a propeller??? heat ?????

I would enjoy to hear each and every one of your ideals... Please i cant wait!!!!! Thanks:eek:
 

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stevez

Active Member
The definitions I am familiar with:

Alternator produces alternating current initially, even though the alternator includes diodes to provide direct current.

A generator produces direct current.
 

Nigel Goodwin

Super Moderator
Most Helpful Member
stevez said:
The definitions I am familiar with:

Alternator produces alternating current initially, even though the alternator includes diodes to provide direct current.

I would suggest 'may' include diodes?, many alternators are used purely to provide AC.

A generator produces direct current.

Yes, otherwise known as a dynamo, it's actually self rectifying, with the brushes effectively switching the AC to DC.
 

catcat

New Member
My design, dont know if it's an alternator or generator, I have ac ac/dc converter curcuit attached too.
 

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Nigel Goodwin

Super Moderator
Most Helpful Member
catcat said:
My design, dont know if it's an alternator or generator, I have ac ac/dc converter curcuit attached too.

It's a crude alternator - basically (and probably over-simplified?), an alternator spins the magnet, and a dynamo spins the coils.
 

chemelec

Well-Known Member
Nigel Goodwin said:
I would suggest 'may' include diodes?, many alternators are used purely to provide AC.



Yes, otherwise known as a dynamo, it's actually self rectifying, with the brushes effectively switching the AC to DC.

I Believe a Dynamo uses Permant Magnets on the field.

A Generator uses Electro Magnets for the field.

And Neither are Self Rectifying. There Are No Rectifiers.
But they Do Deliver DC from the Armature.

Alternators, Sort of work in reverse, the Electromagnets are in the Armature and the AC Comes from the Field windings.
In Cars, this is Usually in a 3 Phase arrangement and than Diodes to rectify it.
 

Nigel Goodwin

Super Moderator
Most Helpful Member
chemelec said:
And Neither are Self Rectifying. There Are No Rectifiers.
But they Do Deliver DC from the Armature.

I would disagree!, the switching action of the brushes on the commutator form a syncronous rectifier, converting the AC from the armature to DC.

Wikipedia has this to say about it:
Commutators enable motors to run on, and generators to produce, direct current instead of alternating current.
 

catcat

New Member
Nigel Goodwin said:
It's a crude alternator - basically (and probably over-simplified?), an alternator spins the magnet, and a dynamo spins the coils.

My idea is that since theres no brshes, it will serve longer and there's no complex rotor to wind. I would just make an alternator and acdc converter.
 
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