Re: [RE-wrenches] Small PV system/experiment for kids

2012-12-12 Thread Nathan Jones
divides the rising column of air around the ball. It remains suspended above the tube perfectly and is guided back into the tube by the falling pressure of rising air surrounding it. A neat little display that lets kids (and adult kids) see instant cause and effect of the power of light. Nathan Jones

Re: [RE-wrenches] Max Insolation

2012-08-29 Thread Nathan Jones
the meter is spot on. I would have expected higher numbers than STC but did not know it would be that much. Others may have a multiplier to use with STC for altitude that could confirm your numbers. Nathan Jones Power Source Solar -- On Wed, Aug 29, 2012 12:26 PM CDT R Ray

Re: [RE-wrenches] High L16 voltage situation

2012-07-20 Thread Nathan Jones
on this one. Nathan Jones Power Source Solar Inc. 417-827-0738 -- On Tue, Jul 17, 2012 4:58 PM CDT John DeBoever wrote: Nathan, Interesting controller situation... I recommend you contact Morningstar tech support center , (215) 321-4457 for support. Ask for Adams. Hope

[RE-wrenches] High L16 voltage situation

2012-07-17 Thread Nathan Jones
situation. Anyone have any thoughts as to what is going on here? I am 140 miles from the site and this will be my third trip to sort this situation out. Thanks, Nathan Jones Power Source Solar Springfield, MO 417-827-0738 ___ List sponsored by Home Power

Re: [RE-wrenches] High L16 voltage situation

2012-07-17 Thread Nathan Jones
place as I am. No idea. Hard to believe we have 4 of their controllers over several months with the same gremlin. Battery connections are tight with the inverter pulling around 160 amps DC for its duty function which is about 3 minutes in duration. Nathan Jones

Re: [RE-wrenches] High L16 voltage situation

2012-07-17 Thread Nathan Jones
to the controller which does lower absorb and float voltage to Morningstars published settings with the one controller I attempted it with. Nathan Jones -- On Tue, Jul 17, 2012 3:41 PM CDT John DeBoever wrote: Nathan, Maybe the devil is in the details... Maybe

Re: [RE-wrenches] Battery changing on SW inverter

2012-05-15 Thread Nathan Jones
any pertinent settings that apply to that system. Thanks, Nathan Jones Power Source Solar Inc. 417-827-0738 -- On Tue, May 15, 2012 3:44 PM CDT Glenn Burt wrote: Hello wrenches, I am quoting a job to do a simple battery bank replacement on an existing system

Re: [RE-wrenches] Nickel-Iron Batteries

2012-05-05 Thread Nathan Jones
grid you are using the batteries in a cycling application and INMHO the flooded lead acid batteries are much better suited for this. Nathan Jones Power Source Solar -- On Sat, May 5, 2012 1:35 PM CDT Phil Theis wrote: Greetings, Does anyone have experience with Iron

Re: [RE-wrenches] unusual module

2012-03-24 Thread Nathan Jones
are describing although there is only one J box. Nathan Jones Power Source Solar 417-827-0738 -- On Fri, Mar 23, 2012 9:19 PM CDT Kent Osterberg wrote: Wrenches, A customer dropped off an unusual PV module a couple days ago. It's not a design that I'm familiar with. I'm

Re: [RE-wrenches] Unusual Module

2012-03-24 Thread Nathan Jones
Hilton, That description sounds like some old modules I used to have. I thought they were from the ARCO project. Same circumstances I think. As I recall the modules were Tri Lams (not sure on the proper name for them) but they were also 3 in series for 12 volt nominal. At least the ones I had

[RE-wrenches] Trace SW 4048 parts

2012-02-23 Thread Nathan Jones
Wrenches, I have a customers Trace SW4048 in the shop with a melted main transformer. Does anyone have a transformer set available for sale. Please contact me off list if you can help. Thanks, Nathan Jones Power Source Solar Inc. 417-827-0738 ___ List

Re: [RE-wrenches] Design Question re Battery Bank Sizing

2012-02-15 Thread Nathan Jones
like the savings in battery capacity alone would more than offset the price of the kit. Nathan Jones Power Source Solar -- On Wed, Feb 15, 2012 1:04 PM CST Brian Teitelbaum wrote: Alan and Larry, My Franklin Motor book says that a 230VAC single-phase 3HP pump motor

Re: [RE-wrenches] 24 vs. 48

2012-01-17 Thread Nathan Jones
. Parallel battery strings are eliminated, or at least held to two. Wire sizing might be reduced on the low voltage side of things. And much easier future expansion possibilities, too. Cheers, Nathan Jones Power Source Solar Inc -- On Tue, Jan 17, 2012 10:56 AM CST Mark

Re: [RE-wrenches] 24 vs. 48

2012-01-17 Thread Nathan Jones
Dan --- On Tue, 1/17/12, Nathan Jones solardud...@yahoo.com wrote: From: Nathan Jones solardud...@yahoo.com Subject: Re: [RE-wrenches] 24 vs. 48 To: re-wrenches@lists.re-wrenches.org Date: Tuesday, January 17, 2012, 12:11 PM Mark, It would seem to be a wash. As the voltage is halved

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-22 Thread Nathan Jones
in event of a grid failure. That question is unknown to me and has not been specifically answered yet. Any one have an answer to that? Nathan Jones Power Source Solar Springfield, Mo R 417-827-0738 On Tue, Nov 22, 2011 6:08 AM CST Bill Loesch wrote: Fellow Wrenches, Didn't Jim Duncan provide

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-22 Thread Nathan Jones
to spring for the higher cost of the Sunny Island yet. I live off grid using the venerable old SW 5548 and appreciate the history of this inverter and its lasting impact on inverter design being posted here. Hope this clears up any mis communication on my part. Nathan Jones Power Source Solar 417-827

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-22 Thread Nathan Jones
issues come up yet and a couple of these systems have been through a couple of weeks of off grid operation due to ice storms wrecking the local grid. I have followed this thread with interest and was glad for the repost and subsequent discussion. Cheers, Nathan Jones On Tue, Nov 22, 2011 11:06 AM

Re: [RE-wrenches] Convert Grid Tie SW4048 to Backup System; Add New Inverter, AC Coupled

2011-11-20 Thread Nathan Jones
. If this is correct then the SW should be capable of being used in an AC coupled arrangement just like a Magnum for instance. If this is not the case please correct me. Nathan Jones Power Source Solar Springfield, MO 417-827-0738 On Sun, Nov 20, 2011 5:33 AM CST Kirk Herander wrote: PS - Richard, does it have

Re: [RE-wrenches] Battery / no-battery

2011-10-27 Thread Nathan Jones
It can be done using AC coupling with the battery bank and battery based inverter added later. Nathan Jones Power Source Solar Inc. On Thu Oct 27th, 2011 10:36 AM CDT penobscotso...@midmaine.com wrote: Never heard of anything like that...a solar urban myth perhaps? At least for now.? Daryl

Re: [RE-wrenches] AC Coupling

2011-09-02 Thread Nathan Jones
are the only discharge path for this surplus power now. So now the issue is finding some way to regulate that backfed current to protect the batteries. And that brings us back to our discussion of frequency variation, dump loads, relays, etc. Hope this helps. Nathan Jones Power Source Solar Springfield

Re: [RE-wrenches] Grounding system for a shack on a frozen lake?

2011-08-10 Thread Nathan Jones
sources of potential are bonded back to source there is only shock hazard by getting between hot and neutral. Also, if a fault does occur with proper bonding the system will drain itself to dead fairly quickly and a summary diagnosis should find the fault as the culprit. Nathan Jones Power Source

Re: [RE-wrenches] pole mounts

2011-07-27 Thread Nathan Jones
out of square. It was a Y2K era install so it survived for 9 years before the wind got it. Nathan Jones Power Source Solar Springfield, Mo 417-827-0738 On Wed Jul 27th, 2011 6:31 PM CDT Dana wrote: I have run into several 6” sched-40 poles that were “adapted” to 8” for a tracker install. One

Re: [RE-wrenches] Underwater wire

2011-06-09 Thread Nathan Jones
be no stressing of the delivery system. Nathan Jones Power Source Solar 417-827-0738 On Thu Jun 9th, 2011 2:30 PM CDT Kristopher Schmid wrote: I have an installation that is a ground mount on a berm with a man-made pond between the array and the BOS. The pond is about 4 feet deep. How would you

Re: [RE-wrenches] Trace SWI stacking interface cable?

2011-05-27 Thread Nathan Jones
Jeff, I have a spare one you can use for a pattern but you have to send it back when you are done with it. Nathan Jones Power Source Solar 417-827-0738 On Fri May 27th, 2011 3:47 PM CDT Jeff Oldham wrote: I can't find a DIY paper on making you're own SWI stacking interface cable for the old

Re: [RE-wrenches] Fwd: out of business

2011-05-17 Thread Nathan Jones
been able to make it work in full sunlight. Still working a few bugs out of it. Maybe these guys would be interested? Nathan Jones Power Source Solar On Tue May 17th, 2011 9:22 PM CDT Brian Teitelbaum wrote: Oh my This from their news tab: The time has never been better to make

[RE-wrenches] Morningstar relay driver configuration help

2011-04-13 Thread Nathan Jones
this thing right so I don't have to field configure. Any input is appreciated as I have never used one of these units. Thanks, Nathan Jones Power Source Solar 417 827 0738___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re

Re: [RE-wrenches] Grundfos SQ Flex

2011-04-06 Thread Nathan Jones
also. If you have problems finding the pressure switch, should you need one let me know. I've got the series numbers with all the range of pressure set points back at the office. Nathan Jones Power Source Solar 417 827 0738 On Wed Apr 6th, 2011 3:55 PM CDT Kirpal Khalsa wrote: Hi allso I have

Re: [RE-wrenches] Grundfos SQ Flex

2011-04-06 Thread Nathan Jones
as the CU200 stop command was being ignored by the pump. I don't think I know of any of the installs around here actually seeing the 240AC though but I think it was one of the engineers there who I discussed it with. Nathan Jones Power Source Solar From: Allan Sindelar

Re: [RE-wrenches] Slow clocks

2011-04-04 Thread Nathan Jones
heavy load the motor may run well above 60HZ as the amps taper off and the clocks run fast instead of slow. There may be adjustment on the fuel setting on the genset but he probably has his choice of too fast or too slow depending on which charging phase he wants at dead on 60HZ. Nathan Jones Power

Re: [RE-wrenches] Generators?

2011-03-16 Thread Nathan Jones
the issue date. Nathan Jones On Wed Mar 16th, 2011 11:58 AM CDT August Goers wrote: Hi Off Grid Wrenches - I need to select a propane generator to provide a steady state load of approximately 8 kW for a offgrid Sunny Island system. The project is for an art studio and the loads are primarily all lights

Re: [RE-wrenches] Spot welding PV's to rails for theft prevention: bad idea?

2011-03-06 Thread Nathan Jones
. There is simply no way to stop a determined thief. We can only make it difficult enough that the end no longer justifies the means but if they want it bad enough, it is just a matter of time. Nathan Jones Power Source Solar On Sun Mar 6th, 2011 9:45 AM CST jay peltz wrote: HI guys, Hate to tell you

Re: [RE-wrenches] Spot welding PV's to rails for theft prevention: bad idea?

2011-03-06 Thread Nathan Jones
violent and enterprising in their theivery. My apologies for getting off topic on the list but as things unravel our products will become increasingly targeted. Something we all will be faced with sooner or later. Nathan Jones On Sun Mar 6th, 2011 11:49 AM CST jay peltz wrote: HI Nathan, Ill

Re: [RE-wrenches] Home Brew Frequency Switch

2011-03-01 Thread Nathan Jones
Mark, I've seen lots of gensets wander that much and more. When inverters are throwing full amperage at a battery bank during bulk charge and the genset is set to 60hz it could easily be at 62hz at the tail end of the absorbtion charge when the load has tapered off. Nathan Jones Power Source

Re: [RE-wrenches] Trojan L-1r studs

2011-02-09 Thread Nathan Jones
William, If the connections were not tight enough heat could have built up to melt the bolt mount. It is not all that uncommon and confirms the importance of properly torqueing all connections. Nathan Jones Power Source Solar On Wed Feb 9th, 2011 11:23 AM CST William Miller wrote: Friends: We

Re: [RE-wrenches] Low light panel

2011-02-03 Thread Nathan Jones
We built a display for a Science Center shining a 350 watt halogen bulb onto a 20 watt module. We could get .4 amps out of the 12 volt panel. No matter how large the array it can't be done with 60 lumens because the light disperses at the same rate that the array surface area increases. Nathan

Re: [RE-wrenches] Grid Tied AC Disconnect Question

2011-01-27 Thread Nathan Jones
will use it in future requests/negotiations with utilities. Good luck, Nathan Jones Power Source Solar 417-827-0738 ___ List sponsored by Home Power magazine List Address: RE-wrenches@lists.re-wrenches.org Options settings: http://lists.re

Re: [RE-wrenches] To insulate a battery bank DEPENDS on a lot of factors.

2010-12-14 Thread Nathan Jones
made both for and against insulating batteries. Nathan Jones Power Source Solar Inc. 417-827-0738 --- On Mon, 12/13/10, jay peltz j...@asis.com wrote: From: jay peltz j...@asis.com Subject: Re: [RE-wrenches] To insulate a battery bank DEPENDS on a lot of factors. To: RE-wrenches re-wrenches

Re: [RE-wrenches] low batteries with a sunny island

2010-11-17 Thread Nathan Jones
August, Lots of golf cars are 48 volt. Know a buddy with one that would let you borrow his charger? Or maybe a repair shop would let you borrow/rent one for a day. Just a thought. Nathan Jones On Wed Nov 17th, 2010 8:54 PM CST August Goers wrote: Hi All Battery Friendly Wrenches - We have

Re: [RE-wrenches] Trace Series TR2424 causing blinking lights

2010-11-05 Thread Nathan Jones
inverters. The how and why is above my pay grade but there are those here who know the answer. Nathan Jones On Fri Nov 5th, 2010 11:33 AM CDT Kent Osterberg wrote: Wrenches, I've got a customer that has a dual Xantrex TR2424 inverter system (not my installation) that complains of blinking lights

Re: [RE-wrenches] Charge Control in AC coupled system

2010-11-01 Thread Nathan Jones
issues here if we back feed the Magnum with the second string? We can bypass it and feed the main panel instead of the sub but will lose the second array output in a power failure. Any help is appreciated. Nathan Jones Power Source Solar Inc. 417-827-0738 --- On Fri, 10/29/10, jay peltz j