Re: [RE-wrenches] 1500V Meter

2020-10-27 Thread Roy Rakobitsch
I've been using the Hioki dc clamp meter just fine on 1500vdc circuits. I only use it for DC, and it works fine. Roy Rakobitsch Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Mon, Oct 26, 2020, 14:22 Evan M wrote: > hey all, > anyone have any good recommend

Re: [RE-wrenches] Operating Voltages Outback RE High Capacity Battery

2019-04-19 Thread Roy Rakobitsch
you replicate and/or get a better picture of whats going on. Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Fri, Apr 19, 2019 at 12:27 PM Mac Lewis wrote: >

Re: [RE-wrenches] Outback OpticsRE and FlexNet DC shunts monitoring question

2018-03-18 Thread Roy Rakobitsch
can explain. I also second Johns comment about the quality of internet connection, its quite important for Optics to get good data into the database, especially if you are writing any parameters to the equipment. Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing,

Re: [RE-wrenches] Is there a charge controller do this?

2018-01-29 Thread Roy Rakobitsch
based on bank capacity and load calculation. Its then important for the PV to finish the charging cycle for continued battery health. I know its not optimal, but can work well if set up properly. Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety

Re: [RE-wrenches] 10 kW wind turbine

2017-03-27 Thread Roy Rakobitsch
Hey Mac, Bergey Excel (10kw) and the Jacobs 3120 (20kw) are the only two decent machines I can recommend. They are both not without their minor issues, but all around, they work great as long as preventative maintenance is done. Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified

Re: [RE-wrenches] Using same PV array for water pump, battery charging

2017-02-16 Thread Roy Rakobitsch
to mind. Swithcing can be done with contactor. Just a thought. Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Feb 16, 2017 4:24 PM, "Starlight Solar Power Syst

Re: [RE-wrenches] Outback Mate3 programming issues

2016-12-14 Thread Roy Rakobitsch
bugs and issues found. Good luck RoyR Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Tue, Dec 13, 2016 at 8:00 PM, William Miller <will...@millersolar.com

Re: [RE-wrenches] Troubleshooting Stumper - Homerun Interference in Conduit/Inverter Turning Off/On Rapidly

2016-09-07 Thread Roy Rakobitsch
Have you measured the current of each string simultaneously while the issue was happening? Have you verified correct polarity on each string? Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-

Re: [RE-wrenches] Off-grid generator update?

2016-04-28 Thread Roy Rakobitsch
Does the generator need to feed an inverter /charger input? In other words, does it need to provide AC/60hz? If it can be a DC genset (which is usually easier on the system) check out Polar Power. http://www.polarpower.com/ Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified

Re: [RE-wrenches] 600V charge controller questions

2016-01-31 Thread Roy Rakobitsch
? RoyR Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Sun, Jan 31, 2016 at 1:14 PM, Ray Walters <r...@solarray.com> wrote: > We were called in on a s

Re: [RE-wrenches] Battery corrosion issue

2016-01-20 Thread Roy Rakobitsch
Yup, id pre-drill and use an ez-out, or use a flaring tool as a small press and drive it out. RoyR On Jan 20, 2016 3:54 PM, "Kristopher Schmid" wrote: > Greetings, > > Do any of you battery gurus have a suggestion for a method of removing a > bolt remnant that is

Re: [RE-wrenches] Outback OpticsRe

2015-12-17 Thread Roy Rakobitsch
that it seems solid, and is set up nice for dealer/installers to manage multiple sites at a glance. I love being able to write to the aux relays and turn loads/charging sources on and off at will. Ive not used it very long but it seems promising and kinda neat. :) Roy Rakobitsch NABCEP Certified Small

Re: [RE-wrenches] Batteries

2015-12-12 Thread Roy Rakobitsch
small polyethylene wand (and small hand operated ball valve) it makes watering so quick and easy, and no messes. You do need a good headlamp while doing this to verify water level. :) Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/

Re: [RE-wrenches] Friend with system needs help

2015-11-19 Thread Roy Rakobitsch
ammeter and looking for half the current from any module to see if any of the blocking diodes have opened. Do these frameless mods have blocking diodes somewhere? Roy Rakobitsch NABCEP Certified Small Wind Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engi

Re: [RE-wrenches] Friend with system needs help

2015-11-18 Thread Roy Rakobitsch
screws and nuts with toothed washers. I woild look carefully at these connections, as they are not easy to see problems. Good luck. RoyR Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV De

Re: [RE-wrenches] AGS sensitive battery charger

2015-10-15 Thread Roy Rakobitsch
The midnite classic 250 can do this fine. Rectify the generator 110vac to around 165vdc and feed into classic. Use Aux functions to start and stop generator based on battery voltage or SOC %. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified

Re: [RE-wrenches] Flying with Makita batteries in checked or carryon?

2015-09-29 Thread Roy Rakobitsch
, except once TSA took and discarded my sunscreen!!, which had the top taped shut. -I found that pretty strange, and flew home with a sunburn. You'll probably be fine. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing, Safety

Re: [RE-wrenches] panel failure

2015-09-16 Thread Roy Rakobitsch
Ron, I replied a few days ago, ill fwd if you want. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing, Safety & Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Sep 16, 2015 1:57 AM, &q

Re: [RE-wrenches] panel failure

2015-09-16 Thread Roy Rakobitsch
opened up - the small spot welds broke. Like I said, yours may be different, but might be worth a shot scoping out the integrity of these connections. This would be on the posts that feed the blocking diodes, so before the diodes. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP

Re: [RE-wrenches] panel failure

2015-09-11 Thread Roy Rakobitsch
. This had opened up - the small spot welds broke. Like I said, yours may be different, but might be worth a shot scoping out the integrity of these connections. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing, Safety & Re

Re: [RE-wrenches] DC conductor line loss numbers

2015-07-22 Thread Roy Rakobitsch
Maybe 600vdc charge controller? Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing, Safety Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On Jul 22, 2015 1:52 PM, Jerry Shafer jerrysgarag

Re: [RE-wrenches] SnapNrack

2015-06-29 Thread Roy Rakobitsch
Loctite makes anti seize in aerosol cans. Not necessarily less messy but certainly less tedious if all bolts are prepped on the ground and carried up in a bucket for assembly. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower

Re: [RE-wrenches] Battery Bank to Inverter Wiring

2015-06-29 Thread Roy Rakobitsch
In my experience, adding large electrolytic filter caps at the inverter seems to help quite a bit with ac ripple issues and increases inverter efficiency a bit as well. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing

Re: [RE-wrenches] Voltage Degradation with Uni-Solar laminate

2015-05-31 Thread Roy Rakobitsch
Ive installed a few systems with these laminates years ago, but havent kept up with performance much unfortunately. I have heard of the diodes going bad (which are glued into the laminate along the sides). Maybe thats your issue? Just speculating... Roy Rakobitsch NABCEP Certified Small Wind

Re: [RE-wrenches] iron aluminum

2015-05-28 Thread Roy Rakobitsch
in contact. Use a nylon washer (or similar) small enough diameter to be hidden under the L-foot so UV (sun light) will never contact it. There are probably other good solutions as well. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower

Re: [RE-wrenches] Supply side

2015-05-25 Thread Roy Rakobitsch
Why not a simple line side tap? Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® Certified Advanced Tower Climbing, Safety Rescue Wind/PV Design Engineer Windsine LLC 631-514-4166 www.windsine.org On May 25, 2015 3:00 AM, frenergy frene...@psln.com wrote

Re: [RE-wrenches] Hidden freight damage

2013-11-04 Thread Roy Rakobitsch
, just work with your distributor for reimbursement or replacement on damaged items (because you took extra care to document all the damage with pictures). Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® NYSERDA eligible Small Wind installer Certified

Re: [RE-wrenches] Adding Charge Controller(s)

2013-10-24 Thread Roy Rakobitsch
a slight difference. But what Im suggesting is to count the cells in the strings. Hope that made sense. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® NYSERDA eligible Small Wind installer Certified Advanced Tower Climbing, Safety Rescue Wind/PV Design

Re: [RE-wrenches] Troubleshooting Off-grid PV

2012-05-27 Thread Roy Rakobitsch
evidence of browning inside the lamination looking at the front top of the module (usually but not always). Curious to see what you find. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® NYSERDA eligible Small Wind installer Certified Advanced Tower Climbing

Re: [RE-wrenches] pole mounts

2011-07-26 Thread Roy Rakobitsch
completely fill the pipe, or leave it empty with a good layer of gravel at the bottom to allow it to drain properly. I also have no studies to back this up, but it was just a thought. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® NYSERDA eligible Small

Re: [RE-wrenches] Interfacing an Air 403 wind generator

2011-05-05 Thread Roy Rakobitsch
such as an Outback GVFX of the appropriate voltage for the battery. This will most likely prove uneconomical, but it is certainly do-able. Roy Rakobitsch NABCEP Certified Small Wind Installer® NABCEP Certified Solar PV Installer® NYSERDA eligible Small Wind installer Wind/PV Design Engineer Windsine