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>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>> 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> > > 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 >
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