I currently have a small (1.2 KW) PV solar array, and I am wanting to add a homebrew microhydroelectric installation on my property. For a test, I laid about...
Perhaps a smoother screen mounted at ~5 to 10 degrees to the flow so that the water goes through sideways into a collector box while the flow rushing past...
RE.. ... Bob, I read, was it here?, that for small applications you can put a perforated inlet pipe in a slightly dug out streambed and cover it with crushed...
Beeuwkes
beeuwkes@...
Aug 3, 2004 5:08 pm
4978
BOB: The setting of a pipe to reduce the sucking of debris into the pipe calls for setting the pipe well below the water level and the dispersion of the water...
Nando
nando37@...
Aug 3, 2004 5:09 pm
4979
Bob Please visit my web site _www.hydroscreen.com_ (http://www.hydroscreen.com) On the site I have a number of pictures of diversions for Hydro utilizing ...
rkweir@...
Aug 3, 2004 5:09 pm
4980
... to ... with ... have ... give a ... If ... any ... the ... large ... plug ... strong ... on ... moving ... be ... to ... Bob, This is why they use a...
I'd use a tapered approach (1:20 or so) between your pipe and a "trash rack" to reduce the velocity of the water through the rack. I say a "trash rack" for two...
Dear all, I'd like to know about the cheap method to trip the current at required value...elaborating little bit detail,a community based micro hydro power...
Hi all, For those of you that wish to look much deeper into development and impact of micro-hydropower beyond just the technical issues, book by Dr. Amreeta ...
Ranjitkar, Ghanashyam
granjitk@...
Aug 7, 2004 12:50 pm
4985
Manoj: Power control with such precision may require a small circuit to measure the voltage and the current to trip a TRIAC or a Relay to open for a few ...
Nando
nando37@...
Aug 7, 2004 7:59 pm
4986
A fuse will suffice. If you install the correct size (I would recommend a slow blowing type) at each location, and lock the box so they can't replace it ...
DAN: That is a no-no and no-no. The reason is that the fuses will be blowing in a continuous basis and in Nepal those are expensive and hard to get, also, the...
Nando
nando37@...
Aug 8, 2004 5:07 pm
4988
Hallo Manoj if you use 230V so you can use a fuse with 0.5A for each household. There is now cheap method for AC system to limit the power. BR Martin ... <tt> ...
The microhydro discussion forum welcomes its 1000th member! On the Internet several energy related discussion groups exist, ranging from homepower, stoves,...
Fuses have been rejected as power limiters in many hydro projects in Asia -- as required by Manoj. Fuses are used for short protection only. He is probably...
Nando
nando37@...
Aug 8, 2004 5:39 pm
4991
Dear Manoj Pokhrel, This problem of controlling consumer loads has come up many times over the years since we supplied the first ELC to Nepal in 1982. Various ...
Evans Engineering
re@...
Aug 8, 2004 6:21 pm
4992
Rupert: Right on target you are. I was going to suggest the same thing to him, I was looking for the info about some thermal strips switches with current...
Nando
nando37@...
Aug 9, 2004 6:57 am
4993
... I suggest you contact Sustainable Control Systems. "Nigel Smith" <Nsmithscs@...> specialises in power limiting devices for this type of situation. --...
As most thermal trip ratings are in amps it would be useful to know what volts and therefore currents are involved. Craig [Non-text portions of this message...
... Do you expect each household to consume its maximum of 100 watts at all times? How about splitting it up into 18 loads of 1kw with 10 households per load...
Has anyone considered the line losses in this system? You are not going to get 100 watts to every home. Won't it be more like 90 to 95 watts? Dan Holmes...
I am buying a 22 acre parcel in northern Ca, unfortunately the nearest electricity is over a mile away. I am looking to get my family out of the hustle and ...
Manoj, There are several effective ways to manage this type of load management and has been field tested and are in being utilised in Nepal. There is a ...
Ranjitkar, Ghanashyam
granjitk@...
Aug 10, 2004 6:45 am
4999
Look like the best bet to regulate it to install a themo circuit in the line. This will open if to much power ie... current is consume. Try a themo-resistor. ...
Limited power usage is a common problem that surfaces periodically when a new system is installed with limited power capabilities. One protector per 10 housel...
Nando
nando37@...
Aug 10, 2004 6:47 am
5001
Danny ... am adding ... at it you ... The creek looks promising. Rather than me spend ages here typing, check out my site www.geocities.com/allenderd. The...
Hi Danny, It looks like there is plenty of water, and the terrain looks steep enough. How much distance along the stream do you have access to? It is much...
Hello Danny, I'm in N.CA. also. Be happy to help in anyway I can. The pic of the waterfall looks good to me. Need to do a site survey to size a system for your...
Having problems with message search?
Fill out this form to ensure your group is one of the first to be migrated to the new message search system.
