Search found 252 matches

by provo
Sat Mar 28, 2020 3:58 pm
Forum: RADIAN Series
Topic: GS4040 & FM100 charging question
Replies: 14
Views: 161

Re: GS4040 & FM100 charging question

:grin: OK, then. I updated my profile to include the OpticsRE. I also saw where I could enter my Optics Site Name (Heimhenge) which I did. But what does that do? It's not visible in my forum profile. Is this for OB techs to help troubleshoot my system if they need to? If you click on Edit Profile u...
by provo
Thu Mar 26, 2020 9:04 am
Forum: Mate3 / Mate3s
Topic: AC input mode
Replies: 10
Views: 130

Re: AC input mode

Here's where you want to be in the Mate3s menu:
Mate 3s Screenshot.jpeg
Or you might want the next line down for Gen....

(See page 11 of the Mate3s Programming Guide.)
by provo
Sun Mar 15, 2020 12:33 pm
Forum: FLEXnet DC
Topic: FNDC Shunt Question
Replies: 5
Views: 1263

Re: FNDC Shunt Question

I'm confused about To Battery and From Battery. Is either one of those values in the Optics graph just taken from a single shunt, or they both calculated from both shunts (assuming no third shunt)? So if From Battery comes from the bat --> inv shunt, what happens when the inverter/charger is sending...
by provo
Sun Mar 15, 2020 10:57 am
Forum: FLEXnet DC
Topic: FNDC Shunt Question
Replies: 5
Views: 1263

Re: FNDC Shunt Question

Possibly, but not necessarily. Errors can also cancel each other out. True! In my case, the FNDC would be most valuable as a battery monitor that could talk to Optics. I was thinking of using the shunt that's already there for the FNDC also, but then I realized it's in the wrong place for the inten...
by provo
Sun Mar 15, 2020 10:08 am
Forum: FLEXnet DC
Topic: FNDC Shunt Question
Replies: 5
Views: 1263

FNDC Shunt Question

In my present system, the shunt for the Trimetric is between the the battery and the (combined) FM and FXR. When wiring up the FNDC with two shunts, it appears one shunt is between the battery and the FM, and the other is between the battery and the FXR. So the actual amps in and out of the battery ...
by provo
Sat Mar 14, 2020 1:20 pm
Forum: OutBack
Topic: 1935W from a 1920W array!
Replies: 1
Views: 1126

1935W from a 1920W array!

Despite Raysun's stories, I never thought I'd see it out of my ancient Evergreen panels. Stormy day, short period of bright sun, OpticsRE says peak power from my FM80 (absorbing + loads) was 64.3A x 30.1V. Cloud edge effects are real!
by provo
Fri Mar 13, 2020 12:00 pm
Forum: Grid Tie Applications
Topic: Offsetting PV and grid input
Replies: 22
Views: 2875

Re: Offsetting PV and grid input

Gridzero is the most stable. Mini-grid didn't produce consistent results and was all over the place, but when it does work it works well. We tried using the grid load transfer option which is also unstable. Works awesome some times, but other times the batteries completely drain, the building loose...
by provo
Fri Mar 13, 2020 8:56 am
Forum: Grid Tie Applications
Topic: Offsetting PV and grid input
Replies: 22
Views: 2875

Re: Offsetting PV and grid input

So I'm stuck trying to figure all of this out on my own with a $50K worthless system....... It's not worthless, but it may need "reconfiguring". A few questions I may have missed the answers to: 1. Are you interested in selling power back to the utility, or just using it on site? 2. Do you know rou...
by provo
Thu Mar 12, 2020 11:47 am
Forum: Website & Forum
Topic: A great thing about this forum...
Replies: 3
Views: 2119

Re: A great thing about this forum...

I've always loved being in a room with a lot of people who know more about something that I'm intensely interested in than I do!
by provo
Wed Mar 11, 2020 3:24 pm
Forum: OpticsRE
Topic: Latest Optics Maintenance
Replies: 4
Views: 1914

Re: Latest Optics Maintenance

Bryce Millet wrote:
Wed Mar 11, 2020 3:07 pm
I might have overwritten the ordering on accident during the update by slightly changing when certain steps were performed. Should be reset to its default state now. Are you still seeing this issue?
Back to normal! Thanks.....
by provo
Wed Mar 11, 2020 2:10 pm
Forum: OpticsRE
Topic: Latest Optics Maintenance
Replies: 4
Views: 1914

Latest Optics Maintenance

A small quibble with Optics now -- in the Inverter Device Map, the EQ Voltage, Absorb Voltage, and Float Voltage are no longer followed in the list by EQ Time, Absorb Time, and Float Time. It's easier to work with if the voltage is immediately followed by the time. Later edit -- I see it's the same ...
by provo
Mon Mar 09, 2020 1:19 pm
Forum: OutBack Energy Cell Batteries
Topic: 6 VOLT GOLF CART BATTERIES
Replies: 18
Views: 3689

Re: 6 VOLT GOLF CART BATTERIES

I'm near Seattle and my truck unfortunately is badly parked in shade because I don't have a good spot in the sun. I admit it's my fault these batteries failed although they are 6 years old . And .. at this point the whole system is dead .. does nothing when I turn it on Hmmmm...Seattle in the shade...
by provo
Mon Mar 09, 2020 12:36 pm
Forum: OutBack Energy Cell Batteries
Topic: 6 VOLT GOLF CART BATTERIES
Replies: 18
Views: 3689

Re: 6 VOLT GOLF CART BATTERIES

Outback's 4 KW flex inverter VFX3648 system 4 Pacific Power 100 AH batteries 6 Silicon Energy Cascade 200W solar panels I have no generator OK, great :grin: .. You might want to enter that info into your profile so it appears to the right of your postings. So your battery pack has a total of 4.8kWh...
by provo
Mon Mar 09, 2020 12:08 pm
Forum: Website & Forum
Topic: Post any forum strangeness here
Replies: 66
Views: 192542

Re: Post any forum strangeness here, My Login

...I am logged out pretty quickly after closing a session tab. I used to stay logged in continuously unless I purposely logged out or cleared the caches. ....wondering if anyone else has seen this or if Chrome or something else has changed on my end. I use Chrome too, and I've never been able to st...
by provo
Mon Mar 09, 2020 11:16 am
Forum: OutBack Energy Cell Batteries
Topic: 6 VOLT GOLF CART BATTERIES
Replies: 18
Views: 3689

Re: 6 VOLT GOLF CART BATTERIES

Over this winter my batteries just died. Four 100 AH batteries that will charge but they will not hold the charge and they struggle to charge so I need new batteries.. And I really love the Outback system I have but I don't have huge money to spend on batteries. I have heard I could use 6 volt golf...
by provo
Thu Mar 05, 2020 1:05 pm
Forum: Off Grid Applications
Topic: Battery to Inverter -- Wiring & Breaker
Replies: 6
Views: 2090

Re: Battery to Inverter -- Wiring & Breaker

IMO, 175A on discharge would be a practical minimum. Even though your loads don't demand it, going below the design peak draw of the inverter could lead to nuisance tripping. That high a rating wouldn't protect against an overcharge current, but other mechanisms in the system should. Thanks for the...
by provo
Thu Mar 05, 2020 12:20 pm
Forum: Off Grid Applications
Topic: Battery to Inverter -- Wiring & Breaker
Replies: 6
Views: 2090

Re: Battery to Inverter -- Wiring & Breaker

(Post back for further advice on how to unweld the screwdriver from the circuit.) Ha, ha! Ever the scientist, but I think I'll pass on that experiment :shock: . But seriously, there's a big range between CCA and a charging current that's too high. Wouldn't a 125A breaker help with lower currents th...
by provo
Thu Mar 05, 2020 11:22 am
Forum: Off Grid Applications
Topic: Battery to Inverter -- Wiring & Breaker
Replies: 6
Views: 2090

Re: Battery to Inverter -- Wiring & Breaker

I guess I like the idea that the smaller breaker would also serve as overcurrent protection for the battery. Of course, with a 250A breaker I haven't had that all along...
by provo
Thu Mar 05, 2020 10:58 am
Forum: Off Grid Applications
Topic: Battery to Inverter -- Wiring & Breaker
Replies: 6
Views: 2090

Battery to Inverter -- Wiring & Breaker

I’m considering changing my 24V battery pack from eight Rolls S-550’s in two strings (856Ah when new) to four Rolls S6 L16-SC in a single string (487Ah). My array is 1.9kW, my deepest overnight discharge ever was -162Ah (0.81 SOC), and I had to bend over backward to make that happen. Maximum overnig...
by provo
Mon Mar 02, 2020 3:58 pm
Forum: Off Grid Applications
Topic: 1 of 8 RE16-B
Replies: 64
Views: 19275

Re: 1 of 8 RE16-B

Even more than NEC, ask him if he knows all the requirements of LAHJ - the Local Authority Having Jurisdiction. If yours is anything like ours, going Full NEC might confuse them with stuff they don't know about. Ha, ha! Yeah, our people here can get pretty confused :lol:. I haven't actually decided...
by provo
Mon Mar 02, 2020 2:47 pm
Forum: Off Grid Applications
Topic: 1 of 8 RE16-B
Replies: 64
Views: 19275

Re: 1 of 8 RE16-B

I found using a competent electrician, and getting configuration info from this forum, results in a good quality, well functioning system. I actually know a great electrician around here, and he knows a lot about solar, too, mostly on boats, but he's also worked on my system. I hesitate only becaus...
by provo
Mon Mar 02, 2020 2:04 pm
Forum: Off Grid Applications
Topic: 1 of 8 RE16-B
Replies: 64
Views: 19275

Re: 1 of 8 RE16-B

Actually its limited by both, and voltage as well. 150V max input, 80A max in and out, 80A x Vnom max input power, where Vnom is 12, 24, 48, and I think 60V nominal battery voltage. Thanks for reminding me .... I'm considering rewiring my two strings of 24V into one string of 48V, and I forgot I wo...
by provo
Mon Mar 02, 2020 11:57 am
Forum: Off Grid Applications
Topic: 1 of 8 RE16-B
Replies: 64
Views: 19275

Re: 1 of 8 RE16-B

raysun wrote:
Mon Mar 02, 2020 11:53 am

An FM80 on a 48V battery is rated to 48 x 80 = 3840W
Ahh, yes! It's limited by amps, not watts .... sorry :razz:
by provo
Mon Mar 02, 2020 11:41 am
Forum: Off Grid Applications
Topic: 1 of 8 RE16-B
Replies: 64
Views: 19275

Re: 1 of 8 RE16-B

I can go back to the a$$holes down stream and do another bank of L16s. But this experiment with SimpliPhi is not within tolerance. Sodermo, you did everything with a "licensed" installer. You are covered. Blessings to y'all that you have that available. I don't have that option. Can you get Rolls b...
by provo
Thu Feb 27, 2020 2:45 pm
Forum: My OutBack Power System
Topic: Hey advice please
Replies: 9
Views: 2924

Re: Hey advice please

The units are capable of shunting excess incoming power, but the shunts are active - probably Field Effect Transistors that can handle the full rated load. The power shunted has to be dissipated as heat. There is a limit to the dissipation however. Thanks! I figured it was something to do with heat...