Hi Troy,

I'm assuming this is off grid. Could you please provide details for the system
(inverters, batteries, etc.). 
A single, sudden, 20 amp load is not necessarily small relative to the size of
the system. Is the load 120V or 240 V?

Dick Ratico
Solarwind Electric


--- You wrote:
On Sun, Feb 2, 2014 at 4:39 PM, Troy Harvey <taharvey@heliocentric.org>wrote:

>
>
> We've got a PV system that has long lines from the inverters to the house
> (1000 ft or so). While the wires are properly sized (2x350MCMs), it
> inherently has a lot of inductance due to the line-length. What We are
> noticing is that dimmable LED lights flicker anytime a new load turned on,
> even if that load is purely resistive and the overall current draw is small
> (20 amps or so). What I "think" is happening is the LED dimmer circuits get
> their cue from phase delays, and that the inductance of the line length
> causes some phase jitter everytime a load is applied - thus causing flicker.
>
> Has anyone dealt with this issue successfully (other than switching
> to incandescent lights)? Would a static capacitor bank at the house do the
> trick, or do we need some type of active PFC? And if static did you have
> any issues with constant power draw from the capacitors?
>
>
>
> Troy Harvey
> ---------------------
> Heliocentric
>
--- end of quote ---

