The old Trace/Xantrex SW series was the first that had backselling as a regular feature on board. Nowadays all major european brands like Studer and SMA have solutions for either single or three phase.
Rolf Am Samstag, 20. November 2010 00:58:48 schrieb Max Kennedy: > Could you give details of the system please Geoff. Makes and models of > components, batteries etc and perhaps the costs. I'm sure a lot of people > would be interested. > > Max Kennedy > > > > > ________________________________ > From: Geoff Thomas IMAP <[email protected]> > To: [email protected] > Sent: Thu, November 18, 2010 8:05:46 PM > Subject: Re: [Gasification] Gasification Digest, Vol 53, Issue 1 > > Answering Doug and Greg, on the topic of getting your gasification produced > power on to the grid, I use an Inverter that is a combination of > Stand-alone and Grid connect, - this draws from a battery bank, and when > the bank is full, legally (yes, approved) exports the incoming power to the > grid. - It is a response to customers who want their Solar input to > continue when the Grid is down, and also those who want to use their own > power when the Peak grid power charges are occurring. > This sort of system is also a whole house UPS so delivers very high quality > power to all your appliances without spikes. > Yes, it is more expensive, the Inverters are more expensive than a straight > grid connect inverter, and depending on the size of the battery bank, the > batteries can cost a lot as well. > (Just to pre-empt a discussion on batteries, I use high quality 22 years > design life lead acid Tubulars, 16.4 years life if you cycle 20%/day, they > are not expensive and the manufacturer will take back any old batteries and > re-cycle them, - lead acid battery technology has come a long way the last > few decades). The point of this system is you can use it for any input at > all, your electrical output from your gasifier only needs to be put into > the battery bank, - ideal for batch gasifiers, and other intermittent > renewables such as Wind or Solar, raining time only Hydro, (run of the > river, er um gutter:-) and the Inverter can also charge up the batteries > from a petrol, diesel or gasifier genset or even use the grid power at off > peak times. > This is like putting an incredibly flexible gear-box between your power > usage and your generation system. > Obviously, for a gasifier it takes all the worry out of meeting specific > demand criteria, changing generator speeds and the like, all you need is a > maximum power tracking type of rectifier, several now widely available, and > you are ready to roll. > Hope that helps, > Geoff Thomas. > Australia. > > _______________________________________________ > The Gasification list has moved to > [email protected] - please update your email contacts to > reflect the change. Please visit http://info.bioenergylists.org for more > news on the list move. Thank you, > Gasification Administrator _______________________________________________ The Gasification list has moved to [email protected] - please update your email contacts to reflect the change. Please visit http://info.bioenergylists.org for more news on the list move. Thank you, Gasification Administrator
