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Messages 10303 - 10332 of 11808   Oldest  |  < Older  |  Newer >  |  Newest
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10303
Gerard The siphon height is limited by atmospheric pressure (it is the weight of the atmosphere which will push the water into the vacuum created by the water...
Martin.Leahy
millstreamhydro
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Oct 1, 2008
8:30 pm
10304
From what I remember from my physics classes many years back.....a siphon can maximum work up the height of 9.8m....so I think your 85m will be impossible to...
bjornolaf
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Oct 1, 2008
8:31 pm
10305
The water in a siphon is supported by atmospheric pressure. This means you can never siphon water up a vertical distance of more than 10m - in theory. And, in...
ian benson
iandesignandbuild@...
Send Email
Oct 1, 2008
8:38 pm
10306
Dear Members, Thank you for all your help, the information provided has been conclusive. Martin Leahy was looking for some further information regarding the...
Gerard Brendan Fitzge...
brendyfitzy
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Oct 3, 2008
4:17 pm
10307
Hello everyone, I'm quite new in this group, but I've read really interesting discussions about micro-hydro and I thought you could have an opinion/advice on...
dam.puig
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Oct 3, 2008
4:17 pm
10308
Damien: The solution can be simple if the hydro generator is an Induction Motor as generator . The solution is to start the Diesel Generator and have a...
Nando
nando37@...
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Oct 4, 2008
1:28 pm
10309
Dear Wouter Drinkwaard, Yes, as I don't know specific history cases in detail, my friends and members of HIDRORED, most probably can give you advice and...
Carlos Bonifetti D.
cebondiet
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Oct 4, 2008
1:28 pm
10310
Hello Dam, I guess you have to use a shunt brushless self-excited synchronous generator for the hydro unit, with built in AVR. Yes, starting the Diesel genset...
Radu Babau - VARSPEED...
radu_babau
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Oct 6, 2008
6:58 pm
10311
Thank you Nando for your quick answer! The hydro generator will be an Induction generator with a bank of capacitors. As the power is quite low (<20kW), power...
dam.puig
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Oct 6, 2008
6:58 pm
10312
DAMIEN: Do not worry about the questions, worry about the best procedure to "marriage" both systems. ELC = IGC they are the same. Since you have an Induction...
Nando
nando37@...
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Oct 7, 2008
12:26 pm
10313
All, Anyboby know where I can get a few Permanent magnet generators between 100 and 1000 W. The price we were quoted for 1000W was €2000! Ginsonic seem to...
Martin.Leahy
millstreamhydro
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Oct 7, 2008
3:18 pm
10314
Try a Smartdrive from Michael Lawley at Ecoinnovations: enquiry@... Cheap and from personal experience, a great gennie. Jeffe ... [Non-text...
Jeffe Aronson
jeffe.aronson
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Oct 8, 2008
6:16 am
10315
Regarding Permanent Magnet generators, I am also curious about the Baldor line of d.c. motors, would these be suitable as generators as well? They certainly...
Don Jackson
homesteadpower
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Oct 8, 2008
6:16 am
10316
I have been trying to find information on how to setup a system to generate electricity that I can then use to feed back into my on-grid meter in order to...
Richard Burk
microhydropower.com@...
Send Email
Oct 8, 2008
6:17 am
10317
navitron in the UK sell PMGs for wind turbines and water turbines. also flebay? ... From: Martin.Leahy To: microhydro@yahoogroups.com Sent: Tuesday, October...
Guy Dewdney
guydewdney
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Oct 8, 2008
6:17 am
10318
ok i have a few large greenhouses. The plan is to get a large above ground pool burry it halfway and get a pump to pump the fish water into the house to feed...
skydemon1976
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Oct 8, 2008
6:18 am
10319
  Dear Mr Martin, We are manufacturers of Permanant magnet alternators with inverters to give the required out put voltage even if the speed varies up to...
balakrishnan
rupabalakris...
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Oct 8, 2008
6:18 am
10320
I am very interested on this matter, if anyone have more information in this concern, or somebody can recommend the source It will be welcome, because...
lamyser
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Oct 8, 2008
6:23 am
10321
Don Just for the record, those DC voltages are derived from rectified/unfiltered 120 and 240VAC. These motors are designed to run from legacy SCR controllers....
Rob Linschoten
rob_linschoten
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Oct 8, 2008
7:30 am
10322
We have a lot of experience in using Baldor DC motors as generators for micro-hydro applications. A comprehencisve guide to the design and operational issues...
Max Enfield
max@...
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Oct 8, 2008
3:19 pm
10323
HI Martin. I can also reccommend ecoinnovations' smartdrive units. I've had one running in Leitrim for the last 4 years. Great unit, never gives any trouble....
rob doyle
rob_skin2003
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Oct 8, 2008
3:19 pm
10324
Richard: The information you supply, indicates that the power is minimal. You need to determine the water volume, in GPM ( gallon per minute ) or liter/sec ,...
Nando
nando37@...
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Oct 8, 2008
3:19 pm
10325
What is your name ?. Kind of fast ?? No, kind of "can you explain in detail what you want to do " ? STEP-by- STEP !! Nando ... From: skydemon1976 To:...
Nando
nando37@...
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Oct 8, 2008
3:19 pm
10326
So you want a pump to be powered by a small water wheel, which is being fed by the same pump - oh - and extract more energy for a fan as well. Excellent - you...
Guy Dewdney
guydewdney
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Oct 8, 2008
3:55 pm
10327
Thanks to all who have replied. We don't want to use a permanent magnet motor (although much more available and cheaper) as a generator because this requires...
Martin.Leahy
millstreamhydro
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Oct 9, 2008
2:26 pm
10328
I think your formula is mis-typed ... GPM * head (in feet) DIVIDED by 6.912 = Watts * .6 = output at 60%.  ... From: Nando <nando37@...> To:...
Bill Sepmeier
hydro.power
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Oct 9, 2008
2:49 pm
10329
I have a one horsepower Baldor permanent magnet d.c. motor used as a generator in a micro hydro, in service for 9 years. They seem very robust( still original...
Jim Cataldo
hydro178r
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Oct 9, 2008
2:49 pm
10330
its not like i was saying i wanted to power my home lol. anyways where can i learn more about this stuff where it makes sense? sorry i new and i just had an...
A.D. Raymundo
skydemon1976
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Oct 9, 2008
2:49 pm
10331
Hi Have a look at the http://www.ecoinnovation.co.nz/ website – Michael makes some very good generators Cheers Peter _____ From: microhydro@yahoogroups.com...
Peter
arrow28r
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Oct 9, 2008
2:50 pm
10332
Martin: You need to explain what your plans are to be able to suggest the proper idea, may be what you think is not the best path or may need a re-thinking to...
Nando
nando37@...
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Oct 9, 2008
2:56 pm
Messages 10303 - 10332 of 11808   Oldest  |  < Older  |  Newer >  |  Newest
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