Doug,
I'd like to see the bulletin about why they could not positively ground
their modules. It seems quite odd.
Positively grounding a module in general should have no effect on a typical
module. As to why it helps the SunPower module, they have an explanation,
but I'm not convinced it is true-
Peter,
The link worked fine for me, but to acces it I had to manually cut-n-paste
the entire URL. Notice that it's a long URL, that wraps onto two lines, but
only the first line is active as a hot link. You have to manually add the
second line.
Allan
-Original Message-
On Behalf Of Peter P
mick abraham wrote:
Greetings, all~
If there is no Magnum employee monitoring the Wrench List, could boB Gudgel
forward this as appropriate?
My client has a "genset plus" system--no recharge other than his MagnaSine
4448AE driven by a generator. Batteries are a single string of Deka 8L-16's,
Greetings, all~
If there is no Magnum employee monitoring the Wrench List, could boB Gudgel
forward this as appropriate?
My client has a "genset plus" system--no recharge other than his MagnaSine
4448AE driven by a generator. Batteries are a single string of Deka 8L-16's, a
few months old. We're
Hi Kirk,
Aha! I suspected it might be as much. Thanks for the quick reply!
Looks like the SB3000 is also part of it.
So on that SMA "fix". Is that a one time boot up reset of ROM and
then it's fine for life or is it liable to recur on any given
morning's startup?
And I assume I don't c
Jay,
Europe is ungrounded. As a result, there are other requirements to
detect leakage currents to earth at startup, and during operation. You
might wonder what happens if there's a ground fault. Well, it is
detected by the leakage current detection. Interestingly, a ground
fault on an un
Hello,
Anybody out there have experience with these panels? They are self-sticking
4x8 380 watt cyrstalline modules.
http://www.dricompanies.com/PowerPly380.aspx The cut sheet does not list
them as UL approved. Are they availible yet?
Kirk Herander
Vermont Solar Engineering
802.863.1202
fax 802.8
Yes. It happened to me on a recent SB 4000US installation. SMA knows of the
problem but doesn't know the cause. It's shown up in about 20 of 4000
(that's quanty of 4000) inverters sold. SMA did not tell if its unique to
the 4000US or other models as well.
But you can get the inverter to boot up pr
Good Day All,
I'm getting a "GFDI Fuse Open" message on a SB3000 and the fuse is good.
What I've checked:
1) I've checked POS to GND and NEG to GND both floating and when
connected to the integral DC Disco both for continuity and voltage .
I show expected Voc on both strings and no continuity
Hi Marv,
What do they do in Europe or japan?
How are they grounded, or are they grounded?
thanks,
jay
On Sep 21, 2008, at 11:17 AM, Marv Dargatz wrote:
Mark,
From an inverter manufacturer's standpoint there is a huge advantage
in running positive ground in all installations. Since the gro
Darryl Thayer wrote:
Hi all
this all seems strange, perhaps the high positive voltage on the front of the cells causes a build up of charge attracting the negatively charged dust in the air. Locally we have a DC power line each line either 450,000 volts either positive or Negative. They reverse
Mark,
From an inverter manufacturer's standpoint there is a huge advantage in
running positive ground in all installations. Since the ground is
provided through the GFDI circuit of the inverter, only one
configuration of inverter must be stocked, and there is no need to
provide field configu
The link doesn't work Doug. If it is the same article that they published
about 2.5 years ago, I was unimpressed (actually the one I read was not long
on field measurements, so we may be talking about two different articles).
What is important to think about is the possible reason for the white pa
Hi all
this all seems strange, perhaps the high positive voltage on the front of the
cells causes a build up of charge attracting the negatively charged dust in the
air. Locally we have a DC power line each line either 450,000 volts either
positive or Negative. They reverse the polarity about
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