In a message dated 5/4/2005 7:23:17 PM GMT Daylight Time, [email protected] writes:
> .......in reality you'd be "pumping" AC directly into the grid with your > windy boy approach......it was understood that you'd have the utility > required > over/undervoltage and over/under freq relays in place when using the direct > induction motor approach. Can someone tell me how you can provide this 'utility required' protection with a directly connected induction motor. My understanding is that power will flow into or out of the grid in a seemless manner depending only on the speed of the motor/generator shaft and the torque applied. Am I right ?? Perran Newman [Non-text portions of this message have been removed] ------------------------ Yahoo! Groups Sponsor --------------------~--> In low income neighborhoods, 84% do not own computers. At Network for Good, help bridge the Digital Divide! http://us.click.yahoo.com/EA3HyD/3MnJAA/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/
