Fmagana
Idan gida yana da rufin siminti, yana fuskantar gabas zuwa yamma ko yamma zuwa gabas. An tsara hanyoyin hasken rana suna fuskantar kudu, ko bisa ga tsarin gida?
Shirye-shiryen bisa ga daidaitawar gidan tabbas ya fi kyau, amma akwai wani bambanci a cikin samar da wutar lantarki daga tsarin da ke fuskantar kudu. Nawa ne takamaiman bambancin samar da wutar lantarki? Muna nazari da amsa wannan tambayar.
01
Bayanin Aikin
Ɗaukar birnin Jinan, lardin Shandong a matsayin ma'ana, adadin radiation na shekara shine 1338.5kWh/m²
Ɗauki rufin siminti na gida a matsayin misali, rufin yana zaune a yamma zuwa gabas, ana iya shigar da 48pcs na 450Wp photovoltaic modules, tare da jimlar 21.6kWp, ta amfani da GoodWe GW20KT-DT inverter, an shigar da pv modules kudu. , kuma kusurwar karkata shine 30 °, kamar yadda aka nuna a cikin hoton da ke ƙasa. Bambancin samar da wutar lantarki a 30°/45°/60°/90° kudu ta gabas da 30°/45°/60°/90° kudu ta yamma ana kwaikwaya bi da bi.
02
Azimuth and Iradiance
Ƙaƙwalwar azimuth tana nufin kusurwar da ke tsakanin madaidaicin tsari na photovoltaic da kuma madaidaicin kudu (ba tare da la'akari da raguwar magnetic ba). Kusurwoyin azimuth daban-daban sun yi daidai da jimlar adadin radiation da aka karɓa daban-daban. Yawancin lokaci, tsararrun panel na hasken rana yana karkata zuwa ga fuskantarwa tare da mafi tsayin lokacin bayyanarwa. kusurwa a matsayin mafi kyawun azimuth.
Tare da kafaffen kusurwar karkata da kusurwoyi daban-daban na azimuth, tarin hasken rana na shekara-shekara na tashar wutar lantarki.
Chada:
- Tare da karuwar kusurwar azimuth, rashin haske yana raguwa a layi, kuma rashin jin dadi a kudancin kudancin shine mafi girma.
- Dangane da kusurwar azimuth iri ɗaya tsakanin kudu maso yamma da kudu maso gabas, akwai ɗan bambanci a ƙimar rashin haske.
03
Azimuth da inuwar tsararru
(1) Tsare-tsare na tazarar kudu
Babban ka'ida don ƙayyade tazara na tsararru shine cewa bai kamata a toshe tsararrun hoto ba a lokacin lokacin daga 9:00 na safe zuwa 15:00 na yamma a kan solstice na hunturu. An ƙididdige shi bisa ga dabara mai zuwa, nisa a tsaye tsakanin nisa tsakanin tazara ta hotovoltaic ko matsuguni mai yuwuwa da gefen tsararrun bai kamata ya zama ƙasa da D.
An ƙididdige D≥5 m
(2) Asarar shading iri-iri a azimuths daban-daban (daukar kudu ta gabas a matsayin misali)
A 30 ° gabas ta kudu, an ƙididdige cewa asarar occlusion na inuwa na gaba da na baya na tsarin akan solstice na hunturu shine 1.8%.
A 45 ° gabas ta kudu, an ƙididdige cewa asarar occlusion na inuwa na gaba da na baya na tsarin akan solstice na hunturu shine 2.4%.
A 60 ° gabas ta kudu, an ƙididdige cewa asarar ɓoyewar inuwa na gaba da na baya na tsarin akan solstice na hunturu shine 2.5%.
A 90 ° gabas ta kudu, an ƙididdige cewa asarar occlusion na inuwa na gaba da na baya na tsarin akan solstice na hunturu shine 1.2%.
A lokaci guda daidaita kusurwoyi huɗu daga kudu zuwa yamma yana samun jadawali mai zuwa:
Kammalawa:
Asarar shading na gaba da na baya baya nuna alaƙar layi tare da kusurwar azimuth. Lokacin da kusurwar azimuth ya kai kwana na 60°, asarar shading na gaba da na baya yana raguwa.
04
Kwatancen samar da wutar lantarki
Lissafi bisa ga shigar damar 21.6kW, ta amfani da 48 guda na 450W kayayyaki, kirtani 16pcsx3, ta amfani da 20kW inverter.
Ana ƙididdige simintin ta amfani da PVsyst, mai canzawa shine kawai kusurwar azimuth, sauran ba a canzawa:
Kammalawa:
- Yayin da kusurwar azimuth ke ƙaruwa, ƙarfin wutar lantarki yana raguwa, kuma ƙarfin wutar lantarki a digiri 0 (due kudu) shine mafi girma.
- Dangane da wannan kusurwar azimuth a tsakanin kudu maso yamma da kudu maso gabas, babu bambanci kadan a darajar samar da wutar lantarki.
- Daidai da yanayin darajar rashin haske
05
Kammalawa
A hakikanin gaskiya, idan aka yi la'akari da cewa azimuth na gidan bai dace da yanayin kudu ba, yadda za a daidaita wutar lantarki da kuma kayan ado na haɗin tashar wutar lantarki da gidan yana buƙatar a tsara shi daidai da bukatunsa.
Lokacin aikawa: Satumba-16-2022