Ghanashyam:
I was assuming using a single phase, not 2 or 3 phases, also the motor is tied to the grid - single phase. Nando ----- Original Message ----- From: "Ranjitkar, Ghanashyam" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Tuesday, April 12, 2005 9:42 AM Subject: RE: [microhydro] 3 phase motor as generator for net metering and then some > > > Hi, > > With 25hp or 18.65kW motor, it should be possible to generate at least 15kW > of power in generator mode. 11kW seem very cautious. > > > Ghanashyam > > -----Original Message----- > From: Nando [mailto:[EMAIL PROTECTED] > Sent: Monday, April 11, 2005 5:41 PM > To: [email protected] > Subject: Re: [microhydro] 3 phase motor as generator for net metering and > then some > > > > Dave: > > The method described by you is an standard method used to run 3 phase motors > with single phase, the capacitor is used to generate the quasi-3 phase for > motor biasing, therefore if used as a Grid Tied Generator the capacitor will > supply the magnetic field for power generation. > > The KW that can be generated by this motor would be the motor rating divided > by 1.73, so if you have a motor that is 25 HP= 18.65 KW, as a single phase > Grid tied generator, the available power would be 11 KW. > > Regards > > Nando > > ----- Original Message ----- > From: "Dave Blaze" <[EMAIL PROTECTED]> > To: <[email protected]> > Sent: Sunday, April 10, 2005 8:37 AM > Subject: [microhydro] 3 phase motor as generator for net metering and then > some > > > > > > > > > > Some years ago I met a fellow in Vermont who was generating power > > and net metering (I think the power company knew about it) He was > > using a 3 phase motor which had 2 legs tied to the grid and the > > third leg had some excitation / power factor capacitors on it. He > > also was using a buck boost transformer on the third leg to control > > the voltage output and the power factor (so he claimed) I have > > original drawings showing all this that he submitted to Western Mass > > Electric many years ago. His name is Ray Miller and his company was > > called Harrisville Mill Service. He is mentioned in the book by > > George Butler and when I visited George before he died, he suggested > > I go visit Ray since he was only a few miles away. What a day that > > was! > > > > Anyone out there know about Ray or any of his installations, or the > > use of a three phase motor to generate power for net metering on a > > single phase system? > > > > While I have your attention, I am looking for small home built > > hydroelectric installations in New England to go look at and > > photograph. I have found a half dozen or so but I'm sure there are > > more. > > > > Thanks > > > > Dave > > > > > > > > > > > > > > > > > > > > Does your company feature in the microhydro business directory at > http://microhydropower.net/directory <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 > <http://microhydropower.net> > > > > To unsubscribe: send empty message to > [EMAIL PROTECTED] > > Yahoo! Groups Links > > > > > > > > > > > > > > > > > > > > > Does your company feature in the microhydro business directory at > http://microhydropower.net/directory <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 > <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/ > <http://groups.yahoo.com/group/microhydro/> > > > * To unsubscribe from this group, send an email to: > [EMAIL PROTECTED] > <mailto:[EMAIL PROTECTED]> > > > * Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service > <http://docs.yahoo.com/info/terms/> . > > > > > [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/
