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electrical:solar:output [2023/07/09 13:53] frater_secessus [insolation] |
electrical:solar:output [2023/09/24 17:33] frater_secessus [where and when] |
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Because the difference between lab and actual conditions is so large, some manufacturers also publish [[https:// | Because the difference between lab and actual conditions is so large, some manufacturers also publish [[https:// | ||
- | In practical terms, it's common to see a maximum of 75% of STC under good conditions, more under great conditions, and much less under poor solar conditions. | + | In practical terms, it's common to see a maximum of 75% of STC under good conditions, more under great conditions, and much less under poor solar conditions. |
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+ | ===== where and when ===== | ||
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+ | The location and season both have profound effects on solar harvest. [[opinion: | ||
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+ | You can estimate solar harvest using [[electrical: | ||
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===== lack of demand ===== | ===== lack of demand ===== | ||
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Tip: you can work backwards from cosine calculations and observed power harvests to find your system' | Tip: you can work backwards from cosine calculations and observed power harvests to find your system' | ||
+ | ==== paradox of big solar ==== | ||
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+ | All other things being equal, peak harvest will happen at local solar noon((rarely clock-noon)) when the sun is highest in the sky. | ||
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+ | This leads to a paradox: | ||