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pianotuna

Regina, SK, Canada

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Joined: 12/18/2004

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Posted: 09/27/10 07:38pm Link  |  Quote  |  Print  |  Notify Moderator

Hi KendallP,

The old style panels don't "put out" in moonlight--but they do have diodes between each cell.


Regards, Don
Full Time in a Kustom Koach Class C 28'5", 256 watts Unisolar, 875 amp hours in two battery banks 12 volt batteries, 2500 MSW watt inverter.

KendallP

Southern Oregon

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Posted: 09/27/10 08:40pm Link  |  Quote  |  Print  |  Notify Moderator

pianotuna wrote:

Hi KendallP,

The old style panels don't "put out" in moonlight--but they do have diodes between each cell.

Well thanks for the clarification!

And... that's really too bad. Was it just the age of those "old style" panels, or was it that the old ones were, perhaps Canadian... and female? Or is it just the northern cold that makes them so "frigid."



Looks like I, myself am in quite a mood tonight as well. Sorry.


Cheers,
Kendall

1986 Winnebago Chieftain 22RC
Our Camper (Don't laugh...
Unlike our credit cards... she's paid for)


MrWizard

Traveling

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Posted: 09/27/10 11:54pm Link  |  Quote  |  Print  |  Notify Moderator

Pictures from Sundays (yesterday's) solar install
on the ground, just got all washed up before mounting




Being mounted on the roof, view from the front of RV looking toward rear



View from the rear, showing all the panels
the pre-existing (4) panels totaling 90 watts is in the bottom foreground, the new to us Uni-Solar panels are in background 'top' of the this picture





108F today, to HOT to park in the sun and take amp readings, ran the generator all day for A/C,
maybe tomorrow I can get some amp readings and do a test of the blue sky controller,
there is way too much(too long) small gauge wire (14 ga?) in the OEM solar install, to make good use of the the MPPT capabilites

* This post was edited 09/28/10 12:37am by MrWizard *


Options, always have options, and the journey goes much smoother
....

Connected thru Verizon with HotSpot WiFi using a Samsung Galaxy Nexus


KendallP

Southern Oregon

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Posted: 09/28/10 12:07am Link  |  Quote  |  Print  |  Notify Moderator

Nice!

MrWizard

Traveling

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Posted: 09/28/10 11:02am Link  |  Quote  |  Print  |  Notify Moderator

At 7:30 AM, with overcast skys we got 1.7 amps charge
The genny is now running and the batts are taking 57amps, and the skys are still cloudy (thank god !) So no chance of getting a full use amps reading today
Yesterday was 108°F, todays forecast 102°F
Man I need to head back to the mountains

KendallP

Southern Oregon

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Posted: 09/28/10 12:46pm Link  |  Quote  |  Print  |  Notify Moderator

MrWizard wrote:

At 7:30 AM, with overcast skys we got 1.7 amps charge
The genny is now running and the batts are taking 57amps, and the skys are still cloudy (thank god !) So no chance of getting a full use amps reading today
Yesterday was 108°F, todays forecast 102°F
Man I need to head back to the mountains

Can't you...

1. Shut the converter off for awhile? (It's not like you won't be running the genny in the heat of the afternoon and thus charging again)

2. Take a few readings, one at mid day?

3. Re-fire up the converter later?

MrWizard

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Posted: 09/28/10 01:31pm Link  |  Quote  |  Print  |  Notify Moderator

Actually no
The converter is the inverter, and there are four duplex outlets on that circuit and three of them have something on them including the fridge, If I turn off the cb it defaults to inverter power unless I turn off the inverter function, this is what happens on normal days Or travel days

No full sun "it's cloudy" , batteries have already revived a substantial charge, no reason to move from under the shade tree for an inconclusive test
The low battery full sunlight will happen too soon !! anyway

* This post was edited 09/28/10 01:46pm by MrWizard *

KendallP

Southern Oregon

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Posted: 09/28/10 01:42pm Link  |  Quote  |  Print  |  Notify Moderator

MrWizard wrote:

No full sun "it's cloudy" , batteries have already revived a substantial charge, no reason to move from under the shade tree for an inconclusive test
The low battery full sunlight will happen too soon !! anyway

Alright. I was just curious how well the new panels would perform in the middle of a cloudy day.

MrWizard

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Posted: 09/28/10 01:49pm Link  |  Quote  |  Print  |  Notify Moderator

well I'm still on the old controller and wiring which hampers getting a meaningful testing of the just installed panels

* This post was edited 09/28/10 02:06pm by MrWizard *

KendallP

Southern Oregon

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Posted: 09/28/10 02:26pm Link  |  Quote  |  Print  |  Notify Moderator

MrWizard wrote:

well I'm still on the old controller and wiring which hampers getting a meaningful testing of the just installed panels

I accept your apology.

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