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electrical:solar:frugal [2017/07/23 22:30] frater_secessus [system sizing] |
electrical:solar:frugal [2020/10/11 19:48] |
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- | ====== Frugal solar ====== | ||
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- | FIXME [this is a dump of a reddit post I made; will clean up later. fs] | ||
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- | ===== system sizing ===== | ||
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- | Get used to turning loads off when they are not in active use. Add switches if necessary to prevent " | ||
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- | Reduce the size of your solar install (panels, batteries) by running your loads [[electrical: | ||
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- | ==== reducing supply ==== | ||
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- | === reducing load === | ||
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- | test | ||
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- | * Inverters | ||
- | * minimize the use of inverters by using 12v appliances and adapters when possible | ||
- | * turn inverters off when not in use | ||
- | * size the inverter to meet the needs of your biggest loads. | ||
- | * use MSW unless your intended uses need PSW; MSW have lower parasitic draws. | ||
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- | ===== solar panels ===== | ||
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- | used panels may be found on craiglist and similar. Since they are older they will usually be rated for somewhat less wattage (ie, state of the art a couple years ago) but will cost less and someone else has already paid the insane shipping fees. | ||
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- | {{ https:// | ||
- | Grade B panels are apparently fully functional, but cheaper because they are not pretty to look at. If they are on top of the van you won't be seeing them much anyhow. | ||
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- | if you have room for them, residential panels (like 60 cell, nominal 20v panels) typically are cheaper by the watt. 72 cell are even cheaper by the watt but don't fit on many builds due to their large size. | ||
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- | ===== charge controllers ===== | ||
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- | the Chinese " | ||
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- | ===== batteries ===== | ||
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- | ===== converter ===== | ||
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