Evening, list; Coming into this conversation a bit late in the day, but there's a company in Fox River Grove Illinois called AP ELECTRIC with a website located at http://www.apelectric.com/. They will help you spec a generator of any size and kind and then ship it to you anywhere in the US - with the cost of the shipping generally being borne by them.
They are a huge company and the website reflects their diversity. If you can't find the Generator link, it's at: http://www.apelectricshop.com/s-18-generators.aspx You can also give them a call at 877-516-8882. After the last round of hurricanes in Florida, and along the gulf coast, I worked with my brother's contracting company as the liaison here in Chicago, pairing generators with his customers - whether permanent with auto-transfer switches or portable and they took very good care of us - shipping directly to the job sites. Incidently, most of what were installed in hurricane alley were propane fueled. Check out their website and see what they have to offer, or give them a call. They gave us really exceptional service, shipping large units all the way to the Florida Keys - their expense, with all the required transfer switches and cables, within a couple of days of the order. Highly recommend them, Bruce Barnes ChicagoNetTech Inc -----Original Message----- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Dave Doherty Sent: Friday, July 28, 2006 20:32 To: [email protected] Subject: Re: [IMail Forum] OT: Portable Generator for server room Hi John- It's not a question of raw capacity. It is voltage regulation that is the most important point here. The problem is that the generator has to be big enough that it doesn't even know the load is there. I tried this a few years ago when I knew there was going to be an outage due to planned maintenance. The plant used about 3.6kW and got a 7.5kW generator. When the generator got up to nominal voltage and the UPSs transferred the load, the generator slowed down due to the load and the UPSs kicked back in, releasing the load. That allowed the generator to speed up. This created a really weird situation where everything was switching back and forth every second or so. I let it run for a little while in the hopes that the system would eventually get to an equilibrium point. It didn't. The small gas-powered gensets use minimal flywheels and "quick" mechanical servos to keep the weight down, but they are just too lightweight for decent regulation. The momentum/inertia of the motor and generator, combined with the mechanical servo, could not hope to keep pace with the instant load switching capabilities of the UPSs. I came away from that experience with a healthy respect for the REALLY heavy flywheels that come with big diesel gensets. These dampen the genset's response to sudden load switching. -d ----- Original Message ----- From: "John T (Lists)" <[EMAIL PROTECTED]> To: <[email protected]> Sent: Friday, July 28, 2006 5:19 PM Subject: RE: [IMail Forum] OT: Portable Generator for server room Usage of this room is only 2.5 KW. John T eServices For You "Seek, and ye shall find!" > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:Imail_Forum- > [EMAIL PROTECTED] On Behalf Of GlobalWeb.net Webmaster > Sent: Friday, July 28, 2006 2:10 PM > To: [email protected] > Subject: RE: [IMail Forum] OT: Portable Generator for server room > > We rent a 50KW or 75KW generator from the local Equipment shop down the > street - we have approx 4 hours of battery life for our 5 racks of servers; > this is plenty of time for them to drop one off to us - day or night. > > We have gone with a 20KW before, but we place a big strain on a unit that > size. > > > Sincerely, > > Randy Armbrecht > Global Web Solutions, Inc. > 804-346-5300 x112 > 877-800-GLOBAL (4562) x112 > http://globalweb.net > > > > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] On Behalf Of John T (Lists) > Sent: Friday, July 28, 2006 4:55 PM > To: [email protected] > Subject: [IMail Forum] OT: Portable Generator for server room > > Has any one used a portable generator for a small server room to power the > server UPS batteries during an extended power outage? > > If so, what brand and specs? > > John T > eServices For You > > "Seek, and ye shall find!" > > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ > > To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html > List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ > Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/ To Unsubscribe: http://www.ipswitch.com/support/mailing-lists.html List Archive: http://www.mail-archive.com/imail_forum%40list.ipswitch.com/ Knowledge Base/FAQ: http://www.ipswitch.com/support/IMail/
