Hi Mark,
To get around the seasonal low flow problem, put in two pumps, one small and one large, then one can have three stages of power operations. David ----- Original Message ----- From: "H2MJD" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Thursday, January 20, 2005 10:33 AM Subject: Re: [microhydro] Re: Looking for Turbine > > > Hi Ghanashyam, > > Thanks for your reply. > Can you expand on your statement that Pumps as turbines do have a few > drawbacks that one needs to be aware of? > Besides the fact that they cannot be run at partial flow efficiently what > are some of the other drawbacks. > > Thanks > Mark > ----- Original Message ----- > From: Ranjitkar, Ghanashyam > To: '[email protected]' > Sent: Wednesday, January 19, 2005 2:42 PM > Subject: RE: [microhydro] Re: Looking for Turbine > > > > Hi Mark, > > As far as I am aware Thomson & Howe is the only one that has been > supplying > pump-as-turbine for micro-hydropower application. There are many sites in > Canada with this system that have been in operation for many years. I > have > seen many micro-hydropower systems during my work, I am firm believer in > the > pump-as-turbine for micro-hydropower. However, it does have few drawbacks > one needs to be aware of. Depending on the site it is cost effective and > efficient. > > > Ghanashyam > > > [Non-text portions of this message have been removed] > > > > > > > > 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 > > > > > > > > > ------------------------ Yahoo! Groups Sponsor --------------------~--> What would our lives be like without music, dance, and theater? Donate or volunteer in the arts today at Network for Good! http://us.click.yahoo.com/TzSHvD/SOnJAA/79vVAA/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/
