hello Wrenches,
Thanks to all for the tips. The cleaning is complete. Did not have a chance
to try WD-40, but that would have been interesting. I wonder why they don't
include the original intent in applicationswater displacement, especially
for locks. I forgot to do it this Fall and am "p
In Minnesota there are no charge for residentical power factor or for demand.
Industrial commerical services have demand charges and power factor, i.e. VAR
related charges. These charges start at 90% PF, most of my customers have PF
greater than 90%. If I propose a solar system I enclude PF c
Hi All -
Thanks for the helpful info! We did a little more research on our end and
I guess Apparent is the new brand name for the Xslent product. What
baffles me is the chart where they show that they're producing power
before and after sunrise and sunset:
http://www.apparent.com/products/mgi.htm
And, because it only puts out 120V, you don't need a permit, or inspections!
I love these new gadgets!
Mike Nelson
MD Electric & Solar
On Fri, Jan 7, 2011 at 7:24 AM, August Goers wrote:
> Hi All -
>
> Thanks for the helpful info! We did a little more research on our end and
> I guess Apparent
Hey Everyone... got another one of those "Funny Questions" I'm struggling with... Seems I have an off grid customer researching battery issues.. and trying to gather a consensus among vendors.. fair enough... currently they have 4 strings of 5+ yr old L16 (not my design) that are starting to fail
Interesting website August, not sure if it uses a battery backup or simply supplies/returns reactive power at night from normal inductive loads. In their graph they list what items were running during the test and some of them are inductive loads, if they are capturing the reactive power and retu
I use volt drop under load, to find loose/ problem connections, but 2/100 of a
volt drop could just be due to the resistance between his probes and the
battery terminal.
DId he take 3 to 5 readings, and then avg his readings to come up with his
evaluation?
If his reading was accurate, a .02 v
The subject of reactive power is one of the more complex aspects of electrical
energy... and probably classifies as the most widely misunderstood, even by
master electricians.
It's also situations such as this that give reputable inverter manufacturers a
strong case of heartburn.
Just as there
It's an interesting product for a niche market if it actually works as they say (Disclaimer:I am not claiming that it does), after speaking with an individual who I believe is the VP of Production for Apparent (use to work for EnPhase according to their website), he claims that the product is curre
Is is possible that an un-meggered 11-String PV Output Circuit (CB to Inv),
that gets scuffed during a pull, inside PVC pipe underground could be
leaking to ground (the earth, not the wire), through say water in the pipe,
but not trip a Satcon 210 GFI?
We are seeing a systems' performance drop
I know only a little about Power Factor "charges", but we can figure out
some other "engineering" issues.
Power Factor is a measure of the amount of reactive (out-of-phase) power
compared to real (in-phase) power. It is somewhat complicated but the PF is
unity for 100% in phase and 0 for 100% out
I forgot to mention that an infared camera is a great way to find poor
connections.
Its a proven method on commercial panels, and I think it would work great for
battery cabling too.
Just put the system under full load for a few minutes, and the hot connections
would show up quick.
(of course j
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