I have 29 Solarworld 270 Watt panels tied into two SMS Sunnyboy inverters. One is a 3000TL and a 5000TL 9 (US models limited to a 600VDC input total) The Sb 3000TL has one string of 9 panels and the SB 5000TL has two strings of 9.
Casey, looks like your inverter is clipping. Might need to to go to a 4000TL.
I might try to use a tree sprayer and get up on a ladder and spray the Windshield Washer version of rain X up there. 4 dollars a gallon.
And I am wondering about the Ice Clear product we/You want to use for the glycol replacement from Orison.
It is designed for de icing Air plane wings and windows. Hmmm I wonder if it is pre apply or an after the ice is on ?
Here is a shot from the best day this year. March 29th. The best my US3000TL was 2.88kWh and the US5000TL was 4.59kWh, Having the added 100VDC the AUS system can handle gives you Casey the extra VDC you can add.
Post by Casethecorvetteman on Apr 9, 2015 19:43:52 GMT -5
Inverters dont "clip" Nash, they are a load to the panels. I have no idea who started that line of thought off, but its not how it works.
The inverter will load up the panels until it either reaches maximum available power it can economically draw on, or until it reaches the maximum input capacity of the inverter. It does not ever "clip" or "dump" power. Its like saying you car starter motor clips power when you start the engine, because that battery can easily supply more current than is required to power that load, and the car's computer and electricals even more so.
That is based on an assumption that solar panels push out power regardless of connected load. Theyre a ripple free DC power supply the same as a battery. With no load, zero current will flow. There is no magic tricks at all, its simple ohm's law.
My inverter is sized based on local government limits, 3kW is the maximum in can install here. I could go a 7000TL and still ride a 3 hour redline. When you design systems to an inverter output limit, you must aim to have that inverter at its maximum output as long as possible. This means provide the inverter with enough supply to run at best efficiency with no yield loss. Higher voltage, lower current, less heat, best efficiency.
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