2021-10-30
Kwisiqingatha sokuqala se-2021, amandla e-photovoltaic esanda kufakwa kwi-13.01GW, ukuza kuthi ga ngoku, umthamo wesizwe ofakiweyo wokuvelisa amandla e-photovoltaic ufikelele kwi-268GW.Ngokuphunyezwa komgaqo-nkqubo othi "3060 Carbon Peak Carbon Neutrality", iiprojekthi zokukhuthaza kwisiphaluka ngokubanzi ziya kusasazwa kulo lonke ilizwe, kwaye omnye umjikelo wokwakhiwa kwe-photovoltaic omkhulu ufikile.Kwiminyaka elandelayo, i-photovoltaics iya kungena kwixesha elizayo lophuhliso olukhawulezayo.
Ngelo xesha, izityalo zamandla e-photovoltaic ezazakhiwe ngaphambili kwaye zixhunywe kwigridi nazo ziqalise ukungena kwisigaba sokusebenza esizinzile, kunye nezixhobo zombane ze-PV ezakhiwe kwizigaba zokuqala ziye zagqiba ukubuyiswa kweendleko.
Amehlo abatyali-mali baye batshintsha ngokuthe ngcembe ukusuka kwinqanaba lokuqala lotyalo-mali kunye nophuhliso kunye nokwakhiwa ukuya kwinqanaba lokugqibela lokusebenza, kwaye ukucinga ngokwakhiwa kwezityalo zamandla e-photovoltaic ziye zatshintsha ngokuthe ngcembe ukusuka kwixabiso eliphantsi lotyalo-mali kwinqanaba lokuqala ukuya kweyona ndleko iphantsi. yombane kumjikelo wobomi bonke.Oku kufuna ukuba uyilo lwezikhululo zombane zePV, ukukhethwa kwezixhobo, umgangatho wokwakha, kunye nokuhlolwa kwesebe lokusebenza kuya kuba kubaluleke ngakumbi nangakumbi.
Iindleko ezilinganisiweyo nge-kilowatt-yure (LCOE) yezityalo zamandla e-photovoltaic zihlawulwa ngakumbi nangakumbi ingqwalasela kweli nqanaba, ngakumbi kwixesha langoku lokulingana.
Ukususela ekuphuhlisweni okunamandla kwe-photovoltaics kwiminyaka yamuva nje, kunokubonwa ukuba iindleko ze-BOS ekuphuhliseni kunye neendleko zokwakha izityalo zamandla e-photovoltaic ziye zaxinzelelwa ngokugqithiseleyo, kwaye igumbi lokunciphisa lincinci kakhulu.Inokubonwa kwifomula yokubala yeLCOE engentla ukuba ukunciphisa i-LCOE, sinokuqala kuphela kwiinkalo ezintathu: ukunciphisa iindleko zokwakha, ukwandisa ukuveliswa kwamandla, kunye nokunciphisa iindleko zokusebenza.
Iindleko zenkxaso-mali, iindleko zemathiriyeli yezixhobo, kunye neendleko zokwakha zezona nxalenye ziphambili zeendleko zokwakha izityalo zamandla elanga zePV.Ngokumalunga nezixhobo zezixhobo, iindleko zinokuncitshiswa ngokukhethaiingcingo ze-aluminiyam pvkwayeiibhokisi zokuhlangana, oku kuchazwe ngokweenkcukacha kwiindaba zangaphambili.Ukongezelela, kunokunciphisa iindleko zokwakha ngokwembono yokunciphisa ukusetyenziswa kwezixhobo kunye nezinto eziphathekayo.
Isikimu soyilo samandla ombane aphezulu, i-sub-array enkulu kunye nomlinganiselo womthamo ophezulu wamkelwa ukunciphisa iindleko zokwakha inkqubo.I-voltage ephezulu inokunyusa umthamo wangoku wokuthwala umgca kunye nomthamo wokuhanjiswa kwenkqubo ye-1500V yi-1.36 amaxesha enkqubo ye-1100V yentambo yenkcazo efanayo, enokugcina ngokufanelekileyo ukusetyenziswa kweentambo ze-photovoltaic.
Ukwamkela isicwangciso soyilo lwe-sub-array enkulu kunye ne-high-capacity ratio, ukunciphisa inani le-sub-arrays kwiprojekthi yonke kunokugcina ngokufanelekileyo ukusetyenziswa kunye nokufakwa kwebhokisi-uhlobo lwesubstations kwindawo ye-photovoltaic, ngaloo ndlela ukunciphisa iindleko zokwakha inkqubo. .Umzekelo, isikhululo samandla esili-100MW sithelekisa umthamo ongaphantsi koluhlu kunye nomlinganiselo womthamo, njengoko kubonisiwe kolu luhlu lulandelayo:
| Uhlalutyo lokusetyenziswa kwezixhobo zombane kwindawo ye-PV ye-100MW yesikhululo samandla se-PV | ||||
| Umthamo ongaphantsi koluhlu | 3.15MW | 1.125MW | ||
| Ubungakanani bomthamo | 1.2:1 | 1:1 | 1.2:1 | 1:1 |
| Inani leenkqutyana | 26 | 31 | 74 | 89 |
| Inani lee-Inverters kwi-Single Sub-array | 14 | 14 | 5 | 5 |
| 3150KVA Transformer Ubungakanani | 26 | 31 | / | / |
| Inani le-1000KVA Transformers | / | / | 83 | 100 |
Inokubonwa kwitheyibhile engentla ukuba phantsi komlinganiselo ofanayo womthamo, iskimu esikhulu se-sub-array senza inani le-sub-arrays yeprojekthi yonke ibe yincinci, kunye nenani elincinci le-sub-arrays lingagcina ukusetyenziswa kwebhokisi utshintsho kwaye ulwakhiwo oluhambelanayo kunye nofakelo;Ngaphantsi komthamo, iskimu somlinganiselo ophezulu womthamo unokunciphisa inani le-sub-arrays, ngaloo ndlela igcina inani le-inverters kunye neebhokisi zebhokisi.Ke ngoko, kuyilo lwezityalo zamandla e-photovoltaic, ubungakanani bomthamo kunye nendlela yokusebenzisa i-sub-arrays enkulu kufuneka inyuswe kangangoko kunokwenzeka ngokwezinto ezinjengokukhanya, ubushushu be-ambient, kunye nomhlaba weprojekthi.
Kwisikhululo samandla esiphantsi, iimodeli eziphambili kweli nqanaba yi-225Kw series inverter kunye ne-3125kw centralized inverter.Ixabiso leyunithi ye-series inverter liphezulu kancinane kunelo loguqulo oluphakathi.Nangona kunjalo, iskimu sokulungiswa kwendawo esembindini ye-series inverter inokunciphisa ngokufanelekileyo ukusetyenziswa kweentambo ze-AC, kwaye inani elincitshisiweyo leentambo ze-AC linokuphelisa ngokupheleleyo umahluko wexabiso phakathi kwe-series inverter kunye ne-centralized inverter.
Ulungelelwaniso oluphakathi lwee-inverters zentambo kunokunciphisa iindleko ze-BOS nge-0.0541 yuan / W xa kuthelekiswa nokuhlelwa kwendabuko, kunye nokunciphisa iindleko ze-BOS nge-0.0497 yuan / W xa kuthelekiswa nesisombululo se-inverter esiphakathi.Ingabonwa ukuba ilungiselelo eliphakathi kweentambo kunokunciphisa kakhulu iindleko ze-BOS.Kwixesha elizayo le-300kW+ ii-inverters zomtya, isiphumo sokunciphisa iindleko kuyilo olusembindini lucace ngakumbi.
Indlela yokunyusa ukuveliswa kwamandla kwizikhululo zamandla ze-PV ziye zaba lelona khonkco libalulekileyo ekunciphiseni i-LCOE.Ukuqala kuyilo lwenkqubo yokuqala, uyilo lwenkqubo ye-photovoltaic kufuneka igqitywe kwimbono yokwandisa ixabiso le-PR, ukwenzela ukwandisa ukuveliswa kwamandla.Kwinqanaba lokugqibela, ukusebenza kunye nokugcinwa kuyadingeka ukuze kuqinisekiswe ukusebenza kakuhle kwezityalo zamandla e-photovoltaic.
Izinto eziphambili ezichaphazela ixabiso le-PR leenkqubo zokuvelisa amandla e-photovoltaic zizinto zokusingqongileyo kunye nezixhobo zokusebenza.Ngenxa yempembelelo yezinto ezisingqongileyo, i-angle inclination yemodyuli, utshintsho lweempawu zeqondo lokushisa kwimodyuli, kunye nokusebenza kakuhle kokuguqulwa kwe-inverter yonke into echaphazela ngqo ixabiso le-PR lenkqubo ye-photovoltaic.Ukukhetha amacandelo e-coefficient yeqondo lokushisa eliphantsi kwiindawo ezinokushisa okuphezulu, kunye nokukhetha i-coefficient ye-coefficient components kwiindawo ezinokushisa okuphantsi kunokunyusa ukulahleka kokusebenza okubangelwa ukunyuka kweqondo lokushisa;sebenzisa ii-inverters zentambo ezinokuguqulwa okuphezulu kunye neMPPT ezininzi Kwaye ezinye iimpawu ziphucula ukuguqulwa kwe-DC / AC.
Emva kokubala umgama phakathi kwemigca yangaphambili nangemuva usebenzisa i-angle yokuthambekela engcono kakhulu, ukunciphisa ngokufanelekileyo i-angle yokufakela imodyuli ngo-3 ukuya ku-5 °, enokunyusa ngokufanelekileyo ixesha lokukhanya ebusika.
Sebenzisa ngokupheleleyo iqonga elikrelekrele lokusebenza kunye nokugcinwa kweqonga, ukuhlolwa rhoqo kwisigaba sokusebenza kunye nokugcinwa, kunye nokuhlolwa kwezixhobo rhoqo, kwaye usebenzise iinkqubo eziphambili zokuhlalutya idatha, iinkqubo zokuxilongwa kwe-IV kunye neminye imisebenzi ukufumana ngokukhawuleza izixhobo eziphosakeleyo kwiindawo eziphosakeleyo, ukuphucula ukusebenza. kunye nokugcinwa kakuhle, kunye nokuqinisekisa ukusebenza kakuhle kwezixhobo.
Iindleko eziphambili zezityalo zamandla e-photovoltaic kwinqanaba lokusebenza zibandakanya imivuzo yabasebenzi kunye nokugcinwa kwabasebenzi, iindleko zokugcinwa kwezixhobo, kunye nerhafu yexabiso lombane.
Ukulawulwa kwenkcitho yomvuzo yokusebenza kunye nokugcinwa kwabasebenzi kunokuphuculwa ukusuka kwisakhiwo sabasebenzi ukuqinisekisa ukuthatha inxaxheba kwe-1 ukuya kwi-2 yokusebenza kunye nokugcinwa kwabasebenzi abanobuchwephesha obunamandla kakhulu, ukwakha inkqubo yokuhlalutya idatha esebenzayo nethembekileyo, kunye nokwamkela iindlela zesayensi kunye neenkqubo zokulawula. ukufezekisa ubukrelekrele Ukusebenza kunye nokugcinwa akunakunciphisa kuphela inani labasebenzi abaqhelekileyo kunye nokugcinwa, kodwa nokuphucula ukusebenza kakuhle kunye nokugcinwa, ukunciphisa iindleko zokusebenza kunye nokugcinwa kweendleko, ukufikelela ngokwenene kumthombo ovulekileyo kunye nokunciphisa inkcitho, kwaye ekugqibeleni bangabikho.
Ukugcina iindleko zokugcinwa kwezixhobo, kufuneka siqale sijonge ixesha lokwakhiwa kweprojekthi kwaye sikhethe iimpawu ezaziwayo-kakuhle (ezifana ne-slocable) kwaye kulula ukugcina iimveliso zezixhobo zombane (ezifana ne-GIS, inverter yochungechunge kunye nezinye iimveliso ezikhululekile zokugcinwa).Izixhobo zombane kunye neentambo ze-photovoltaic ziya kulinganiswa rhoqo, kwaye iingxaki ezinokubakho ziya kulungiswa kwaye zitshintshwe ngexesha.Ukunciphisa iindleko zokulungisa izixhobo okanye ukuphelisa ukutshintshwa kwezixhobo.
Irhafu yexabiso elongeziweyo lombane igcinwa ngokufanelekileyo irhafu, ulawulo lwemali lwenziwa ngexesha loxolo, kwaye irhafu yegalelo ngexesha lokwakha kunye nexesha lokusebenza kunye nokugcinwa ngokufanelekileyo isetyenziselwa ukutsala, ngakumbi inkcitho echithakeleyo ngexesha lokusebenza kunye nokugcinwa.Imali enye ayikho enkulu, kodwa isixa esipheleleyo Ayincinci, kuyimfuneko ukufumana ii-invoyisi zerhafu ezikhethekileyo zokutsalwa kwerhafu yexabiso elongezelelweyo kwiibhili zombane, kunye nokunciphisa irhafu eyongeziweyo kwiibhili zombane ngokufanelekileyo. ukusuka kancinci kancinci, kwaye ugcine ixabiso elidala.
Ukucuthwa kweendleko zokusebenza kuyila yonke imiba kwaye kancinci kancinci kumjikelo wobomi besikhululo samandla.Iindawo ezininzi ezingabonakaliyo zihlala zinganakwa, kwaye ukuqokelela kweenzuzo ezincinci kunokubangela ilahleko enkulu ngexesha lokusebenza.
Ngamafutshane, phantsi kwendlela yangoku yokulinganisa kwi-intanethi, akukho ngeniso yenkxaso-mali, kwaye ukunciphisa i-LOCE kuye kwaba yindlela ebalulekileyo yokufumana ukubuyiswa kweendleko kwangaphambili kunye nokuzuza inzuzo.Kwi-LCOE, ukususela ekuqaleni kokwakhiwa ukuya ekupheleni komsebenzi, ngumbono womjikelezo wobomi bonke besityalo samandla e-photovoltaic.Emva koko, i-LCOE efanelekileyo esiyisukelayo kukwandisa ukuveliswa kwamandla kunye nokunciphisa ngokuthe ngcembe iindleko zokwakha nokusebenza.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
Yongeza:I-Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, iCandelo leHongmei, iWangsha Road, iDolophu yaseHongmei, iDongguan, iGuangdong, iChina
I-TEL: 0769-22010201
