Design & Build Instructions for a Turbine & 3 Phase Alternator

AI Thread Summary
The discussion focuses on designing a 3-phase alternator capable of producing 20kW at high RPMs (10,000-15,000). Participants emphasize the need for clarity on the turbine's driving mechanism and application. There is a debate on whether to build the alternator from scratch or adapt existing hardware, with suggestions that used 3-phase industrial motors can be repurposed as generators. The conversation also touches on the specifics of alternator design, including the arrangement of magnets and wiring. Ultimately, the preference leans towards building from scratch for a deeper understanding, despite concerns about cost-effectiveness.
Qaiphyx
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3 phase alternator.

any good links to*** is what I meant in the title
 
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That's a pretty vague question. Could you be more precise?
 
Hmm, Not to sure on how to be precise about this? What more information would you guys like? let's go with low cost that puts out 20kW runnin at around 10000 - 15000 rpms or would there be a better type of alternator for this high of rpms?
 
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Turbine being driven by what? What application?
 
brewnog said:
Turbine being driven by what? What application?


EDIT: whoops read that wrong... lol

Does it matter for the alternator?
 
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Qaiphyx said:
EDIT: whoops read that wrong... lol

Does it matter for the alternator?

I just need an alternator design, which I assume 3 phase would work best, and rough estimated size for 20kW output. Isnt it just 3 magnets rotating along three other things producing a sine current?

I just don't know the specifics of it, like what the magnets rotate along and how to wire it all up. Or how to find out how much horsepower I would need from the turbine to turn it.
 
Is this device something you must create from scratch or can you adapt existing hardware?
If you are willing to use existing hardware, used 3ph industrial motors are cheap. You can load them and use them as generators.
 
montoyas7940 said:
Is this device something you must create from scratch or can you adapt existing hardware?
If you are willing to use existing hardware, used 3ph industrial motors are cheap. You can load them and use them as generators.

I can use existing hardware, I would prefer to build from scratch though as I like to know the in an outs of everything. Plus would it not be more inexpensive to build it myself?
 
Qaiphyx said:
would it not be more inexpensive to build it myself?
I wouldn't think so.
 
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The application would be to power whatever runs on electricity. Would 1 phase be best for this or 3 phase??
 
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