SPAM: Re: RE: Flywheels for off-grid storage [RE-wrenches]

[Ezra Auerbach, DragonSun Consulting]

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Bob is correct, today's flywheels are not suited for off grid application.
Beacon Power who make the Smart Power M5 inverter are in the flywheel
business and to the best of my knowledge they haven't installed any
inverter/flywheel combos. Beacon is very sucessfully demonstrating the
value of flywheels in utility scale frequency and voltage regulation (large
amounts of power for short periods).

Regards,

Ezra Auerbach

DragonSun Consulting
Lasqueti Island, BC

 

----- Original Message -----
From: Bob Ellison <ellison at gisco.net>
Sent: Sunday, December 11, 2005 4:33:57 AM
To: <RE-wrenches at topica.com>
Subject: RE: Flywheels for off-grid storage [RE-wrenches]

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> Flywheels will not fly in this industry, the only use might be to cover
> the demand for a very short period in other industries, the expense
> makes batteries real cheap.
> 
> Better to learn to like lead acid batteries than spend a few hundred
> thousand on a flywheel storage system, the last time I looked were not
> easily available anyway.
> 
> Bob 
> 
> -----Original Message-----
> From: Chris Anderson [mailto:chris at borregosolar.com] 
> Sent: Friday, December 09, 2005 8:57 PM
> To: RE-wrenches at topica.com
> Subject: Flywheels for off-grid storage [RE-wrenches]
> 
> 
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> 
> 
> Wrenches,
> 
> Does anyone have any experience or information / recommendations for a
> small flywheel that could be used to provide 3-5 days of power in a
> residential off grid situation? I have done just a little bit of
> research and it appears that flywheels are used more prevalently in
> situations involving large power demands in a short period of time.
> 
> I am looking for an alternate to conventional battery storage for off
> grid PV.
> 
> Any help would be greatly appreciated.
>  
>  
> Chris Anderson
> Chief Operations Officer
> Borrego Solar Systems, Inc.
> 727 Allston Way, Suite B
> Berkeley, CA 94710
> Tel - 510-843-1113 x 105
> Fax - 510-843-1116
> Cell - 510-501-7062
>  
> This e-mail message may contain privileged or confidential information.
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