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Author Topic: Solar electricity generation using Stirling engines?  (Read 9284 times)
« Reply #15 on: July 24, 2006, 12:27:57 AM »

By the way, I have created a new forum group to discuss CHP systems, as I think this area is potentially quite important to Renewable Energy.

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« Reply #16 on: April 28, 2007, 06:44:17 PM »

Hi there,

Living as I do in the Highlands, power cuts in winter are not uncommon. I've often mused on the idea of a stirling engine principle-based pump for CH with solid fuel appliances (or , I suppose, any boiler) utilising the temerature differential between the firebox/combustion chamber and the CH return or some other heat sink.

Anyone else ever given it any thought?

« Reply #17 on: April 30, 2007, 02:47:40 PM »

Yes, I have thought about it, and it is definitely a good applicatoin - there are several woodstove-powered stirling engines on the market, but they are only geared up to drive a fan to circulate hot air, rather than generate electricity. The other problem is that stirling engines are not self-starting - which can be annoying.

I am working on a design for a solid-state equivalent - which will produce 12v or 24v and probably around 100watts. Cost is not going to be low, as the technology is very expensive, but it is good enough to provide power for a TV, a few lights, telephones or similar light electrical load.

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