{"id":524,"date":"2023-12-12T14:26:19","date_gmt":"2023-12-12T14:26:19","guid":{"rendered":"http:\/\/dira.jecool.net\/?page_id=524"},"modified":"2023-12-15T11:22:31","modified_gmt":"2023-12-15T11:22:31","slug":"solarni-technologie","status":"publish","type":"page","link":"https:\/\/pitpraha.cz\/?page_id=524&lang=cs","title":{"rendered":"Sol\u00e1rn\u00ed technologie"},"content":{"rendered":"\n
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N\u00e1\u0161 minimalist\u00fd p\u0159\u00edstup se prom\u00edtl i p\u0159i pl\u00e1nov\u00e1n\u00ed sol\u00e1rn\u00ed elektr\u00e1rny nap\u00e1jec\u00ed n\u00e1\u0161 institut elektrickou energi\u00ed. V sou\u010dtu poskytuj\u00ed sol\u00e1rn\u00ed panely v\u00fdkon ni\u017e\u0161\u00ed ne\u017e 0,5 kWp. Sol\u00e1rn\u00ed pole je rozd\u011bleno do dvou v\u011btv\u00ed; jedna zahrnuje sedm sol\u00e1rn\u00edch panel\u016f o v\u00fdkonu 50Wp, co\u017e vytv\u00e1\u0159\u00ed sol\u00e1rn\u00ed kapacitu 350Wp. Energie z t\u00e9to v\u011btve je ukl\u00e1d\u00e1na do p\u011bti Li-ion bateri\u00ed, ka\u017ed\u00e9 s nomin\u00e1ln\u00edm nap\u011bt\u00edm 36V (12P10S) a kapacitou kolem 1 kWh. V na\u0161em institutu jsou tyto baterie vyu\u017e\u00edv\u00e1ny pro nap\u00e1jen\u00ed st\u0159\u00edda\u010de 230V AC, kter\u00fd je nap\u00e1j\u00ed p\u0159ev\u00e1\u017en\u011b chladni\u010dku a vodn\u00ed pumpu. Ostatn\u00ed elektrick\u00e9 spot\u0159ebi\u010de se sna\u017e\u00edme provozovat na DC 12V, pokud je to mo\u017en\u00e9. V\u011btev DC 12V obsahuje baterie LiFePO4 (4S) a je nap\u00e1jena polem sol\u00e1rn\u00edch panel\u016f s kapacitou 150Wp.<\/p>\n\n\n\n

\u00dastavn\u00ed st\u0159\u00edda\u010d s transform\u00e1torem spot\u0159ebov\u00e1v\u00e1 energii z bateri\u00ed i v re\u017eimu ne\u010dinnosti (tedy kdy generuje st\u0159\u00eddav\u00e9 nap\u011bt\u00ed, ale ze s\u00edt\u011b nen\u00ed \u017e\u00e1dn\u00fd odb\u011br), a to p\u0159ibli\u017en\u011b 10W pro n\u00e1\u0161 syst\u00e9m. Abychom minimalizovali dal\u0161\u00ed spot\u0159ebu energie, pou\u017e\u00edv\u00e1me d\u00e1lkov\u00e9 ovl\u00e1d\u00e1n\u00ed k zapnut\u00ed st\u0159\u00edda\u010de. D\u00e1lkov\u00e9 ovl\u00e1d\u00e1n\u00ed je p\u0159ipojeno k rel\u00e9 p\u0159ipojen\u00e9mu na termostatem chladni\u010dky, co\u017e zaji\u0161\u0165uje, \u017ee doba ne\u010dinnosti st\u0159\u00edda\u010de se sn\u00ed\u017e\u00ed na nulu.<\/p>\n\n\n\n

Stejn\u00fd p\u0159\u00edstup jsme zva\u017eovali i pro nap\u00e1jen\u00ed vodn\u00edho \u010derpadla. Vyu\u017e\u00edvat tlakov\u00fd senzoru k sepnut\u00ed rel\u00e9 a pota\u017emo st\u0159\u00edda\u010de. Ve fin\u00e1le jsme zvolili jin\u00fd p\u0159\u00edstup. Proto\u017ee pou\u017e\u00edv\u00e1me naddimenzovan\u00fd tlakov\u00fd tank o objemu 100 litr\u016f pro vodn\u00ed pumpu, m\u00e1me dostate\u010dnou kapacitu tlaku vody. A vodovodn\u00ed rozvod tlakujeme pouze, pokud je st\u0159\u00edda\u010d sepnut\u00fd pomoc\u00ed rel\u00e9 z lednice, co\u017e je dosta\u010dn\u00e9 pro ob\u010dasn\u00e9 pou\u017e\u00edv\u00e1n\u00ed b\u011bhem dne bez velk\u00e9ho kol\u00eds\u00e1n\u00ed tlaku. Takto nastaven\u00fd syst\u00e9m sni\u017euje pravd\u011bpodobnost potenci\u00e1ln\u00edch probl\u00e9m\u016f zp\u016fsoben\u00fdch tlakov\u00fdm senzorem. P\u0159i del\u0161\u00edm pou\u017e\u00edv\u00e1n\u00ed vody pou\u017e\u00edv\u00e1me ru\u010dn\u00ed sp\u00edna\u010d pro zapnut\u00ed st\u0159\u00edda\u010de.<\/p>\n\n\n\n

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Zjednodu\u0161en\u00e9 sch\u00e9me \u00fastavn\u00ed sol\u00e1rn\u00ed elektr\u00e1rny. A – Sol\u00e1rn\u00ed panely, B – sol\u00e1rn\u00ed kontroler, C – baterie, D – invertor, E – lednice, F – \u010derpadlo, G – DC rel\u00e9, H – termostat, I – AC z\u00e1suvka, J – DC z\u00e1suvka, K – manu\u00e1ln\u00ed sp\u00edna\u010d pro invertor<\/figcaption><\/figure>\n<\/div>\n<\/div><\/div>\n\n\n\n
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