Perhaps.... My concern is what that may do to the clamping ability of the UPS during regular operations?
On 5/8/13 1:22 PM, Chris Fabien wrote: > Why spend money to fix a problem that's not a problem? > Always two ways to look at things! > > My point is that turning down the UPS sensitivity is a fine solution if > the equipment runs ok on the generator. > > > On Wed, May 8, 2013 at 1:18 PM, Matt Hoppes <mhop...@indigowireless.com > <mailto:mhop...@indigowireless.com>> wrote: > > Not that I've noticed -- it all runs fine when we plug it into the > generator directly -- but why chance it? > > > On 5/8/13 1:16 PM, Chris Fabien wrote: > > Do you have equipment that is very sensitive to frequency? Most newer > > stuff uses switch-mode supplies which typically can operate fine > over a > > wide range of voltages and frequencies. > > > > > > On Wed, May 8, 2013 at 1:12 PM, Matt Hoppes > <mhop...@indigowireless.com <mailto:mhop...@indigowireless.com> > > <mailto:mhop...@indigowireless.com > <mailto:mhop...@indigowireless.com>>> wrote: > > > > I'm looking at inverters as a solution. > > > > We have several generators (they increase throttle based on > load and > > generally have very unclean power). > > > > We also have one Sear Alternator that runs at a constant RPM and > > provides some of the cleanest power I've ever seen. 60Hz on > the nose @ > > 120volts. As you load it, the voltage slowly goes down, but > the Hz > > remains constant. > > > > On 5/8/13 1:00 PM, Chris Fabien wrote: > > > I am not sure exactly what you are getting at by using the > term > > > alternator. But a good option is any of the honda or > yamaha inverter > > > generators. These have a DC generator system running a power > > inverter so > > > the power output is much more constant. They are also > quieter and > > more > > > fuel efficient because the engine RPM can slow down to > match the load > > > where a normal generator must run at 3600rpm to get your > 60hz power. > > > > > > > > > On Wed, May 8, 2013 at 12:55 PM, Matt Hoppes > > <mhop...@indigowireless.com > <mailto:mhop...@indigowireless.com> > <mailto:mhop...@indigowireless.com <mailto:mhop...@indigowireless.com>> > > > <mailto:mhop...@indigowireless.com > <mailto:mhop...@indigowireless.com> > > <mailto:mhop...@indigowireless.com > <mailto:mhop...@indigowireless.com>>>> wrote: > > > > > > This is the third time in about two years that we've > had some > > major > > > power outages across our region due to the supplier lines > > going down. > > > > > > Every time the situation is the same, > > > > > > We roll out our portable generators to a few of our > smaller > > sites that > > > don't have full-time generators -- and every time we > have to > > fight with > > > them to get clean power out of them -- usually just > ending up > > putting > > > equipment directly on the generators and bypassing the UPS > > systems. > > > > > > I've seen the generators go everywhere from 40Hz to 90Hz. > > > > > > Has anyone come across a nice portable alternator (as > opposed > > to a > > > generator) that can be taken to tower sites as > supplementary > > power? > > > > > > ~ Matt > > > _______________________________________________ > > > Wireless mailing list > > > Wireless@wispa.org <mailto:Wireless@wispa.org> > <mailto:Wireless@wispa.org <mailto:Wireless@wispa.org>> > > <mailto:Wireless@wispa.org <mailto:Wireless@wispa.org> > <mailto:Wireless@wispa.org <mailto:Wireless@wispa.org>>> > > > http://lists.wispa.org/mailman/listinfo/wireless > > > > > > > > > > > > > > > _______________________________________________ > > > Wireless mailing list > > > Wireless@wispa.org <mailto:Wireless@wispa.org> > <mailto:Wireless@wispa.org <mailto:Wireless@wispa.org>> > > > http://lists.wispa.org/mailman/listinfo/wireless > > > > > _______________________________________________ > > Wireless mailing list > > Wireless@wispa.org <mailto:Wireless@wispa.org> > <mailto:Wireless@wispa.org <mailto:Wireless@wispa.org>> > > http://lists.wispa.org/mailman/listinfo/wireless > > > > > > > > > > _______________________________________________ > > Wireless mailing list > > Wireless@wispa.org <mailto:Wireless@wispa.org> > > http://lists.wispa.org/mailman/listinfo/wireless > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org <mailto:Wireless@wispa.org> > http://lists.wispa.org/mailman/listinfo/wireless > > > > > _______________________________________________ > Wireless mailing list > Wireless@wispa.org > http://lists.wispa.org/mailman/listinfo/wireless > _______________________________________________ Wireless mailing list Wireless@wispa.org http://lists.wispa.org/mailman/listinfo/wireless
