Alex, both options are feasible. We have to check which one is best. We can discuss them. If you want, send me an email to be in contact.
[email protected] Arturo Ávalos 2012/7/26 Alexander Eaton <[email protected]> > Group: > > Very close to successfully running milking and refrigeration equipment > with a biogas powered electrical generator...but yet so far away. We have > converted a variety of gasoline engines to biogas without issue, the latest > being a 8.5 kW Evans that is givings us about 5-6 kW (approximately 24 amps > @ 240 volts). The running demand of the entire milking system is about 3.5 > kW, but the starting peak of the motors are 5 times the normal running > demand. > > Problem: The start-up peak on the motors of the milking equipment exceed > our (feasible) generation capacity, as the jump to 3-5 times the running > power demand. We can get the main suction pump (3 HP) to run and start, > but the tiny (0.5 HP) pump the pulls the milk to the refrigeration unit > shuts us down every time on start-up. That pump only is on for very short > times, but is very necessary for the system (we have considered how to > eliminate with no luck). > > Two options: > > 1. Some sort of capacitor, battery or X device that would allow us to > "smooth" out the demand spike of the motors as they start. > 2. A good way to connect this small generator to the electrical grid so > that the grid does the "smoothing", maybe not even at the same time. For > this option, please focus on the technical, not the bureaucratic issues > surrounding grid connection. > > Thoughts? What are we not considering? Options that include product > suggestions welcome. Our potential to provide a cost effective biogas use > for small and medium dairies has a lot of potential, but has been a slow > starter! > > Best, > > Alex > > -- > Alexander Eaton > Sistema Biobolsa > IRRI-Mexico > RedBioLAC > > Mex cel: (55) 11522786 > US cel: 970 275 4505 > > [email protected] > [email protected] > > sistemabiobolsa.com > www.irrimexico.org > www.redbiolac.org > > > _______________________________________________ > Digestion mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org > > for more information about digestion, see > Beginner's Guide to Biogas > http://www.adelaide.edu.au/biogas/ > and the Biogas Wiki http://biogas.wikispaces.com/ > > > -- Arturo
_______________________________________________ Digestion mailing list to Send a Message to the list, use the email address [email protected] to UNSUBSCRIBE or Change your List Settings use the web page http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org for more information about digestion, see Beginner's Guide to Biogas http://www.adelaide.edu.au/biogas/ and the Biogas Wiki http://biogas.wikispaces.com/
