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I mounted these on the ground in MA and we get a lot of snow. I use a brush designed for washing RV's with soft brissels and it works great. I extended the pole to reach the top of the panel it works fine. I noticed the day after a snow storm, all the clouds clear out and it's really bright. I believe the snow albedo affect kicks in and my panels crank out the power -
Originally posted by peakbagger View PostMy pole mount is in high wind zone and originally didn't have the corner braces. I added them when I replaced an older smaller array with larger panels. if the wind is right I could detect the array trying to oscillate rapidly back and forth. One brace really dampened it out and then I added the second one on the leading edge corner to deal with winter winds. The array is about 8 miles away from top of Mt Washington NH which had the record for the highest wind speed, 231 MPH, ever recorded in the world for quite a few years. My array doesn't see that sort of wind but the does start to rumble on occasion.
Add: Question: Any evidence of wind induced vibration/fatigue damage ? Might be a good test bed area. Just wonderin'.Leave a comment:
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Originally posted by peakbagger View PostMy pole mount is in high wind zone and originally didn't have the corner braces. I added them when I replaced an older smaller array with larger panels. if the wind is right I could detect the array trying to oscillate rapidly back and forth. One brace really dampened it out and then I added the second one on the leading edge corner to deal with winter winds. The array is about 8 miles away from top of Mt Washington NH which had the record for the highest wind speed, 231 MPH, ever recorded in the world for quite a few years. My array doesn't see that sort of wind but the does start to rumble on occasion.Leave a comment:
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My pole mount is in high wind zone and originally didn't have the corner braces. I added them when I replaced an older smaller array with larger panels. if the wind is right I could detect the array trying to oscillate rapidly back and forth. One brace really dampened it out and then I added the second one on the leading edge corner to deal with winter winds. The array is about 8 miles away from top of Mt Washington NH which had the record for the highest wind speed, 231 MPH, ever recorded in the world for quite a few years. My array doesn't see that sort of wind but the does start to rumble on occasion.Leave a comment:
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The poles are sunk 10' deep, 24" hole, filled with concrete. The panels are 200w Evergreens, 3Kw on the rear pole, 2kw on the closer, taller pole. We've had steady 50mph winds and gusts and they've held up so far.
Takes 2-3 days to get the snow off. Summer, I rinse them down once a month with garden hose. i wash before sunrise, while the dew has the crud soft.Leave a comment:
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How much concrete is under one of those poles? That one in the back with 15 panels would probably cover my needs. Its a Powerfab mount? Does it tilt for different angles easily?
I am guessing 15 panels would equal 4000-4500w? I am not sure how one thinks, but I believe the net energy tariff here only compensates you month to month for any energy you use and overproduction is not compensated or compensated very little. Read it a couple times and don't quite understand the OG&E tariffs. here it is:https://oge.com/wps/wcm/connect/1c7e...0-bd97cafd9a7aLeave a comment:
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Originally posted by Mike90250 View PostI have 90 acres I could have put ground mounts on, but the weeding tasks to keep the lower panels clear, were daunting. So I went with tall pole mounts. And found they are too high to scrape the seasonal 3" of snow off of, I have to wait for it to melt.
20170102_134826c.jpgLeave a comment:
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Originally posted by Mike90250I have 90 acres I could have put ground mounts on, but the weeding tasks to keep the lower panels clear, were daunting.
So I went with tall pole mounts. And found they are too high to scrape the seasonal 3" of snow off of, I have to wait for it to melt.Leave a comment:
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Hmm. Maybe articulating pole mounts that will lower on demand for cleaning and maintenance.
The weather always seems to be a PIA when it comes to a solar array.Leave a comment:
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I have 90 acres I could have put ground mounts on, but the weeding tasks to keep the lower panels clear, were daunting. So I went with tall pole mounts. And found they are too high to scrape the seasonal 3" of snow off of, I have to wait for it to melt.
20170102_134826c.jpgLeave a comment:
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Originally posted by supertrucker View PostWouldn't I be better off reading Photovalic Design & Installation for dummies? https://www.amazon.com/Photovoltaic-...tallation+book
Maybe I should consult the Germans? https://www.amazon.com/Planning-Inst...tallation+book
It would be probably be better to go back to school and take this class with the book? https://www.solarenergy.org/shop/pub...vious-edition/
Free is tempting? https://archive.org/details/SolarPow...HomeForDummies
Retro is always a novel idea? https://www.amazon.com//gp/offer-lis...ag=bkfndr96-20
Maybe it would just be easier to ask a question on solar forum? I guess not.
As my prior post ended, take what you want of the above. Scrap the rest.Leave a comment:
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I don't get it. You got answers to your questions and then some other important info to consider. You also were pointed to some very informative reading material. You might search Ground mount installations for examples. You asked a general question and got general answers. along with additional things to consider. Figure out your loads after doing all you can to increase efficiency. That will give you a better idea on how large an array you will need. You cant expect a turnkey design to be handed to you in a couple paragraphs.Leave a comment:
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Originally posted by supertrucker View Post......
Maybe it would just be easier to ask a question on solar forum? I guess not.
Learning more about the technology yourself may be a better path first which can lead you to asking more detailed questions.Leave a comment:
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Wouldn't I be better off reading Photovalic Design & Installation for dummies? https://www.amazon.com/Photovoltaic-...tallation+book
Maybe I should consult the Germans? https://www.amazon.com/Planning-Inst...tallation+book
It would be probably be better to go back to school and take this class with the book? https://www.solarenergy.org/shop/pub...vious-edition/
Free is tempting? https://archive.org/details/SolarPow...HomeForDummies
Retro is always a novel idea? https://www.amazon.com//gp/offer-lis...ag=bkfndr96-20
Maybe it would just be easier to ask a question on solar forum? I guess not.
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