2021-10-30
Mu theka loyamba la 2021, mphamvu ya photovoltaic yatsopano ya 13.01GW, mpaka pano, mphamvu yoyika dziko lonse ya photovoltaic power generation yafika 268GW.Ndi kukhazikitsidwa kwa ndondomeko ya "3060 Carbon Peak Carbon Neutrality", ntchito zopititsa patsogolo chigawo chonse zidzafalikira m'dziko lonselo, ndipo ntchito ina yaikulu yomanga ma photovoltaic yafika.M'zaka zotsatira, photovoltaics idzalowa mu nthawi yotsatira ya chitukuko chofulumira.
Panthawi imodzimodziyo, magetsi a photovoltaic omwe adamangidwa kale ndi olumikizidwa ku gridi ayambanso kulowa mu siteji yogwira ntchito yokhazikika, ndipo ngakhale magetsi a PV omwe adamangidwa kumayambiriro amaliza kubweza ndalama.
Maso a osunga ndalama asintha pang'onopang'ono kuchokera kumayambiriro kwa ndalama ndi chitukuko ndi zomangamanga mpaka kumapeto kwa ntchito, ndipo kuganiza kwa zomangamanga kwa magetsi a photovoltaic kwasintha pang'onopang'ono kuchokera ku mtengo wotsika kwambiri wa ndalama kumayambiriro kwa ndalama zotsika mtengo. magetsi m'moyo wonse.Izi zimafuna kuti mapangidwe a malo opangira magetsi a PV, kusankha zida, mtundu wa zomangamanga, ndi kuwunika kwa nthambi zogwirira ntchito zikukhala zofunika kwambiri.
Mtengo wokhazikika pa kilowatt-ola (LCOE) yamagetsi opangira mphamvu ya photovoltaic ukukulitsidwa kwambiri panthawiyi, makamaka munthawi yaparity.
Kuchokera pakukula kwamphamvu kwa photovoltaics m'zaka zaposachedwa, zikhoza kuwoneka kuti mtengo wa BOS pa chitukuko ndi zomangamanga zopangira magetsi a photovoltaic zapanikizidwa kwambiri, ndipo chipinda chochepetsera chimakhala chochepa kwambiri.Zitha kuwoneka kuchokera ku ndondomeko ya kuwerengera ya LCOE yomwe ili pamwambayi kuti kuchepetsa LCOE, tingayambe kuchokera kuzinthu zitatu: kuchepetsa ndalama zomanga, kuonjezera mphamvu zamagetsi, ndi kuchepetsa ndalama zogwirira ntchito.
Mtengo wandalama, mtengo wazinthu zamagetsi, ndi mtengo womanga ndizo zikuluzikulu zamtengo wopangira magetsi a solar PV.Pankhani ya zida za zida, mtengo ukhoza kuchepetsedwa posankhaaluminium pv wayandimabokosi opatukana, izi zafotokozedwa mwatsatanetsatane m'nkhani zam'mbuyo.Kuphatikiza apo, imathanso kuchepetsa ndalama zomanga potengera kuchepetsa kugwiritsa ntchito zida ndi zida.
Mapangidwe amagetsi okwera kwambiri, ma sub-array ndi kuchuluka kwamphamvu amatengedwa kuti achepetse mtengo womanga dongosolo.Mpweya wapamwamba ukhoza kuonjezera mphamvu yonyamulira ya mzerewu ndipo mphamvu yotumizira ya 1500V ndi nthawi 1.36 ya dongosolo la 1100V la chingwe chofanana, chomwe chingapulumutse bwino kugwiritsa ntchito zingwe za photovoltaic.
Kutengera dongosolo lamapangidwe a magawo akulu akulu komanso kuchuluka kwamphamvu, kuchepetsa kuchuluka kwa magawo ang'onoang'ono pantchito yonseyo kumatha kupulumutsa bwino kugwiritsa ntchito ndi kukhazikitsa magawo amtundu wa bokosi m'dera la photovoltaic, potero kuchepetsa mtengo womanga dongosolo. .Mwachitsanzo, siteshoni yamagetsi ya 100MW imafanizitsa magawo ang'onoang'ono osiyanasiyana komanso kuchuluka kwa mphamvu, monga momwe tawonetsera patebulo ili:
| Kuwunika kwa kugwiritsa ntchito zida zamagetsi m'dera la PV la 100MW PV power station | ||||
| Mphamvu ya sub-array | 3.15 MW | 1.125 MW | ||
| Chiwerengero cha Mphamvu | 1.2:1 | 1:1 | 1.2:1 | 1:1 |
| Chiwerengero cha Ma sub-arrays | 26 | 31 | 74 | 89 |
| Chiwerengero cha Ma Inverters mu Gulu Laling'ono Limodzi | 14 | 14 | 5 | 5 |
| 3150KVA Transformer Kuchuluka | 26 | 31 | / | / |
| Chiwerengero cha 1000KVA Transformers | / | / | 83 | 100 |
Zitha kuwoneka kuchokera pa tebulo pamwambapa kuti pansi pa chiŵerengero cha mphamvu zomwezo, dongosolo lalikulu laling'ono laling'ono limapangitsa kuti chiwerengero cha magulu ang'onoang'ono a polojekiti yonse akhale ang'onoang'ono, ndipo chiwerengero chochepa chamagulu ang'onoang'ono chingathe kupulumutsa kugwiritsa ntchito kusintha kwa bokosi ndi kusintha. yolingana yomanga ndi unsembe;Pansi pa mphamvu, dongosolo lachiŵerengero chapamwamba lingathenso kuchepetsa chiwerengero cha magulu ang'onoang'ono, potero kupulumutsa chiwerengero cha ma inverters ndi ma transformer a bokosi.Choncho, popanga mapangidwe a magetsi a photovoltaic, chiwerengero cha mphamvu ndi njira yogwiritsira ntchito zigawo zazikuluzikulu ziyenera kuwonjezeka momwe zingathere malinga ndi zinthu monga kuwala, kutentha kozungulira, ndi malo a polojekiti.
Pamalo opangira magetsi, mitundu yodziwika bwino pakadali pano ndi inverter ya 225Kw ndi inverter yapakati ya 3125kw.Mtengo wa unit of series inverter ndi wokwera pang'ono kuposa wa centralized inverter.Komabe, kukhathamiritsa chiwembu chapakati masanjidwe a mndandanda inverter akhoza bwino kuchepetsa ntchito zingwe AC, ndi kuchepetsa kuchuluka kwa zingwe AC akhoza kuthetsa kwathunthu kusiyana mtengo pakati pa mndandanda inverter ndi centralized inverter.
Makonzedwe apakati a ma inverters a zingwe amatha kuchepetsa mtengo wa BOS ndi 0.0541 yuan/W poyerekeza ndi masanjidwe achikhalidwe, ndikuchepetsa mtengo wa BOS ndi 0.0497 yuan/W poyerekeza ndi yankho lapakati pa inverter.Zitha kuwoneka kuti makonzedwe apakati a zingwe amatha kuchepetsa kwambiri mtengo wa BOS.Kwa ma inverters a zingwe a 300kW + amtsogolo, kutsika mtengo kwa masanjidwe apakati kumawonekera kwambiri.
Momwe mungakulitsire mphamvu zopangira magetsi a PV kwakhala ulalo wofunikira kwambiri pakuchepetsa LCOE.Kuyambira pamapangidwe oyambirira a dongosolo, mapangidwe a photovoltaic system ayenera kutsimikiziridwa kuchokera pakuwona kuwonjezeka kwa mtengo wa PR, kuti awonjezere mphamvu zamagetsi.M'kupita kwanthawi, ntchito ndi kukonza ndizofunikira kuti zitsimikizire kuti magetsi a photovoltaic akuyenda bwino.
Zinthu zazikulu zomwe zimakhudza mtengo wa PR wamagetsi opangira magetsi a photovoltaic ndi zinthu zachilengedwe komanso zida.Chifukwa cha chikoka cha zinthu zachilengedwe, mbali yokhotakhota ya module, kusintha kwa kutentha kwa gawoli, komanso kusinthika kwa inverter zonse zimakhudza mwachindunji mtengo wa PR wa photovoltaic system.Kusankha zigawo zochepetsera kutentha kwa kutentha m'madera omwe ali ndi kutentha kwakukulu, ndikusankha zigawo za kutentha kwapamwamba m'madera omwe ali ndi kutentha kochepa kungapangitse kuwonongeka kwachangu chifukwa cha chigawo cha kutentha;gwiritsani ntchito ma inverters a zingwe omwe ali ndi kutembenuka kwakukulu komanso ma MPPT angapo Ndipo mawonekedwe ena amathandizira kusinthika kwa DC/AC.
Mutatha kuwerengera mtunda pakati pa mizere yakutsogolo ndi yakumbuyo pogwiritsa ntchito njira yabwino kwambiri yolowera, chepetsani kuyika kwa gawoli ndi 3 mpaka 5 °, zomwe zitha kuwonjezera nthawi ya kuwala kwa nyengo yozizira.
Gwiritsani ntchito bwino nsanja yanzeru yoyendetsera ntchito ndi kukonza, kuyang'anira nthawi zonse pagawo loyendetsa ndi kukonza, ndikuwunika pafupipafupi zida, ndikugwiritsa ntchito njira zazikulu zowunikira deta, makina ozindikira matenda a IV ndi ntchito zina kuti apeze zida zolakwika m'malo olakwika, kukonza magwiridwe antchito. ndi kukonza bwino, ndikuwonetsetsa kuti zida zikuyenda bwino.
Mtengo waukulu wamafakitale opangira magetsi a photovoltaic pagawo la opareshoni umaphatikizapo malipiro a ogwira ntchito ndi kukonza, ndalama zokonzera zida, komanso msonkho wowonjezera wamagetsi.
Kuwongolera ndalama zamalipiro ogwirira ntchito ndi kukonza ogwira ntchito kumatha kuwongoleredwa kuchokera pagulu la ogwira ntchito kuti awonetsetse kutengapo gawo kwa ogwira ntchito 1 mpaka 2 ogwira ntchito ndi osamalira omwe ali ndi ukadaulo waluso kwambiri, kupanga njira yowunikira deta yodalirika komanso yodalirika, ndikutengera njira zasayansi ndi machitidwe oyang'anira. kuti tikwaniritse luntha Kugwira ntchito ndi kukonza sikungangochepetsa kuchuluka kwa ogwira ntchito wamba ndi kukonza, komanso kuwongolera magwiridwe antchito ndi kukonza, kuchepetsa ndalama zogwirira ntchito ndi kukonza, kukwaniritsa gwero lotseguka ndikuchepetsa ndalama, ndipo pamapeto pake kukhala osayang'aniridwa.
Kupulumutsa ndalama kukonza zipangizo, choyamba tiyenera fufuzani nthawi yomanga polojekiti ndi kusankha zopangidwa odziwika bwino (monga slocable) ndi zosavuta kukhalabe zipangizo zamagetsi zipangizo (monga GIS, mndandanda inverter ndi zina makamaka kukonza katundu ufulu).Zida zamagetsi ndi zingwe za photovoltaic ziyenera kuyesedwa nthawi zonse, ndipo mavuto omwe angakhalepo adzakonzedwa ndikusinthidwa nthawi.Chepetsani mtengo wokonzanso zida kapena kuchotsani zida m'malo.
Misonkho yamtengo wapatali yamagetsi ndiyo kupulumutsa misonkho momveka bwino, kasamalidwe ka ndalama kamachitika mu nthawi yamtendere, ndipo msonkho wazinthu pa nthawi yomanga ndi nthawi yogwira ntchito ndi yosamalira umagwiritsidwa ntchito moyenera kuchotsera, makamaka ndalama zomwe zimabalalika panthawi yantchito ndi kukonza.Ndalama imodzi si yaikulu, koma ndalama zonse Sizing'onozing'ono, m'pofunika kupeza ma invoice apadera a msonkho wamtengo wapatali kwa kuchotsera msonkho wamtengo wapatali pamagetsi a magetsi, ndi kuchepetsa msonkho wamtengo wapatali pamagetsi opangira magetsi. kuchokera pang'onopang'ono, ndikusunga mtengo wakale.
Kutsika kwa ndalama zogwirira ntchito kumapanga mbali zonse ndi pang'onopang'ono pa moyo wa siteshoni yamagetsi.Malo ambiri osawoneka bwino nthawi zambiri amanyalanyazidwa, ndipo kudzikundikira kwa phindu laling'ono kungayambitse kutaya kwakukulu panthawi yogwira ntchito.
Mwachidule, pansi pa njira yomwe ilipo pa intaneti, palibe ndalama zothandizira, ndipo kuchepetsa LOCE kwakhala njira yofunikira yopezera ndalama mwamsanga ndikupindula.Kwa LCOE, kuyambira pachiyambi cha zomangamanga mpaka kumapeto kwa ntchito, ndilo lingaliro la moyo wonse wa magetsi a photovoltaic.Kenako, LCOE yabwino kwambiri yomwe timatsata ndikuwonjezera mphamvu zamagetsi ndikuchepetsa pang'onopang'ono ndalama zomanga ndi ntchito.
Dongguan Slocable Photovoltaic Technology Co., LTD.
Onjezani: Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
TEL: 0769-22010201
