As I said if they don't install a battery bank, then in my opinion they are asking for trouble.
BTW you are confusing kVa with kW, 12kW + 13kW does not equal 25kVa.
The Harris is roughly 80% efficient, so the 12kW you quote is equal to 15kVa.
Previous Message
My understanding Dave, (Good morning) is yes - the Cells create DC power, fed to an inverter, the waveform from it, is synchronised to the national grid & any surplus power is fed to the grid - yes you can as an option, have a local battery bank, to store power for later use.
As an example at Orford - 25kva power generated by the solar cells, TX takes 12 kw, 13kw fed (or sold) to the grid.
I believe STX knows much more about this complicated subject, as there is one of these on his farm. Previous Message
You must have batteries or some form of storage for the power produced by the solar panels. They only produce D(irect) C(urrent) so need to be converted into A(lternating) C(urrent)to be used in the existing infrastructure. Solar power isn't a supply on demand system, it provides power when it can and stores it until needed. Previous Message
WW, for the reason you state, I don't think Batteries are being considered - (Cost & life) I think the way it will work, is if enough Solar power is being generated, the TX will be powered by it & the Surplus is sold to the Grid, at the point when it gets dark, the TX will only be powered from the Grid. The amount of course generated, will vary with the amount of sun.
Please correct me if I've got that wrong. Previous Message
I think it is amazing that Caroline comes to us at all. Well done to Ronan and now to Peter Moore. Peter is doing a great job. Also with regards solar panels, have Caroline looked into the cost of replacement batteries. People here are having solar panels installed under a government scheme and the batteries only last for 6 years and cost thousands to replace. Maybe the Caroline array does not need batteries to store the power?
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More power or not? - Ian B 17/2/2023, 11:33:41
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