Ekwakhiweni kohlelo lwesiteshi samandla e-Photovoltaic, isilinganiso samandla afakiwe amamojula we-Photovoltaic kumandla alinganiselwe we-inverter isilinganiso se-DC / AC,
Yikuphi i-parameter ebaluleke kakhulu yokuklama.Isezingeni eliphakeme le- "Photovoltaic Power Generation Stonect Amandla aqanjiwe isikhathi esiningi, futhi i-inserter ngokuyisisekelo konke kusebenza ngaphansi kwamandla agcwele, futhi iningi lesikhathi lisesigabeni sokuchitha amandla.
Ezihlotsheni ezikhishwe ngasekupheleni kuka-Okthoba 2020, isilinganiso samandla wamandla kagesi sasikhululwa ngokuphelele, futhi isilinganiso esiphezulu sezakhi kanye nama-inverterers afinyelela ku-1.8: 1. I-New New izokhulisa kakhulu isidingo sasekhaya sezakhi kanye nama-inverters. Kunganciphisa izindleko zikagesi futhi kusheshiswe ukufika kwenkathi ye-Photovoltaic parity.
Leli phepha lizothatha uhlelo olusatshalaliswa i-Photovoltaic System eShandong njengesibonelo, futhi sikuhlaziye ngokombono wamandla okukhishwa kwangempela kwamamojula we-Photovoltaic, ingxenye yokulahleka okubangelwa ukuhlinzeka ngokweqile, kanye nomnotho.
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Umkhuba wokuhlinzeka ngokweqile kwamaphaneli elanga
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Njengamanje, isilinganiso sokuhlinzeka ngokweqile kwezitshalo zamandla ze-Photovoltaic emhlabeni ziphakathi kuka-120% no-140%. Isizathu esiyinhloko sokuhlinzeka ngokweqile ukuthi amamojula we-PV awakwazi ukufinyelela amandla amahle kakhulu ngesikhathi sokusebenza kwangempela. Izici ezithonyayo zifaka:
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2) .Izinga lokushisa
3) .Dirt nothuli ukuvimba
4) .solar module ukujwayeza akuyona indawo efanele usuku lonke (amabakaki okulandela umkhondo angaphansi kwesici)
5) .solar module attiation: 3% ngonyaka wokuqala, 0.7% ngonyaka ngemuva kwalokho
6) .Khubela ngokulahleka ngaphakathi nangaphakathi kwezintambo zamamojula elanga
I-Daily Power Generation Curves enezilinganiso ezihlukile zokuhlinzeka ngokweqile
Eminyakeni yamuva, isilinganiso sokuhlinzeka ngokweqile kwezinhlelo ze-Photovoltaic kukhombisile ukuthambekela.
Ngaphezu kwezizathu zokulahleka kwesistimu, ukwehla okwengeziwe kwentengo yezakhi eminyakeni yamuva kanye nokwenza ngcono ubuchwepheshe be-Inverter kuholele ekukhuphukeni kwenani lezintambo ezingaxhunyaniswa, ukwengeza ngokweqile kwezomnotho. Ngaphezu kwalokho , Ukuhlinzekelwa ngokweqile kwezakhi kunganciphisa futhi izindleko zikagesi, ngaleyo ndlela kuthuthukise inani langaphakathi lokubuya kwephrojekthi, ngakho-ke amandla okulwa nokutshala imali engozini ayanda.
Ngaphezu kwalokho, amamojula we-Photovoltaic aphezulu abe yinkambiso enkulu ekuthuthukisweni komkhakha we-Photovoltaic kulesi sigaba, okubuye kwandise amathuba okuhlinzeka ngokweqile kwezingxenye nokukhulisa umthamo ofakwe ekhaya we-Photovoltaic.
Ngokusekelwe kulezi zinto ezingenhla, ukuhlinzeka ngokweqile sekuyindlela yokuklanywa kwephrojekthi ye-Photovoltaic.
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Isizukulwane samandla nokuhlaziywa kwezindleko
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Ukuthatha i-6kW Photovoltaic Power Station etshalwe umnikazi ngesibonelo, amamojula we-Longi 540W, avame ukusetshenziswa emakethe esatshalaliswa, akhethiwe. Kulinganiselwa ukuthi isilinganiso sama-20 kwh kagesi angenziwa ngosuku, futhi umthamo wokuphehla wamandla waminyaka yonke ucishe ube ngu-7 300 kWh.
Ngokusho kwamapharamitha kagesi ezakhi, okusebenzayo kwamanje kwephuzu lokusebenza eliphakeme ngu-13A. Khetha i-inverter esetshenziswayo ye-GW6000-DNS-30 emakethe. Ukufakwa okuphezulu kwamanje kwalesi in inverter kungu-16a, ongazivumelanisa nemakethe yamanje. Izingxenye eziphakeme zamanje. Ukuthatha inani eliphakathi leminyaka engama-30 lemisebe yonyaka yemali yezinsizakusebenza ezikhanyayo e-Yantai City, esifundazweni saseShandong njengesethenjwa, kwahlaziywa nezinhlelo ezahlukahlukene zezilinganiso ezingezona zenqubomgomo.
2.1 ukusebenza kahle kwesistimu
Ngakolunye uhlangothi, ukuhlinzeka ngokweqile kukhulisa isizukulwane samandla, kepha ngakolunye uhlangothi, ngenxa yokwanda kwenani lamamojula elanga ohlangothini lwe-DC, ukulahleka okufanayo kwamamojula welanga entanjeni yelanga nokulahleka kwe Ukwanda komugqa we-DC, ngakho-ke kunesilinganiso esifanele samandla, wandise ukusebenza kahle kohlelo. Ngemuva kokulingisa kwe-Pvsyst, ukusebenza kahle kwesistimu ngaphansi kwezilinganiso zamandla ahlukene zohlelo lwe-6KVA zingatholakala. Njengoba kukhonjisiwe etafuleni elingezansi, lapho isilinganiso samandla sicishe sibe ngu-1,1, ukusebenza kahle kohlelo kufinyelela inani eliphakeme, okusho nokuthi izinga lokusetshenziswa lezakhi liphezulu kakhulu ngalesi sikhathi.
Ukusebenza kahle kwesistimu kanye nokukhiqizwa kwamandla wonyaka ngezilinganiso ezihlukile zamandla
2.2 Isizukulwane Somandla Nemali engenayo
Ngokwesezingeni lesistimu ngaphansi kwezilinganiso ezahlukahlukene zokuhlinzeka ngokweqile kanye nezinga lokubola kwethiyori lamamojula eminyakeni engama-20, isizukulwane samandla esingaphansi konyaka ngaphansi kwezilinganiso ezihlukile zokuhlinzeka ngamandla zingatholakala. Ngokuya ngentengo kagesi ese-grid ka-0.395 yuan / kWh (intengo kagesi ye-bentoncmark ye-Susulfurized Coal eShandong), imali engenayo yonyaka yokuthengisa kagesi ibalwa. Imiphumela yokubala ikhonjiswa etafuleni ngenhla.
2.3 Ukuhlaziywa kwezindleko
Izindleko yilokho abasebenzisi bezindlu ze-Photovoltaic ezikhathazeke kakhulu ze-lamong, amamojula we-Photovoltaic kanye nama-inverters yizinto ezisetshenziswayo zemishini, nezinye izinto ezishubile njengamakholashi ahlobene nephrojekthi Ukwakhiwa.Ingengezo, abasebenzisi nabo badinga ukubheka izindleko zokugcina izitshalo zamandla ze-Photovoltaic. Izindleko zokulungiswa kwezimali ezimaphakathi cishe zingama-1% kuya ku-3% wezindleko zokutshalwa kwezimali. Ezindlekweni eziphelele, amamojula we-Photovoltaic amamojula acishe abe ngu-50% kuya ku-60%. Kususelwa ezintweni ezisetshenziswayo ezingenhla kwezindleko, intengo yamanje yezindawo ze-Photovoltaic COST Unit icishe ibe manje ekhonjisiwe etafuleni elilandelayo:
Izindleko ezilinganisiwe zezinhlelo ze-PV zokuhlala
Ngenxa yezilinganiso ezihlukile zokuhlinzeka ngokweqile, izindleko zohlelo zizohluka futhi zihluka, kufaka phakathi izakhi, kubakaki, amakheshana e-DC, nezimali zokufaka. Ngokusho kwetafula elingenhla, izindleko zezilinganiso ezahlukahlukene zokuhlinzeka ngokweqile zingabalwa, njengoba kukhonjisiwe kwisibalo esingezansi.
Izindleko zesistimu, izinzuzo kanye nokusebenza kahle ngaphansi kwezilinganiso ezihlukile zokugcwala ngokweqile
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Ukuhlaziywa Kwezinzuzo Engezelelwe
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Kungabonakala ekuhlaziyweni okungenhla okuthi yize ukukhiqizwa kwamandla minyaka yonke nakho kuzokwanda ngokwanda kwesilinganiso sokuhlinzeka ngokweqile, izindleko zokutshalwa kwezimali nazo zizokwanda. Ngaphezu kwalokho, itafula elingenhla libonisa ukuthi ukusebenza kahle kohlelo kungcono kakhulu izikhathi eziyi-1.1 lapho kubhangqiwe.Kukhona ngokobuchwepheshe, i-1.1x Ofterweight ilungile.
Kodwa-ke, ngokombono wabatshalizimali, akwanele ukubheka ukwakheka kwezinhlelo ze-Photovoltaic kusuka kumbono wezobuchwepheshe. Kuyadingeka futhi ukuhlaziya umthelela wokwabiwa ngokweqile kwimali engenayo yokutshala imali ngokombono wezomnotho.
Ngokwezindleko zokutshalwa kwemali kanye nemali engenayo yokuthola amandla ngaphansi kwalezi zilinganiso ezihlukile zamandla ahlukile, izindleko ze-KWH zohlelo lweminyaka engama-20 kanye nezinga langaphakathi lentela elingabalwa.
I-LCOE ne-IRR ngaphansi kwezilinganiso ezihlukile zokugcwala ngokweqile
Njengoba kungabonakala kusuka kulesi sibalo esingenhla, lapho isilinganiso sokwabiwa kwamandla sincane, isizukulwane samandla kanye nemali engenayo yohlelo ngokwanda ngokwanda kwesilinganiso sokwabiwa kwamakhono, kanye nemali ekhuphukayo ngalesi sikhathi ingamboza izindleko ezengeziwe ngenxa ye Ukwabiwa Kwezabelomali Lapho isilinganiso samandla singu-1.5, isilinganiso sangaphakathi sokubuyisa i-Ir of System System ngobukhulu. Ngakho-ke, kusuka endaweni yokubuka ezomnotho, 1.5: 1 iyisilinganiso esifanele salolu hlelo.
Ngendlela efanayo naleyo engenhla, isilinganiso esifanele samandla ohlelweni ngaphansi kwamakhono ahlukene sibalwa ngokombono womnotho, futhi imiphumela imi ngale ndlela elandelayo:
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Iqhingivu
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Ngokusebenzisa idatha ye-solar Resource of Shandong, ngaphansi kwemibandela yezilinganiso ezihlukile zamandla, amandla e-photovoltaic module okukhishwe kufinyelela i-inverter ngemuva kokuthola okulahlekile. Lapho isilinganiso samandla singu-1.1, ukulahleka kwesistimu kuncane kakhulu, futhi izinga lokusetshenziswa kwengxenye liphezulu kakhulu ngalesi sikhathi. . Lapho uklama uhlelo lwe-Photovoltaic, hhayi kuphela izinga lokusetshenziswa kwezakhi ngaphansi kwezici zobuchwepheshe okufanele zibhekwe, kodwa futhi nomnotho uyisihluthulelo sokwakhiwa kwephrojekthi.Ngokubala kwezomnotho, uhlelo lwe-8kw 1.3 lunguzomnotho kakhulu lapho kuhlinzekwa kakhulu, uhlelo lwe-10kW 1.2 lukhona kakhulu lapho kuhlinzekwa kakhulu, futhi uhlelo lwe-15kw 1.2 lunguzomnotho kakhulu lapho kuhlinzekwa kakhulu khona .
Lapho indlela efanayo isetshenziselwa ukubalwa kwezomnotho kwezilinganiso zamandla embonini nasezentengiselwano, ngenxa yokwehliswa kwezindleko zatt ngakunye kohlelo, isilinganiso esifanele sezomnotho sizobe siphakeme. Ngaphezu kwalokho, ngenxa yezizathu zemakethe, izindleko ze-Photovoltaic Systems zizohluka kakhulu, okuzophazamisa kakhulu ukubalwa kwezilinganiso zamandla afanele. Lesi futhi siyisizathu esiyisisekelo esenza amazwe ahlukahlukene akhiphe imingcele ekulinganiseni umthamo wokuqamba kwezinhlelo ze-Photovoltaic.
Isikhathi sePosi: Sep-28-2022