Wrenches, regarding installing these capacitors in parallel with the load, how do you size the capacitor, from a input current or power perspective, and also a capacitance rating perspective?
On Wed, Apr 17, 2013 at 1:51 PM, Exeltech <[email protected]> wrote: > Wrenches, > > While the addition of a capacitor may resolve issues associated with > various > inverter/appliance/motor combinations, please make sure the capacitor(s) > get > switched OUT of the circuit (disconnected) when the load itself is > disconnected. > > Failure to do so could under some circumstances cause the inverter > control-loop > circuitry to go unstable, leading to unpredictable inverter operation, and > possible > damage/failure in the power system. Disconnecting the capacitor with the > load > alleviate this possibility. > > > Regards to all... > > > Dan Lepinski > > > > --- On *Wed, 4/17/13, Larry Crutcher, Starlight Solar Power Systems < > [email protected]>* wrote: > > > From: Larry Crutcher, Starlight Solar Power Systems < > [email protected]> > > Subject: Re: [RE-wrenches] Outback wave form > To: "RE-wrenches" <[email protected]> > Date: Wednesday, April 17, 2013, 2:09 PM > > > We experience issues like this from time to time. PF seems to be the > culprit. Have you measured it or looked at the waveform yet? How an > inverter deals with PF seems to vary broadly. For example, the Splendide > XC2100 washer/dryer will not work on a Magnum Energy and a few other sine > wave inverters. However, it will run on a low cost GoPower or Samlex sine > wave inverter. Below is a scope trace of voltage/current of the Magnum > inverter & Splendide washer. Upper trace is voltage > > > > > By adding a 50uF run capacitor inline, it somewhat tames the current phase > and the sine wave so the Magnum can operate the washer. > > > > (Special thanks to Al for the discovery and photos) > > Larry Crutcher > Starlight Solar Power Systems > > > On Apr 16, 2013, at 9:46 AM, All Solar > <[email protected]<http://mc/[email protected]>> > wrote: > > Have a client with a new coffee maker that will not run from their new > dual outback setup. Has anyone heard of this lately. We have had no > problems with appliances and sine wave inverters. What to look for? > > Sent from Jeremy's IPhone. Sorry for typos and shorthand! > _______________________________________________ > List sponsored by Home Power magazine > > List Address: > [email protected]<http://mc/[email protected]> > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > > > -----Inline Attachment Follows----- > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: > [email protected]<http://mc/[email protected]> > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > _______________________________________________ > List sponsored by Home Power magazine > > List Address: [email protected] > > Change email address & settings: > http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org > > List-Archive: > http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org > > List rules & etiquette: > www.re-wrenches.org/etiquette.htm > > Check out participant bios: > www.members.re-wrenches.org > > > -- Mac Lewis * "Yo solo sé que no sé nada." -Sócrates *
_______________________________________________ List sponsored by Home Power magazine List Address: [email protected] Change email address & settings: http://lists.re-wrenches.org/options.cgi/re-wrenches-re-wrenches.org List-Archive: http://lists.re-wrenches.org/pipermail/re-wrenches-re-wrenches.org List rules & etiquette: www.re-wrenches.org/etiquette.htm Check out participant bios: www.members.re-wrenches.org
