Hi, I think it is unlikely you will find a cheap centrifugal pump that can we used successfully without major changes. If it were true we'd all be doing it.
With 8 L/s and 15m head you should be able to generate about 600 Watts. This will depend upon your pipe line length and diameter. It will need to be a reasonable size to flow 8 L/s and therefore will cost. If you supply the length I can advise suitable pipe size. As for a turbine we sell a kit set Pelton turbine from $500 NZ (about $250 Euro plus freight) We can sort out a generator to directly connect an electric bar heater or water element (we need some information on this or can supply it). 600 watts should keep the place from freezing. When you are there and have a fire going the 600 Watts should be enough to meet the electrical load of your house (non heating) with a battery bank and inverter. Regards Michael Lawley EcoInnovation www.ecoinn.co.nz ----- Original Message ----- From: stefcousin To: [EMAIL PROTECTED] Sent: Friday, June 11, 2004 8:13 AM Subject: [microhydro] How to make a small hydro system with pump in reverse Please excuse my english, it's not my native language. Thank you As a lot of people in Europa and America, my home is heated with wood, but on the property is a little river. So i'd like to produce electricity for heating the house, especially when it's empty. Just for heating, so I do not need quality about frequency or voltage. I just want to have about 1/2 ti 1 1/2 horse power for heating and permit that house don't freeze when empty. So, I don't want to spend a lot. I've read about pumps used as turbins. A classical garden pump (centrifuge) made in China is about 50 to 80 euros. This system is not so efficient that a classical turbin, but so cheap !!! My problem is : - If I buy such a garden pump, does-it work ? Do I have to be careful of anything ? - I never saw such "pump power system"; have on this forum people who have any experience of it ? I have a little river (from 10 to 50 liters per second in winter) ; the head is about 15 meters. So the theorical power is 2 to 10 horse power... but I need only 1 or two. Thank you very much for your help. [EMAIL PROTECTED] Does your company feature in the microhydro business directory at http://microhydropower.net/directory ? If not, please register free of charge and be exposed to the microhydro community world wide! NOTE: The advertisements in this email are added by Yahoogroups who provides us with free email group services. The microhydro-group does not endorse products or support the advertisements in any way. More information on micro hydropower at http://microhydropower.net To unsubscribe: send empty message to [EMAIL PROTECTED] Yahoo! Groups Sponsor ADVERTISEMENT ------------------------------------------------------------------------------ Yahoo! Groups Links a.. To visit your group on the web, go to: http://groups.yahoo.com/group/microhydro/ b.. To unsubscribe from this group, send an email to: [EMAIL PROTECTED] c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service. [Non-text portions of this message have been removed] ------------------------ Yahoo! Groups Sponsor --------------------~--> Yahoo! Domains - Claim yours for only $14.70 http://us.click.yahoo.com/Z1wmxD/DREIAA/yQLSAA/FGYolB/TM --------------------------------------------------------------------~-> Does your company feature in the microhydro business directory at http://microhydropower.net/directory ? If not, please register free of charge and be exposed to the microhydro community world wide! NOTE: The advertisements in this email are added by Yahoogroups who provides us with free email group services. The microhydro-group does not endorse products or support the advertisements in any way. More information on micro hydropower at http://microhydropower.net To unsubscribe: send empty message to [EMAIL PROTECTED] Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/microhydro/ <*> To unsubscribe from this group, send an email to: [EMAIL PROTECTED] <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
