Chris,
I just wanted to say thanks for coming onto the list and giving more detail
of what you have achieved. I have long believed that with a little more
understanding and thought, PV and a diesel (or gas) derived grid will become
common place, and will eliminate the need for a battery bank on
This is an interesting thread, Wrenches~
May I suggest looking through the opposite end of the telescope? I hasten
to add that I have not had suitable clients to try this suggestion, but:
Instead of using a "synchronous wound" generator (to which grid tie
inverters >might< sync), consider using b
Hello,
Can anyone provide user feedback on the Seaward PV test/commissioning
equipment? I'm thinking of making the $2K investment in their Solarlink kit.
Thanks.
Kirk Herander
VT Solar, LLC
dba Vermont Solar Engineering
NABCEPTM Certified Inaugural Certificant
NYSERDA-eligible Installer
John (and other Wrenches),
I read with great interest this post about Sunny Island breaker
size. We are about to install a large semi-off grid system for a
wealthy and eccentric customer. The system has 17kW of PV, and
four SI5048 inverter/chargers, along with an
Kirk
Good to check out, it is a fair amount of money, but being able to safely
do Isc on a full series string, megging, grounding continuity and DC power,
it is a handy tool to have.
I have been using one for over a year now and have been very happy with
it. It is relatively quick to use once you
Yep, I bought one for testing modules and installations. The kit is
designed for European installations where the connection to the inverter is
via MC4 or Sunlink connectors. You can disconnect the inverter, connect the
Seaward, and test the system. Similarly the strings are plugged into the
bottom
Thanks Bill. It was your excellent HP article which turned me on to Seaward
products, as applied to full-blown evaluation. I am doing larger and more
commercial arrays now and this testing is a logical step up in professional
commissioning. Sure beats the basics using my old Fluke. Now the hand-hel
PS - What's of battery life like in the Seaward products, in particular when
using the wireless irradiance meter? I have a Fluke 233 w/ detachable remote
display. It has a range of about 30 ft. Trouble is every time a pull it out
after a couple weeks of being turned off the batteries are always dea
Alan:
In my experience, the worst case currents occur during battery charging
following a deep discharge.
(You should see a generator exhaust pipe at night when charging hard - such a
pretty shade of yellow/orange)
The SI has parameters you can set to limit the maximum charge rates which
shoul
I'm getting an odd number of calls recently from local people who want MC4
connectors. When I tell them a crimping tool is needed, they tell me they
could also use MC3 to MC4 adapters. I'm guessing that somebody dumped a
bunch of old modules with MC3 connectors in the local market to DIY'ers. I
kee
Hi Jason
Contact. PV cables
br...@pv-cables.com
707-923-3000
Jay
Peltz power
Sent from my iPad
On Feb 13, 2013, at 3:55 PM, Jason Szumlanski wrote:
> I'm getting an odd number of calls recently from local people who want MC4
> connectors. When I tell them a crimping tool is needed, they t
Wrenchies,
Does anybody out there have any positive feed back on the PowerOne micro
inverters yet? We need to build a few systems with these here on O'ahu due
to the impossibility of finding any M-210 Enphase micros.
Mahalo in advance
--
*
James B Rudolph*
*Heleakala Solar* *
*
*Director of Cons
Hi there,
Just to mention this research paper on the long term benefits of Diesel/PV
compared to PV/battery systems and Diesel only.
This was an experimental setup in using 2.85 kW Solar and a 9.2 kW diesel
generator (No Batteries).
http://iopscience.iop.org/1757-899X/29/1/012012/pdf/17
I've got the only operational P1 micro installation in the state here in
Hilo.
It's a solid product. The monitoring system works pretty well although it's
still something of a work in progress.
Allied Building on Sand Island there on O'ahu will be stocking them most
likely sometime in Mar
Hi there,
The following link is to an off grid SMA Diesel/solar hybrid (no batteries)
http://www.solarnovus.com/index.php?option=com_content&view=article&id=6031:
south-african-solar-diesel-hybrid-project-online&catid=41:applications-tech-
news&Itemid=245
SMA are clearly investing in th
Kirk
I can't say exactly on battery life, but it seems to hold up pretty well
and I do like using standard off the shelf batteries, I can always carry
spares because if they are going to go dead you know it is when you are in
the middle of no where! I prefer rechargeables, but someone always seem
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