2.5 kW PM Micro-hydro [RE-wrenches]

[Jeff Clearwater]

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CORRECTION:  You'ld need FOUR  7/8" nozzles to get 450 gpm - not 3 as 
I stated previously.

: )

jc



At 2:58 AM -0800 2/20/06, Jeff Clearwater wrote:
>Hi Carl,
>
>For 65' of head, you'll need a pelton wheel capable of handling 
>about 450 gpm ( 1.0 Ft3/sec).
>
>The Hi-Power (Derik Veenuis) units will work nicely for that 
>application.  The standard offered models include one that will go 
>up to 3600 watts @ 440 Volts wild AC and will work nicely at 2500 
>watts .  You'ld use a 4 nozzle setup and can achieve variable flow 
>by selecting different nozzles via ball valves  - Three 7/8" nozzles 
>would give you 455 gpm at that height.  And it looks like you'ld 
>want 5" or 6" pipe depending on how far a run you have.  Your wheel 
>will spin about 1700 rpm with this configuration.
>
>You can get them at AEE (aeesolar.com) or you can get custom units 
>direct from Derik at the email I gave before.  They come complete 
>with transformer and rectifier.
>
>Or you can take any pelton wheel made by anyone of the right size 
>(4" pelton will work nicely) and fit your own induction brushless 
>alternator on it of the right rpm and voltage/amperage. Then you 
>have to get a transformer and rectifier to match.    You can save 
>quite a bit of money if you are handy this way.  Though the complete 
>package offered by Hi-power does save a good amount of work and 
>hassle. (about US$5000 retail for the whole package) or get a 
>dealership with AEE.
>
>Hope that helps!
>
>Jeff C.
>Village Power Design



>Jeff,
>
>We have a 65 foot fall and plenty of flow.
>
>Need a battery system because the loads greater than 2 kW are required to be
>met during a power failure.
>
>I am expecting to have to import something.
>
>Cheers,
>
>Carl E
>
>
>
>Hi Carl,
>
>If you are looking for a pelton wheel, contact  Derik Veenhuis
><derik at asis.com>
>
>If you are low head (scroll francis turbines), then contact Ron
>Macleod  <microhydro at dplus.net>
>
>Assuming that U.S. contacts help!?  If the grid is available,
>consider doing away with the batteries and feed it right into a
>grid-tie inverter. (rectified and voltage clamped of course)
>
>Hope that helps,
>
>Jeff C.
>Village Power Design
>
>
>>Hullo all,
>>
>>I am looking for a 2 - 2.5 kW PM micro-hydro with a 400V three phase wild
>AC
>>output.
>>
>>This is because we need to reticulate the output about 600M to the battery
>>bank.
>>
>>We are looking at stepping the AC down then rectifying into an MX60.
>>
>>Can someone suggest a possible supplier?
>>
>>Many Thanks,
>>
>>Carl Emerson
>>Auckland N.Z.
>>
>>--
>
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--
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design Associates
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com

530-470-9166
877-SOLARVillage
877-765-2784
425 Nimrod St.
Nevada City, CA 95959
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`~
-- 
~~~~~~~~~~~~~
Jeff Clearwater
Village Power Design Associates
Sustainable Energy & Water Solutions for Home & Village
http://www.villagepower.com
gosolar at villagepower.com

530-470-9166
877-SOLARVillage
877-765-2784
425 Nimrod St.
Nevada City, CA 95959
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~`~

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