Dear Shabab, Have you considered using DC - transmission system. With such a small power the simple AC/DC and furthermore DC/AC converters are relatively...
Mika: First: DC or AC the wire losses are the same, for this small system, Second: the conversion to AC becomes too expensive for small systems Third: Initial...
nando
nando37@...
May 1, 2008 6:07 pm
9670
Shabab: Joe, many times, can not respond immediately because he may be traveling. Spear control implies that the system is quite stable load wise and you will...
nando
nando37@...
May 1, 2008 6:08 pm
9671
Hi Manfred, thanks for the description. This is a major undertaking. Could you provide me with a Google Earth location (*.kmz) for you and your turbine? I will...
Hi everyone I know this is a tad off topic but could you please help with this induction motor i want to turn into a generator. So my names Jake Martin from...
Dear all, well, yesterday I set up the dam, started filling my forebay, cleaned the dirt, autumn leaves and construction debris out of it, using the flushing...
Hi Jake, There is a file named cim.pdf in the files area of this group that addresses your question. Also, see the book by Nigel Smith on using induction...
Thanks, Manfred. I wish I were there right now in Chile to be of any help I could in looking for leaks, stringing wire, etc. Good luck with the test and all...
Dear all, I have serious plumbing problems with my installation, and need some advice. The problem is this: I have a fair number of 4 inch threads which I need...
Manfred, Is it possible to get PVC T's in place of those collars? I know they would cost an arm and a leg in that size but it might save you a lot pain in the...
The best I can think of in your situation would first be to use denatured alcohol to clean everything up. It should get rid of all the goop. Let it soak in a...
Manfred, I would suggest liberal use of silicone rubber, probably the moisture curing type. It is sold for automotive gasket applications, like for water...
Manfred I regularly use a product called sika-flex or pura-flex. It is used to stick windscreens to cars. It has amazing sticking qualities has a stiff rubber...
There is probably a lot that people here in Bolivia could learn from the Chinese experiences with modern microhydro. Do any of the site members know of...
Hi Manfred, Here in Guatemala we had to deal with a similar problem with poor quality threads on 3" and 4" piping with 57 meters of head behind it. We...
dear sir, thank you for your suggesstions. i want to know if the unit is of 5 kw then do we have 6kva transforner available in the market of the ratio {1:10)...
Noel is Right! Go with the windsheild urethane,there is a one part urethane or the 2 parts kit(will take less time to set)This stuff is incredible , it`s like...
Manfred, Can you cut down the nipples to get the best diameter over the 3 or 4 turns you need. I recommend the sack treatment (we can still get hemp fibre for...
ian benson
iandesignandbuild@...
May 6, 2008 1:13 pm
9688
The problem that Manfred suffers ( leaks and more leaks) has to be examined to determine the reasons and the why's for such occurrence. The couplers may be...
Nando
nando37@...
May 7, 2008 6:12 am
9689
SHABAB: The transformer capacity and voltage ratio needs to be found by you in the area where you are. Search with the electric company that supplies power...
Nando
nando37@...
May 7, 2008 6:12 am
9690
Manfred, Would it be practical (or even possible) to buy new parts here in America and ship them to you? We do not have BSPT here. Could you use American...
Joel, ... Exactly, that's the problem! A single one of those T's is more expensive than my generator! ... Exactly, once again! I torqued the bolts until the...
While I haven't dealt with this particular low-quality problem, I have long ago come to the conclusion that it's often cheaper to scrap the low quality product...
May you please assist me with the criteria for turbine selection?I am doing a research project in selection of hydraulic turbines. [Non-text portions of this...
Tapera Mangezi
mangezit@...
May 8, 2008 7:04 am
9694
Manfred, It looks like you've got lots of ideas to work with now. Probably one of them will work, at least for the thread part of the problem. The rubber...
How many 10 meter waterpower sites with 15 liters per second would there be relative to 20 meter sites with 15 liters per second in the same watershed? And 20...
If you have any tree farms or landscape nursery places near you, they often bundle tree roots and small shrubs with burlap. I am sure they will have some free...
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