On 6/10/2013 8:08 PM, Bob Clark wrote:
RE_Wrenches:
Can someone tell me what is being referred to in NEC 690.55 when it says
Photovoltaic power systems employing energy storage shall also be
marked with the maximum operating voltage, . . . ?
.including any equalization voltage and
Equalization voltage is how we have interpreted this. It clearly does not say
nominal.
-Original Message-
From: Bob Clark bcl...@solar-wind.us
Sent: 6/10/2013 23:08
To: 'RE-Wrenches' re-wrenches@lists.re-wrenches.org
Subject: [RE-wrenches] NEC 690.55 - maximum operating voltage
Hilton,
ETAPump was Dankoff Solar's name for the Lorentz. Dankoff was the
first to bring Lorentz pumps to the Americas. Contact GenPro for
parts and service for the northern tier of the US.
Allan
Hi Bob,
I would rather it be worded maximum normal operating voltage.
Maximum operating voltage would be the recommended BULK voltage for the
battery type being utilized.
Equalization is a maintenance procedure, which is why it calls for
separate listing.
It must also include polarity of
HI All,
I mean as its worded, it would also be 240vac?
jay
peltz power
On Jun 11, 2013, at 7:30 AM, eric.bent...@schneider-electric.com wrote:
Hi Bob,
I would rather it be worded maximum normal operating voltage.
Maximum operating voltage would be the recommended BULK voltage for the
This seems like another well meaning but slightly awkward code
requirement. I think it would be sufficient to list the nominal battery
voltage (very important to know) and then the actual variation in
voltage is not going to be too hard to comprehend.
Knowing array Voc is also very important.
Wrenches - I am considering the purchase of a thermal imaging camera for PV
system commissioning applications. Prices seem to range from $1,000 to
$10,000+. Primary manufacturers seem to be Fluke and Flir, with Extech,
Ideal and Milwaukee offering a few products as well. It seems to me that
the
7 matches
Mail list logo
