Charles & Nando, I am curious as to what you would expect a 5KW system to cost for the turbine and generator? -Walter ... Sincerely, Walter Jeffries ...
150 PSI = 346 feet head = 105 meter head 1 gallon/sec = 3.78 liter/sec GROSS Power available = 105 * 3.78 * 8.91 = 4 KW then one needs to consider the...
Nando
nando37@...
Jul 1, 2006 9:21 am
7237
Walter: Once again, expect to cost is one thing, expect to spend is another. One thing is the Turbine, Generator and controller, another thing is the penstock,...
Nando
nando37@...
Jul 1, 2006 7:04 pm
7238
Nando, You sound like you got the idea of what I need. I just need a hose going to the turbine and from the turbine the water exit through a hose. The ...
In the DIY section of our web site www.ecoinnovation.co.nz <http://www.ecoinnovation.co.nz/> you will find some kits and parts that you can make a low cost...
I have about 600 - 800 - GPM @ a 45 - 50 foot head for 6 months and about 25 - 30 GPM @ a 50 foot head the rest of the year as it is ditch water summer and ...
chuck3316@...
Jul 1, 2006 10:18 pm
7241
600 gallon/minute = 10 gallon/sec= 37.8 liter/sec 45 foot = 13.7 meter Gross power = 37.8 * 13.7 * 9.81 = 5.08 KW for 6 months Total efficiency around 0.6...
Nando
nando37@...
Jul 2, 2006 8:51 am
7242
... Nando, perhaps what you meant to say was "What are the head, penstock length and flow on your system?" Assuming that was the case: head: 160' flow: 50gpm ...
Hello, I am a final year engineering student from the US who is currently on a placement with an engineering graduate from the UK. We are working with ...
I have a 2 foot diameter breastshot wheel with about 0.7 meter head. Unloaded, it turns about 53 rpm. I'm in the process of adding a generator. Frank _____ ...
For small wheels like this it will probably run at about 25-30 rpm when loaded. A Smart Drive if you directly couple it, no gearing, will do about 20 Watts at...
Hi, Currently i'm trying to use an aquarium pump (powerhead) as a turbine. What I did is just using its motor to run as generator but the turbine is homemade....
I'd suggest you start with a voltmeter to measure the output potential you generate. Michael McNamara mcnamara@... 408-914-6808 work 408-348-7025 cell ...
With 2 meter head to produce 100 watts you need about 10 liter/sec A small propeller Turbine may be the best solution attaching a Permanent Magnet Alternator. ...
Nando
nando37@...
Jul 5, 2006 10:30 pm
7249
Most those motors will not work as generators, they have a Shunt. You have to have an induction motor, then you need to setup a magnetic filed for the motor,...
Nando
nando37@...
Jul 5, 2006 10:37 pm
7250
Nando: Whats a Shunt and why having it making the motor impossible to work as generator?...
... Hi Matt, I did some work for ITDG in Sri Lanka a few years back developing a small wind turbine. The alternator we used could easily be converted to hydro...
Hi again, Well since using an aquarium pump as a turbine seems impossible to be made so right now im thinking of switching into using a bicycle dynamo as my...
Why don't you tell us what you want to do, exactly, to assist you better Nando ... From: "ahmad_26" <ahmad_26@...> To: <microhydro@yahoogroups.com> Sent:...
Nando
nando37@...
Jul 6, 2006 5:49 pm
7254
Hello The plans of the BYS T3 turbine have been sent to the group. I'm searching for BYS T12 turbine plans. Best regards Paul...
Hi; I'm currently trying to tune my first hydropower project. I've rigged a waterbaby pelton wheel to a 3/4 h.p cpacitor start induction motor. I have 58 P.S.I...
I'm sure you're going to get a flood of replies telling you that using single- phase cap-start motors is a very inefficient solution. I have to add my voice to...
What is your name ?. What is a waterbaby Pelton ?. I calculated the power, did you, ?. what is it ?. You are not supplying the proper information to be able...
Nando
nando37@...
Jul 7, 2006 5:36 pm
7258
Hi, We had a water wheel running on a capacitor excited induction motor for 8 years. It worked well but not as well as the Samrt Drive PMG we replaced it with...
Michael.......what exactly is a "smart drive"? ... From: Michael Lawley To: microhydro@yahoogroups.com Sent: Friday, July 07, 2006 5:36 PM Subject: RE:...
Mark: Michael may take some time to respond, he is located in New Zeeland. Cloth Washing machines made in New Zealand have a motor that does not have any...
Nando
nando37@...
Jul 8, 2006 5:30 pm
7261
Hi everyone thanks kindly for all your responses. I realise the motor is not the best choice but this project was about generating a modest amount of power for...
Hi All, OK . "what is a Smart Drive?" In a nut shell a Smart Drive is a large PM 3 phase motor/generator. It was designed about 15 years ago by F&P in NZ and...
Hi Nando: I was alble to hike into the location and was able to experiment with some of what you have suggested. I was unable to get the generator to self...
Michael, In continental Europe there is another brand called "LG", i think a korean compagny, who claims they invented the direct drive washing machine. ...