1500Vdc kunyorera mu photovoltaic system
Kuderedza mutengo uye kuwedzera kushanda kwagara kuri iko kutungamira kwekuedza kwevanhu magetsi
1500VDC maitiro uye sarudzo isingadzivisike yesystem system
Kuderedza mutengo uye kuwedzera kushanda kwagara kuri iko kutungamira kweveMagetsi kuedza kwevanhu. Pakati pavo, basa rehunyanzvi hwekugadzira zvinhu rakakosha. Muna 2019, neChina inowedzera rubatsiro, 1500Vdc ine tariro huru.
Zvinoenderana nedatha reHS kubva kusangano rekutsvaga nekuongorora, iyo 1500Vdc system yakatanga kurongwa muna2012, uye FirstSolar yakaisa mari yekutanga 1500Vdc photovoltaic simba chirimwa pasirese muna 2014. MunaNdira 2016, yekutanga imba 1500Vdc yekuratidzira chirongwa Golmud Sunshine Qiheng Nyowani Simba Golmud 30MW Photovoltaic Power Generation Project yaive yakabatana zviri pamutemo kune grid yekugadzira magetsi, zvichiratidza kuti yekushandisa 1500Vdc yekushandisa mu photovoltaic system yakanyatsopinda padanho rekushandisa kukuru kwekuratidzira. Makore maviri gare gare, mu2018, 1500Vdc tekinoroji yakashandiswa pamwero mukuru pasirese uye mudzimba. Pakati pechikamu chechitatu chemapurojekiti anotungamira epamba akatanga kuvaka mu2018, chirongwa cheGolmud nemutengo wakaderera kwazvo (0.31 yuan / kWh), pamwe neiyo GCL Delingha neChint Baicheng mapurojekiti ese akagamuchira tekinoroji ye1500Vdc. Zvichienzaniswa neyakajairwa 1000Vdc photovoltaic system, iyo 11500Vdc application mune iyo photovoltaic system yave ichishandiswa zvakanyanya munguva pfupi yapfuura. Ipapo isu tinogona nyore kuve nemibvunzo yakadaro:
Nei uchiwedzera magetsi kubva ku1000Vdc kusvika ku1500Vdc?
Kunze kweiyo inverter, zvimwe zvimwe zvigadzirwa zvemagetsi zvinomira nemhepo yakakwira ye1500Vdc?
Inoshanda sei iyo 1500Vdc system mushure mekushandisa?
1. Unyanzvi hwakanakira nekukanganisa kwe 1500Vdc kunyorera mu photovoltaic system
kuongorora mukana
1) Deredza huwandu hwejunction bhokisi uye DC tambo
Mu "Code for Dhizaini ye Photovoltaic Power Zvirimwa (GB 50797-2012)", kuenderana kwemafotovoltaic ma module nema inverter anofanirwa kutevedzera zvinotevera fomula kazhinji zvikamu makumi maviri nezviviri, nepo tambo yega yega ye1000Vdc system inogona kubvumidza zvikamu makumi matatu nezviviri.
Kutora 285W module 2.5MW simba rekugadzira unit uye tambo inverter semuenzaniso, 1000Vdc system:
Makumi mana neshanu photovoltaic tambo, mazana masere negumi nemapfumbamwe enheyo yemurwi
34 seti ye 75kW tambo inverter
1500Vdc maitiro:
Makumi mazana maviri neshanu emapikicha emifananidzo tambo
700 mapaundi emurwi hwaro
14 seti ye75kW tambo inverters
sezvo kuwanda kwetambo kwadzikira, huwandu hwetambo dzeDC dzakabatana pakati pezvinhu uye tambo dze AC pakati pematambo uye inverters zvichadzikiswa.
2) Deredza DC mutsara kurasikirwa
= P = IRI = P / U
Increases U inowedzera nehafu nehafu → Ndinova (1.5 / 1) → P inova 1.5 / 1
= R = ρL / S DC tambo L inova 0.67, 0.5 zvakapetwa neyekutanga
∴ R (1500Vdc) <0.67 R (1000Vdc)
Mukupfupisa, iyo 1500VdcP yeiyo DC chikamu ingangoita 0.3 nguva iyo 1000VdcP.
3) Deredza imwe huwandu hweinjiniya uye kutadza chiyero
Nekuda kwekudzikiswa kwehuwandu hwetambo dzeDC nemabhokisi ejunction, huwandu hwesimbi tambo uye junction bhokisi wiring yakaiswa panguva yekuvaka ichaderedzwa, uye aya maviri mapoinzi anokundikana. Naizvozvo, 1500Vdc inogona kudzora imwe yekundikana chiyero.
4) Deredza kudyara
Kuwedzera huwandu hweyechete-tambo zvinhu zvinogona kudzora mutengo weiyo imwechete watt. Misiyano mikuru huwandu hwenheyo dzemurwi, hurefu hwetambo mushure mekusangana kweDC, uye huwandu hwemabhokisi emajoinhi (epakati).
Yakanangana neiyo 22-tambo scheme ye1000Vdc system, iyo 32-tambo scheme yeiyo 1500Vdc system inogona kuchengetedza nezve 3.2 poindi / W yetambo uye murwi hwaro.
Kukanganisa kuongororwa
1) Kuwedzera zvinodiwa zvemidziyo
Zvichienzaniswa neiyo 1000Vdc system, iyo voltage yakawedzera kusvika ku1500Vdc ine chinetso chakakura pamafariji edunhu, mafiyuzi, magetsi ekudzivirira mheni uye switching magetsi emagetsi, uye kuisa kumberi zvinodikanwa zvekumira voltage uye kuvimbika, uye iyo yeyuniti mutengo wemidziyo ichawedzerwa .
2) Yakakwirira kuchengeteka zvinodiwa
Mushure mekuwedzera kwemagetsi kusvika pa1500Vdc, njodzi yekuparara kwemagetsi inowedzerwa, nekudaro ichivandudza kuchengetedzwa kwekudzivirira uye kubvumidzwa kwemagetsi. Uye zvakare, kana tsaona ikaitika padivi reDC, inotarisana nematambudziko ekutsakatika kweDC arc. Naizvozvo, iyo 1500Vdc system inowedzera sisitimu yekuchengetedza chengetedzo zvinodiwa.
3) Wedzera mukana weiyo PID mhedzisiro
Mushure meiyo photovoltaic ma module akabatanidzwa mune akateedzana, iyo yekudonha yazvino yakaumbwa pakati pemasero eiyo yepamusoro-voltage module uye pasi chinhu chakakosha chikonzero chePID mhedzisiro. Mushure mekuwedzera kwemagetsi kubva pa1000Vdc kusvika pa1500Vdc, zviri pachena kuti mutsauko wemagetsi pakati pesero nepasi zvichawedzera, izvo zvichawedzera mukana weiyo PID mhedzisiro.
4) Wedzera kurasikirwa kunoenderana
Iko kune kumwe kurasikirwa kwekuenzanirana pakati pe photovoltaic tambo, zvinonyanya kukonzerwa nezvikonzero zvinotevera:
- Simba repafekitori eakasiyana mafotovoltaic ma module achave nekutsauka kwe 0 ~ 3%. Iyo mitswe yakaumbwa panguva yekufambisa uye yekumisikidza inokonzeresa kutsauka kwesimba.
- Kudzvanywa kusina kukwana uye kuvharika kusina kukwana mushure mekumisikidzwa kunokonzerawo kutsauka kwesimba.
- Tichifunga nezvezvinhu zviri pamusoro, kuwedzera tambo yega kubva pazvinhu makumi maviri nezviviri kusvika pazvikamu makumi matatu nezviviri zviri pachena kuchawedzera kuenderana kurasikirwa.
- Mukupindura kumatambudziko ari pamusoro e1500V, mushure memakore angangoita maviri ekutsvaga nekutsvaga, makambani emidziyo akagadzirisawo.
Chechipiri, iyo 1500Vdc photovoltaic system yakakosha michina
1. Photovoltaic module
Kutanga Solar, Artus, Tianhe, Yingli, uye mamwe makambani akatungamira mukutanga 1500Vdc photovoltaic module.
Kubva yekutanga 1500Vdc photovoltaic simba rekudyara rakapedzwa muna2014, huwandu hwekushandisa hwema 1500V masisitimu akaenderera nekuwedzera. Inotungamirwa nemamiriro ezvinhu aya, iyo IEC standard yakatanga kusanganisa 1500V zvine hukama zvakatemerwa mukuitwa kweiyo itsva standard. Muna 2016, IEC 61215 (yeC-Si), IEC 61646 (yemafirimu matete), uye IEC61730 zvikamu zvekuchengetedza zviri pasi pe1500V. Aya matatu matanho anowedzera kuyedza kwekuita uye chengetedzo bvunzo zvinodiwa zveiyo 1500V chikamu system uye kutyora yekupedzisira chipingamupinyi cheiyo 1500V zvinodiwa, izvo zvinokurudzira zvakanyanya kutevedzera kweiyo 1500V magetsi chiteshi zviyero.
Parizvino, vagadziri vekuChina vekutanga-mutsetse vagadzira zvigadzirwa zvine hunyanzvi zve1500V, zvinosanganisira zvikamu-zvine mativi, zvidimbu zvine mativi, zvikamu zviviri zvegirazi, uye vakawana chitupa chine chekuita neIEC.
Mukupindura dambudziko rePID yezvigadzirwa zve1500V, vagadziri venzvimbo varipo vanotora matanho maviri anotevera ekuona kuti kuita kwePID kwezvikamu zve1500V uye zvakajairika zvinhu zve1000V zvinoramba zviri padanho rimwe chete.
1) Nokusimudzira bhokisi rejoni uye nekugadzirisa dhizaini dhizaini kusangana ne1500V yekukwira daro uye clearance zvinoda;
2) Ukobvu hweye backplane zvinhu zvinowedzerwa ne40% kusimudzira kuputira uye kuona kuchengetedzeka kwezvinhu.
Kune iyo PID mhedzisiro, yega yega inogadzira inovimbisa kuti pasi peiyo 1500V system, chinhu ichocho chichiri kuvimbisa kuti kuderedzwa kwePID kuri pasi pe5%, kuve nechokwadi chekuti PID mashandiro echinhu chakajairika inoramba iri padanho rakaenzana.
2. Inverter
Vagadziri vekune dzimwe nyika vakaita seSMA / GE / PE / INGETEAM / TEMIC vanowanzo bura 1500V inverter mhinduro dzakatenderedza 2015. Vazhinji vagadziri vekutanga-tier vagadziri vatangisa zvigadzirwa zve inverter zvinoenderana neiyo 1500V dzakateedzana, senge Sungrow SG3125, Huawei's SUN2000HA nhevedzano, nezvimwe, uye ndivo vekutanga kuburitswa mumusika weUS.
NB / T 32004: 2013 chiyero icho zvigadzirwa zvemu inverter zvigadzirwa zvinofanirwa kusangana kana zvashambadzirwa. Chiyero chinoshanda cheyakagadziridzwa muyero inovhenekera inovhenekera giredhi-yakabatana nePV sosi wedunhu ine voltage isingapfuuri 1500V DC uye AC yekubuda voltage isingadariki 1000V. Iyo standard pachayo yatove inosanganisira iyo DC 1500V renji uye inopa bvunzo zvido zvePV wedunhu kuputika, magetsi emagetsi, chinhambwe chinhambwe, simba frequency kumira nemagetsi, uye kumwe kuyedzwa.
3. Mubatanidzwa bhokisi
Izvo zviyero zvebhokisi rinobatanidza uye yega kiyi mudziyo wagadzirira, uye 1500Vdc yapinda mubatanidzwa combiner bhokisi certification standard CGC / GF 037: 2014 "Photovoltaic combiner michina technical technical".
4.Waya
Parizvino, iyo 1500V yakajairwa tambo dze photovoltaic yakaunzwa zvakare.
5. Chinja uye kudzivirira kwemheni
Mune iyo Photovoltaic indasitiri mune 1100Vdc nguva, iyo yekubuditsa voltage yeiyo inverter inosvika 500Vac. Iwe unogona kukwereta iyo 690Vac yekuparadzira switch standard system uye zvigadzirwa zvinotsigira; kubva pa380Vac voltage kusvika 500Vac voltage, hapana chinja chinowirirana nedambudziko. Nekudaro, mukutanga kwenguva ya2015, iyo yose photovoltaic uye yekuparadzira magetsi indasitiri yakanga isina 800Vac / 1000Vac magetsi ekuparadzira magetsi uye zvimwe zvinongedzo, zvichikonzera kunetsekana mukutsigira chigadzirwa chese uye nemitengo yepamusoro yekutsigira.
Tsananguro yakazara
Iyo 1500Vdc photovoltaic system yakashandiswa zvakanyanya mhiri kwemakungwa uye yatova tekinoroji yekushandisa yakakura pasirese.
Naizvozvo, iyo hombe michina yeiyo photovoltaic system yakawana kugadzirwa kwakawanda, uye mutengo wakaderera zvakanyanya uchienzaniswa nedanho rekuratidzira muna 2016.
1500Vdc kunyorera mu photovoltaic system
Sezvambotaurwa pamusoro apa, iyo 1500Vdc photovoltaic system yakaiswa kunze kwenyika kutanga kwa2014 nekuda kwemutengo wayo wakaderera uye mukuru simba chizvarwa.
Global 1500Vdc application mune iyo photovoltaic system yekuongorora kesi
Zuva rekutanga rakazivisa muna Chivabvu 2014 kuti yekutanga 1500Vdc gwenya remagetsi rakavakwa muDeming, New Mexico yakaiswa mukushandisa. Iko kugona kwese kwechiteshi chemagetsi 52MW, 34 arrays inotora 1000Vdc chimiro, uye yakasara arrays inotora 1500Vdc chimiro.
SMA yakazivisa muna Chikunguru 2014 kuti yavo 3.2MW photovoltaic simba chirimwa chakavakwa muSandershauser Berg park park mu Niestetal, Kassel, kuchamhembe kweGerman yashandiswa, uye gwenya remagetsi rinoshandisa 1500Vdc system.
1500Vdc yave ichishandiswa zvakanyanya muzvirongwa zvine mutengo wepasi
Parizvino, LSP yakabudirira kubudirira T1 + T2 Kirasi B + C, Kirasi I + II PV yekudzivirira inodzivirira SPD 1500Vdc, 1200Vdc, 1000Vdc, 600Vdc anoshandiswa zvakanyanya mune rezuva photovoltaic simba rekugadzira.
Yakakura-pamwero 1500Vdc kunyorera mu photovoltaic system
Kwenguva yekutanga, iyo 257 MW photovoltaic simba rekugadzira projekiti yeFu An Hua Hui muVietnam yakabudirira kubatanidzwa kune grid. Yese 1500V mudziyo-mhando inverter nhanho-kumusoro yakasanganiswa mhinduro dzakashandiswa kubudirira kuwana kugamuchirwa kubva dhizaini, kuvaka kune gridhi yekubatanidza. Iyo purojekiti iri muHuahui Town, Fuhua County, Phu An Province, Vietnam, uye ndeyenzvimbo yepakati neyemaodzanyemba emahombekombe. Tichifunga nezve nharaunda yenzvimbo uye hupfumi hweprojekti, mutengi weprojekiti akazosarudza iyo 1500V mudziyo-mhando inverter inowedzeredza mhinduro.
Yakavimbika mhinduro
Mukuratidzira photovoltaic magetsi chiteshi chirongwa, vatengi vane yakaoma zvirevo zvekuvaka uye chigadzirwa mhando. Iyo yekumisikidza kugona kweiyo purojekiti padivi reDC yeprojekti iri 257 MW, iyo inoumbwa ne1032 seti ye1500V DC combiner mabhokisi, 86 seti ye1500Vdc 2.5MW yepakati inverters, 43 seti ye5MVA yepakati magetsi ma transformer uye containerized yakasanganiswa mhinduro yemhete mambure makabati, zvichiita kuti zvive nyore Kuisirwa uye kutumwa kunogona kupfupisa iyo yekuvaka kutenderera uye kudzora system mutengo.
1500V mhinduro inounza pamwechete "hombe tekinoroji"
Iyo 1500V mudziyo-mhando inverter inowedzera yakasanganiswa mhinduro ine hunhu hwe1500V, hombe mativi akarongedzwa, yakakwira huremu chiyero, yakakwira-simba inverter, yakasanganiswa inverter inowedzera, nezvimwewo, izvo zvinoderedza mutengo wemidziyo senge tambo uye mharadzano mabhokisi. Yakaderedzwa yekutanga mari yekudyara. Kunyanya, iyo yakakwira huremu dhizaini dhizaini inonyatso kuvandudza huwandu hwakazara hwekushandisa mutsetse chiyero uye inogadza inonzwisisika huremu hwechiyero kuburikidza nekushandira pamusoro-kugovera kuita iyo system LCOE yakakwana.
Mhinduro ye1500VDC inoshandiswa mumaprojekiti e photovoltaic anopfuura 900MW muVietnam. Vietnam Fu An Hua Hui 257MW photovoltaic chirongwa ndicho chikuru pane imwe chete photovoltaic magetsi chiteshi chirongwa. Sechikamu chekutanga chemabasa matsva ekuratidzira simba muVietnam, mushure mekunge chirongwa ichi chaitwa, chichagadzirisa mamiriro esimba reVietnam, chorerutsa dambudziko rekushomeka kwemagetsi kumaodzanyemba kweVietnam, uye kusimudzira hupfumi pamwe nekusimudzira magariro muVietnam Zvekukosha kukuru.
Iko 1500Vdc kunyorera mu photovoltaic system ichiri kure kure nemwero mukuru?
Zvichienzaniswa neiyo 1000Vdc photovoltaic system inoshandiswa zvakanyanya munzvimbo dzemagetsi dzemagetsi, kutsvagisa 1500Vdc kunyorera mu photovoltaic system inotungamirwa nevagadziri ve inverter ichangobva kuve indasitiri tekinoroji inopisa nzvimbo.
Zviri nyore kuva nemibvunzo yakadai.
Nei uchisimudza voltage kubva ku1000Vdc kusvika ku1500Vdc?
Kunze kweiyo inverter, zvimwe zvimwe zvigadzirwa zvemagetsi zvinomira nemhepo yakakwira ye1500Vdc?
Pane chero munhu ari kushandisa iyo 1500Vdc system izvozvi? Mhedzisiro yacho yakadii?
Unyanzvi Kubatsira uye Kukanganisa kwe1500Vdc kunyorera mu photovoltaic system
1. Kubatsira Kuongorora
1) Deredza mashandisiro emabhokisi ekubatanidza uye tambo dzeDC. Tambo yega yega ye1000Vdc system inowanzo kuve zvikamu makumi maviri nezviviri, nepo tambo yega yega ye22VDC system inogona kubvumidza zvikamu makumi matatu nezviviri. Tora 1500W module 32MW simba rekugadzira unit semuenzaniso,
1000Vdc system: 176 tambo dze photovoltaic uye gumi nemaviri mabhokisi ekubatanidza;
1500Vdc system: 118 tambo dze photovoltaic uye gumi nemaviri mabhokisi ekubatanidza;
Naizvozvo, huwandu hwetambo dzeDC kubva pamafotovoltaic modules kubhokisi rinobatanidza ingangoita 0.67 nguva, uye huwandu hwetambo dzeDC kubva kubhokisi rekubatanidza kuenda kune inverter ingangoita 0.5 nguva.
2) Deredza DC mutsara kurasikirwa ∵P kurasikirwa = I2R tambo I = P / U
IncreasesU inowedzera ne 1.5 nguva → Ndinova (1 / 1.5) → P kurasikirwa inova 1 / 2.25
Uye zvakare, iyo R tambo = ρL / S, iyo L yeiyo DC tambo inova 0.67, 0.5 nguva yepakutanga
CableR tambo (1500Vdc) <0.67R tambo (1000Vdc)
Mukupfupisa, iyo 1500VdcP kurasikirwa kweiyo DC chikamu ingangoita 0.3 nguva yekurasikirwa kwe1000VdcP.
3) Deredza imwe huwandu hweinjiniya uye kutadza chiyero
Sezvo huwandu hwetambo dzeDC nemabhokisi ekubatanidza ari kuderedzwa, huwandu hwesimbi tambo uye combiner bhokisi wiring yakaiswa panguva yekuvaka ichaderedzwa, uye aya maviri mapoinzi anokundikana. Naizvozvo, 1500Vdc inogona kudzora imwe yekundikana chiyero.
2. kutadza kuongorora
1) Kuwedzera kwezvinodiwa zvemidziyo Kuenzaniswa neiyo 1000Vdc system, kuwedzera voltage kusvika ku1500Vdc ine chinetso chakakura pamafereji edunhu, mafiyuzi, anosunga mheni, uye switching magetsi emagetsi, uye inoisa kumberi magetsi uye kuvimbika zvinodiwa. kunatsiridza.
2) Yakakwirira kuchengetedzeka zvinodiwa Mushure mekuwedzera kwemagetsi kusvika pa1500Vdc, njodzi yekuputsika kwemagetsi nekubuditsa inowedzerwa kuitira kuti kuchengetedzwa kwekudzivirira uye kubvumidzwa kwemagetsi kugadziriswe. Uye zvakare, kana tsaona ikaitika padivi reDC, inozotarisana nedambudziko rakakura rekudzimisa DC arc. Naizvozvo, iyo 1500Vdc system inomutsa izvo zvinodiwa nechengetedzo yekuchengetedza.
3) Kuwedzera zvinogona kuitika PID mhedzisiro Mushure mePV ma module akasunganidzwa akateedzana, iyo yekudonha yazvino yakaumbwa pakati peakakwira-voltage module 'maseru uye pasi chikonzero chakakosha cheiyo PID mhedzisiro (yetsananguro yakajeka, ndapota pindura kuna "103 ”Kumashure). Mushure mekuwedzera kwemagetsi kubva pa1000Vdc kusvika pa1500Vdc, zviri pachena kuti mutsauko wemagetsi pakati pebhatiri chip uye ivhu zvichawedzera, izvo zvichawedzera mukana weiyo PID mhedzisiro.
4) Kuwedzera kurasikirwa kwekufananidza Kune kumwe kurasikirwa kunoenderana pakati peti tambo dze photovoltaic, iyo inonyanya kukonzerwa nezvikonzero zvinotevera:
Simba repafekitori eakasiyana mafotovoltaic ma module achave nekutsauka kwe 0 ~ 3%.
Hakavanzwa mitswe yakaumbwa panguva yekufambisa uye kumisikidza inozokonzeresa simba kutsauka
Kudzvanywa kusina kukwana uye kudzivirirwa kusina kukwana mushure mekumisikidzwa kunokonzerawo kutsauka kwesimba.
Tichifunga nezvezvinhu zviri pamusoro, kuwedzera tambo yega kubva pazvinhu makumi maviri nezviviri kusvika pazvikamu makumi matatu nezviviri zviri pachena kuchawedzera kuenderana kurasikirwa.
3. Kuongorora kwakazara Mune ongororo iri pamusoro, yakawanda sei 1500Vdc inogona kufananidzwa ne1000Vdc inogona kuvandudza mashandiro emutengo, uye kuwedzeredza kuverenga kunodiwa.
Nhanganyaya: Inofananidzwa neiyo 1000Vdc photovoltaic system inoshandiswa zvakanyanya mu photovoltaic magetsi, kutsvagisa 1500Vdc kunyorera mu photovoltaic system inotungamirwa nevagadziri ve inverter yave indasitiri tekinoroji hotspot munguva pfupi yapfuura. Ipapo tinogona nyore nyore kuva nemibvunzo yakadaro.
Chechipiri, midziyo yepakati yeiyo photovoltaic system pa1500Vdc
1) Photovoltaic module Parizvino, FirstSolar, Artes, Trina, Yingli, uye mamwe makambani akavhura 1500Vdc photovoltaic module, kusanganisira akajairwa mamodule uye maviri girazi mamodule.
2) Inverter Parizvino, vagadziri vakuru vatangisa 1500Vdc ma inverters ane chinzvimbo che1MVA ~ 4MVA, ayo akaiswa munzvimbo dzekuratidzira magetsi. Iwo magetsi emagetsi e1500Vdc akafukidzwa neakakodzera maIEC zviyero.
3) Maitiro emabhokisi ekubatanidza uye zvimwe zvakakosha mabhokisi eCombiner uye akakosha zvikamu zvakagadzirwa, uye 1500Vdc yapinda mubhokisi re combiner chitupa cheCGC / GF037: 2014 "Rondedzero yehunyanzvi yeiyo Photovoltaic Yakasanganiswa Midziyo"; 1500Vdc yakajekeswa neakawanda maIEC zviyero senge echikamu chemazita emagetsi akadzika, senge wedunhu anotyora zviyero IEC61439-1 uye IEC60439-1, mafotovoltaic mafiyuzi akakosha IEC60269-6, uye photovoltaic yakakosha mheni yekudzivirira michina EN50539-11 / -12 .
Nekudaro, kubvira iyo 1500Vdc photovoltaic system ichiri muchikamu chekuratidzira uye kudiwa kwemusika kune mashoma, michina yataurwa pamusoro apa haisati yatanga kugadzirwa kwemazhinji.
1500Vdc kunyorera mu photovoltaic system
1. Macho Zvitubu Solar Power Station
Firstsolar yakazivisa muna Chivabvu 2014 kuti yekutanga 1500Vdc chiteshi chemagetsi chakapedzwa muDeming, NewMexico yakaiswa mukushandisa. Iko kugona kwese kwechiteshi chemagetsi 52MW, 34 arrays inoshandisa 1000Vdc chimiro, uye yakasara arrays inoshandisa 1500Vdc chimiro.
SMA yakazivisa muna Chikunguru 2014 kuti yayo 3.2MW photovoltaic simba chirimwa muSandershauser Bergindustrialpark, indasitiri paki muNiestetal, Kassel, kuchamhembe kweGerman, yashandiswa. Simba rekushandisa rinoshandisa 1500Vdc system.
2.Makesi ekushandisa muChina
Golmud Sunshine Qiheng Nyowani Energy Golmud 30MW Photovoltaic Project
Muna Ndira 2016, yekutanga mudzimba 1500Vdc photovoltaic simba rekugadzira hurongwa hwekuratidzira chirongwa, Golmud Sunshine Qiheng Nyowani Energy Golmud 30MW photovoltaic grid-yakabatana magetsi eprojekti, yaive yakabatana zviri pamutemo kune gridhi rekugadzira magetsi, zvichiratidza kuti mudzimba 1500Vdc photovoltaic system yapinda chaizvo iyo chaiyo yekuratidzira kunyorera nhanho.
Kuvandudzwa kwe1500V zvine chekuita nemaphotovoltaic zvigadzirwa zvatova maitiro
Photovoltaic zvinoriumba nemidziyo yemagetsi mune yazvino rezuva photovoltaic masisitimu akagadzirwa uye anogadzirwa zvichibva pane DC voltage zvinodiwa zve1000V. Kuti uwane goho riri nani re photovoltaic masystem, budiriro inodikanwa nekukurumidza mune iyo nyaya yekudzikiswa kwe photovoltaic subsidies kune ayo magetsi ekugadzira mutengo uye kugona. Naizvozvo, kuvandudzwa kwe1500V zvine chekuita nemaphotovoltaic zvigadzirwa zvave kuita. 1500V yakakwira-magetsi zvikamu uye inotsigira michina yemagetsi zvinoreva yakaderera system sisitimu uye yepamusoro simba rekugadzira kugona. Kuunza ichi chitsva chishandiso uye tekinoroji kunogona kuita iyo Photovoltaic indasitiri zvishoma nezvishoma kubvisa kuvimba nerubatsiro uye kuzadzikisa parity pa-mutsara kuwana panguva yekutanga. 1500V zvinodikanwa zvezuva photovoltaic modules, inverters, tambo, mabhokisi ekubatanidza, uye kugadzirisa system ”
Iyo yakakosha yepakati michina yeiyo 1500V system inoratidzwa pamusoro. Zvinodiwa zve1500V pachigadzirwa chimwe nechimwe zvachinjawo maererano:
1500V chikamu
Kurongeka kwezvinhu kwakashandurwa, uko kunoda mwero wepamusoro wezvikamu;
• Chinhu chinoshanduka shanduko, kuwedzera zvinhu uye zvido zvekuyedza zveplanet;
• Kuwedzera zviyero zvebvunzo zvechinhu chinodzivirira, kusagadzikana kwemagetsi, kubuda kwemvura, uye kupomba;
• Mari yezvinhu iri yakati sandara uye mashandiro acho anovandudzwa;
• Ikozvino pane zviyero zveIEC zve1500Vdc system zvikamu. Zvakaita seIEC 61215 / IEC 61730;
• 1500Vdc sisitimu yezvinhu zvevazhinji vagadziri vakapasa akakodzera zvitupa uye PID yekuita bvunzo.
1500V DC tambo
• Pane misiyano pakuvhara, sheath thickness, ellipticity, insulation kuputira, kuwedzera kwekushisa, munyu spray, uye utsi hwekudzivirira bvunzo, uye bvunzo kupisa bvunzo.
1500V mubatanidzwa bhokisi
Kuedzwa kunodiwa kwekubviswa kwemagetsi uye chinhambwe chinhambwe, magetsi frequency voltage uye yekumanikidza inomira voltage uye kuputira kuramba;
• Pane misiyano mumagetsi anosunga, anotsemura maseketi, mafiyuzi, waya, zviwanikwa zvinopihwa simba, zvinopesana-zvinodzosera kumashure ma diode, uye zvinongedzo;
Maitiro emabhokisi ekubatanidza uye zvakakosha zvinhu zviri munzvimbo.
1500V inverter
• Mheni dzinobata, mahedheni anotsemura, mafiyuzi, uye magetsi emagetsi akasiyana;
Kuchengetedza, kubvumidzwa kwemagetsi, uye kuparara kwekuparara kunokonzerwa nemhepo inokwira;
• 1500V voltage nhanho yakafukidzwa nezvakakodzera IEC zviyero.
1500V maitiro
Mukugadzirwa kweiyo 1500V tambo tambo, izvo zvikamu zvetambo yega yega ye1000V system yaimbove 18-22, uye ikozvino iyo 1500V system ichawedzera zvakanyanya huwandu hwezvikamu zvakateedzana kusvika 32-34, ichiita tambo dzakawanda kushoma uye kuita chokwadi.
Ikozvino photovoltaic simba rekugadzira system, DC-padivi voltage 450-1000V, AC-padivi voltage 270-360V; 1500V system, huwandu hwetambo imwe yezvinhu zvakawedzera ne50%, DC-padivi voltage 900-1500V, AC-divi 400-1000V, kwete chete iyo DC yekumusoro mutsara kurasikirwa kunodzikira Kurasika kwemutsara padivi re AC kwaderera zvakanyanya. 1500V zvinodikanwa zvezvinhu, inverters, tambo, mabhokisi ekubatanidza, uye kugadzirisa system ”
Nezve inverters, 1MW centralized inverters yakashandiswa munguva yakapfuura, uye ikozvino inogona kuwedzerwa kusvika ku2.5MW inverters mushure mekushandisa 1500V system; uye iyo yakatarwa voltage ye AC divi yakawedzera. Inverters esimba rakafanana uye AC divi Iyo yakadzikiswa kuburitsa ikozvino inobatsira kudzikisa mutengo weiyo inverter.
Kuburikidza nekuverenga kwakazara, mushure mekuvandudzwa kwehunyanzvi hweiyo 1500V system, iyo yakazara system mutengo inogona kuderedzwa neinenge 2 cents, uye kugona kwehurongwa kunogona kuvandudzwa ne2%. Saka iko kushandiswa kweiyo 1500V system ndeyekubatsira kukuru kudzikisira iyo system mutengo.
Nekushandisa 1500V system, huwandu hwezvikamu muzvikamu zvinowanda, huwandu hwehukama hwakaenzana hunodzikira, huwandu hwetambo hunodzikira, uye huwandu hwevabatanidzi uye inverter inoderera. Mhepo inowedzerwa, kurasikirwa kwadzikira, uye kugona kunovandudzwa. Kuderedzwa kwekuisirwa uye yekuchengetedza basa mutoro zvakare inoderedza kuisa uye kugadzirisa mitengo. Izvi zvinogona kudzikisa mutengo wemagetsi kukosha kweLCOE.
Maitiro makuru! 1500V photovoltaic system inomhanyisa kuuya kweiyo parity era
Mu2019, pamwe neshanduko dzemitemo ye photovoltaic, indasitiri iri kubhidha kuti idzikise mutengo wemagetsi, uye iri tsika isingadzivisike yekuenda kunodhura kuwana Internet. Naizvozvo, hunyanzvi hwetekinoroji ndiko kufambira mberi, kudzikisa mutengo wemagetsi uye kudzikisa kutsamira pamabhizimusi rave rairo nyowani yekusimudzira zvine hutano yeindasitiri ye photovoltaic. Panguva imwecheteyo, China, semutungamiriri anotungamira wepasi rese weiyo Photovoltaic indasitiri, yakabatsira nyika zhinji kuwana mukana paInternet, asi ichiri chinhambwe kubva parity paInternet nekuda kwezvikonzero zvakasiyana.
Chikonzero chikuru nei mhiri kwemakungwa photovoltaic musika inogona kuwana parity ndeyekuti kuwedzera kune zvakanakira China maererano nemari, ivhu, kuwana, magetsi, mitengo yemagetsi, nezvimwe, iyo inonyanya kukosha uye zvidzidzo zvinodzidziswa poindi ndeyekuti ivo vari China yakawanda advanced. Semuenzaniso, iyo photovoltaic system ine voltage ye1500V. Parizvino, 1500V voltage-chikamu zvine chekuita zvigadzirwa zvave mhinduro huru yemusika wekunze kwemakoto. Naizvozvo, epamba photovoltaics inofanirwa zvakare kutarisa kune-system-level hunyanzvi, kumhanyisa kushandiswa kwe1500V uye mamwe matekinoroji epamberi, vanoona kudzikiswa kwemutengo, kushanda zvakanaka, uye kugadziridzwa kwemhando dzemagetsi, uye nekunyatsosimudzira indasitiri ye photovoltaic kuenda kune imwe nguva.
1500V wave yakatsvaira nyika
Sekureva kweshumo weHS, yekutanga yakarongedzerwa kushandiswa kweiyo 1500V system inodzokera kumashure kuna 2012. Na2014, FirstSolar yakaisa mari mune yekutanga 1500V photovoltaic magetsi. Zvinoenderana nekuverenga kweFirstSolar: 1500V photovoltaic magetsi chiteshi inoderedza huwandu hweseketi dzakaenzana nekuwedzera huwandu hwenhevedzano ye photovoltaic module; inoderedza huwandu hwemabhokisi ejunction netambo; panguva imwecheteyo, kana iyo voltage ikawedzerwa, iyo yekurasikirwa netambo inowedzeredzwa, uye kugona kwesimba kwesystem kunovandudzwa.
Muna 2015, China inotungamira inverter inogadzira Sunshine Power yakatungamira mukusimudzira sisitimu mhinduro zvichienderana neiyo 1500V inverter dhizaini muindasitiri, asi nekuti zvimwe zvinotsigira zvikamu hazvina kuumba yakakwana maindasitiri cheni muChina, uye makambani ekudyara ane ruzivo rwakadzama nezve izvi, Panzvimbo pekupa pekutanga kuwedzerwa mhiri kwemakungwa mushure mekukwidziridzwa kukuru mudzimba, yakatanga "yakunda" nyika ndokuzodzokera kumusika weChina.
Kubva pakuona kwemusika wepasirese, iyo 1500V sisitimu yave mamiriro anodikanwa emapurovhota makuru mapurojekiti kudzikisa mutengo uye kuwedzera kushanda. Munyika dzine mitengo yakaderera yemagetsi senge India neLatin America, makuru-epasi masitepisi emagetsi anosvika zvese arikutora 1500V zvirongwa zvekubhidha; nyika dzine misika yemagetsi yakagadziriswa muEurope neUnited States dzakachinja magetsi eDC kubva pa1000V mafotera e-photovoltaic kuenda ku1500V; misika iri kubuda yakadai seVietnam neMiddle East yakanyatsopinda muma 1500V masisitimu. Izvo zvakakosha kuti uzive kuti iyo 1500-volt GW-nhanho photovoltaic chirongwa chinoshandiswa pasirese uye chakadzokororazve kumisikidza rekodhi yepasirese ine ultra-yakaderera pa-grid magetsi emitengo.
MuUnited States, iyo yakaiswa inokwana 1500Vdc michina mu2016 yakaita 30.5%. Na2017, yaive yawedzera zvakapetwa kusvika pa64.4%. Zvinotarisirwa kuti nhamba iyi inosvika ku84.20% muna 2019. Zvinoenderana nekambani yemuno EPC: "Chiteshi chega chega chitsva che7GW pasi pegore chinoshandisa 1500V. Semuenzaniso, yekutanga huru-yepasi pasi photovoltaic magetsi chiteshi muWyoming, iyo ichangobatanidzwa kune gridhi, inoshandisa yezuva simba simba 1500V centralized inverter solution.
Zvinoenderana nekufungidzira, zvichienzaniswa neiyo 1000V system, iyo kudzikisira mutengo uye nekuwedzera kwekuita kwe1500V zvinonyanya kuratidzwa mu:
1) Huwandu hwezvinhu zvakabatanidzwa mune dzakateedzana hwakawedzerwa kubva pamabhuruku makumi maviri nemana / tambo kusvika pamabhuru makumi matatu nemana / tambo, zvichideredza huwandu hwetambo. Saizvozvowo, kushandiswa kwetambo dze photovoltaic kwadzikira ne24%, uye mutengo wemidziyo yakadai semabhokisi ekubatanidza wakadzikiswa neinenge 34/48, uye mutengo wakadzikiswa neinenge 1 yuan / Wp;
2) Kuwedzera kwehuwandu hwezvinhu zvakateedzana kunoderedza iyo sisitimu mutengo wekutsigira, murwi hwaro, kuvaka, uye kumisikidza neinenge 0.05 yuan / Wp;
3) Iyo AC grid-yakabatana voltage yeiyo 1500V system inowedzerwa kubva pa540V kusvika pa800V, iyo grid-yakabatana mapoinzi anoderedzwa, uye iyo AC neDC yekumusoro system kurasikirwa inogona kuderedzwa ne1 ~ 2%.
4) Zvinoenderana neyakakura kesi yemusika wekunze kwenyika, kugona kwakaringana kweiyo imwe sub-array inogona kugadzirirwa kuve 6.25MW muma 1500V masisitimu, uye kunyangwe kusvika 12.5MW mune dzimwe nzvimbo. Nekuwedzera kugona kweiyo imwechete sub-array, mutengo wemidziyo ye AC sevashanduri inogona kudzikiswa.
Naizvozvo, tichienzanisa neyechinyakare 1000V system, iyo 1500V system inogona kudzora mutengo ne0.05 ~ 0.1 yuan / Wp, uye chaiko simba rekugadzira rinogona kuwedzera ne1 ~ 2%.
Kuwedzeredza ne "kugona" 1500Vdc system yemusika musika
Inofananidzwa nemusika wepasi rese, mumakore ekutanga eChina maindasitiri emifananidzo, nekuda kwecheni yekupa indasitiri yehunyanzvi, iyo 1500V system yakatanga kunonoka uye kukura kwayo kwainonoka. Makambani mashoma chete anotungamira akadai seSunshine Power akapedza R & D uye chitupa. Asi nekukwira kweiyo 1500V system padanho repasirese, musika wepamusha wakatora mukana wayo, uye wakawana mhedzisiro yakanaka mukuvandudza nekuvandudza kwema 1500V masisitimu nemaapplication:
- Muna Chikunguru 2015, yekutanga 1500V yepakati inverter yakagadzirwa uye inogadzirwa neSunshine Power muChina yakabudirira kupedza grid yekubatanidza bvunzo uye yakavhura prelude yeiyo 1500V tekinoroji mumusika wepamba.
- Muna Ndira 2016, yekutanga mudzimba 1500V photovoltaic simba rekugadzira hurongwa hwekuratidzira chirongwa chakange chakabatana neiyo grid yekugadzira magetsi.
- MunaJune 2016, mune yekutanga yekumba Datong mutungamiri chirongwa, 1500V yepakati inverters yakashandiswa mumabatch.
- Muna Nyamavhuvhu 2016, Sunshine Power yakatungamira mukutanga iyo yepasirose 1500V tambo inverter, ichiwedzera kuwedzera kukwikwidzana kwepasirese kwevashandisi vemagetsi photovoltaic inverters.
Mugore rimwe chetero, China yekutanga 1500V photovoltaic system benchmarking chirongwa chakange chakabatana neiyo grid yekugadzira magetsi muGolmud, Qinghai, zvichiratidza kuti mudzimba 1500Vdc photovoltaic system yatanga kupinda mumunda wekushandisa kushanda. Iyo yakazara yakaisirwa kugona kweiyo magetsi chiteshi ndeye 30MW. Sunshine Power inopa yakazara seti mhinduro dzemuchirongwa ichi, ichideredza tambo yekudyara mutengo ne20%, mutengo we0.1 yuan / Wp, uye ichideredza zvakanyanya iyo AC neDC parutivi mutsara kurasikirwa uye iyo transformer yakaderera voltage divi ichitenderera kurasikirwa.
1500V yakave yakakosha pamusika wepasi rose
Iyo 1500V system, iyo ine zvese kuderedzwa kwemitengo uye kugona, yave zvishoma nezvishoma ichiva sarudzo yekutanga kune makuru epasi magetsi magetsi. Nezve iro ramangwana kuvandudzwa kwema 1500V masisitimu, IHS inofungidzira kuti mugove we1500V inverters ucharamba uchiwedzera kusvika ku74% mu2019 uye ichawedzera kusvika ku84% muna2020, ichiva chikuru cheindasitiri.
Kubva pakuona kwe1500V yakaiswa chinzvimbo, yaingova 2GW muna2016 uye yakapfuura 30GW muna 2018. Yakawana kukura kweanopfuura gumi nemana mumakore maviri chete, uye inotarisirwa kuchengetedza yakasimba-yekumhanyisa yekukura maitiro. Zvinotarisirwa kuti kuwanda kwekutumirwa mu14 uye 2019 ichave iri mari inodarika 2020GW. Kune emabhizinesi eChinese, Sunshine Power yakaisa inopfuura 100GW ye5V inverters pasirese uye inoronga kuburitsa yakakwira yepamusoro 1500V dzakateedzana tambo uye epakati inverters mu1500 kusangana nemusika unokurumidza kukura wakaiswa kudiwa.
Kuwedzera iyo DC voltage kusvika ku1500V ishanduko yakakosha mukuderedza mutengo uye nekuwedzera kushanda, uye ikozvino yave mhinduro hombe yekuvandudza mafotovoltaic epasi rose. Nenguva yekudzikira kwerubatsiro uye parity muChina, iyo 1500V system inozoshandiswa zvakare zvakanyanya muChina, ichikurudzira kusvika kweyakajeka nguva yeChina
Kuongorora kwehupfumi kwe1500V photovoltaic system
Kubva 2018, zvisinei kune dzimwe nyika kana zvekumba, chikamu chekushandisa che1500V system iri kukura uye kukura. Zvinoenderana neHS Statistics, iro vhoriyamu yekushandisa ye1500V yenzvimbo huru dzemagetsi dzekunze kune dzimwe nyika dzakapfuura 50% mu2018; maererano neyekutanga manhamba, pakati pechitatu batch yevatambi vamhanyi mu2018, chikamu che1500V kunyorera chaive pakati pe15% ne20%.
Inogona here iyo 1500V system kunyatsoderedza mutengo wemagetsi weprojekiti? Iri bepa rinoita ongororo yekuenzanisa yeiyo economics yemaviri voltage mazinga kuburikidza nedzidziso dzehunyanzvi uye chaiyo kesi data.
I. Basic dhizaini dhizaini
Kuti uongorore huwandu hwemutengo weiyo 1500Vdc kunyorera mu photovoltaic system, yakajairika dhizaini dhizaini inoshandiswa kuenzanisa mutengo weprojekiti neyakajairwa 1000V system mutengo.
1. kuverenga kwekutanga
1) Chiteshi chemagetsi epasi, nzvimbo yakati sandara, chinzvimbo chakaiswa hachiganhurwe nenzvimbo yepasi;
2) Kupisa kwakanyanya uye kupisa kwakanyanya kwazvo kwenzvimbo yeprojekiti kunozotarisirwa maererano ne40 ℃ uye -20 ℃.
3) Iyo yakakosha parameter yezvinhu zvakasarudzwa uye inverters zvinoratidzwa mune tafura pazasi.
2. Basic dhizaini scheme
1) 1000V akateedzana dhizaini dhizaini
22 310W maviri-mativi photovoltaic module anoumba 6.82kW matavi, 2 matavi anoumba mativi akaenzana, 240 matavi akazara 120 mativi arrays, uye anopinda mu20 75kW ma inverters (1.09 zvakapetwa pamusoro-kugoverwa padivi reDC, kuwana kumashure) Kufunga 15%, iri 1.25 zvakapetwa pamusoro-kupihwa) kugadzira 1.6368MW simba rekugadzira unit.
Chinhu icho chakaiswa chakatwasuka zvinoenderana ne4 * 11, uye kumberi nekumashure mabhureki-maviri akagadziriswa mabhureki.
2) 1500V akateedzana dhizaini dhizaini
34 310W maviri-mativi photovoltaic module anoumba bazi 10.54kW, matavi maviri anoumba matrix mativi, 2 matavi ane huwandu hwese 324 square arrays, uye 162 18kW inverters akaisirwa (175 times pamusoro-kugoverwa padivi reDC, kuwana pane kumashure Tichifunga nezve 1.08%, iri 15 zvakapetwa pamusoro-kupa) kugadzira 1.25MW magetsi ekugadzira unit.
Chinhu icho chakaisirwa chakatwasuka zvinoenderana ne4 * 17, uye kumberi nekumashure mabhureki-maviri akagadziriswa mabhureki.
Chechipiri, kukanganisa kwe1500V pane yekutanga mari
Zvinoenderana nechirongwa chekugadzira pamusoro, ongororo yekuenzanisa kweuinjiniya huwandu uye mutengo weiyo 1500V system uye yechinyakare 1000V system ndeinotevera.
Tafura 3: Mari yekuumbwa kwe1000V system
Tafura 4: Mari yekuumbwa kwe1500V system
Kubudikidza nekuenzanisa kuenzanisa, zvinoonekwa kuti zvichienzaniswa neyechinyakare 1000V system, iyo 1500V system inoponesa ingangoita 0.1 yuan / W yeiyo system mutengo.
Chechitatu, kukanganisa kwe1500V pane kugadzirwa kwesimba
Kuverenga mamiriro:
Uchishandisa izvo zvakafanana zvinhu, hakuzove nemusiyano mukugadzirwa kwesimba nekuda kwekusiyana kwezvikamu; uchifungidzira nzvimbo yakati sandara, hapazovi nemumvuri wekuvharirwa nekuda kwekuchinja kwenzvimbo;
Musiyano mukugadzirwa kwesimba unonyanya kubva pazvinhu zviviri: kutadza kurasikirwa pakati pezvinhu netambo, DC kurasikirwa kwemutsara, uye AC mutsara kurasikirwa.
1. kutadza kurasikirwa pakati pezvinhu netambo
Huwandu hwezvikamu zvakateedzana zvebazi rimwe rakawedzerwa kubva pa22 kusvika 34. Nekuda kwekutsauka kwesimba kwe ± 3W pakati pezvinhu zvakasiyana, kurasikirwa kwesimba pakati pe1500V system zvikamu zvichawedzera, asi hazvigone kuverengerwa huwandu.
Huwandu hwenzira dzekuwana dzeimwe inverter hwakawedzerwa kubva pa12 kusvika pa18, asi huwandu hwenzira dzeMPPT dzekutsvagisa dzakawedzera kubva pa6 kusvika pa9 kuona kuti matavi maviri anoenderana ne2 MPPT. Iyo MPPT kurasikirwa hakuwedzeri.
2. DC uye AC mutsara kurasikirwa
Kukarukureta fomula yekurasikirwa kwemutsara
Q kurasikirwa = I2R = (P / U) 2R = ρ (P / U) 2 (L / S)
1) Kukarukureta kweDDC mutsara kurasikirwa
Tafura: DC mutsetse kurasikirwa chiyero chebazi rimwe chete
Kubudikidza nedzidziso dzepamusoro dzerevhizheni, zvinowanikwa kuti iyo DC yekurasikirwa kweiyo 1500V system iri 0.765 times iyo ye1000V system, zvinoenzana nekuderedza kurasikirwa kweDDC ne23.5%.
2) Kukarukureta AC mutsetse kurasikirwa
Tafura: AC mutsetse kurasikirwa chiyero cheimwe inverter
Zvinoenderana nemaverengero ari pamusoro echidzidzo, zvinowoneka kuti iyo DC yekurasikirwa kweiyo 1500V system iri 0.263 zvakapetwa neiyo 1000V system, zvinoenzana nekuderedza kurasikirwa kweAAC mutsara ne73.7%.
3) Chaizvo kesi data
Sezvo kurasikirwa kwekusaenzana pakati pezvinhu zvisingakwanise kuverengerwa zvakawandisa, uye nharaunda yacho chaiyo ine mutoro, iyo chaiyo kesi ichashandiswa kune imwezve tsananguro.
Ichi chinyorwa chinoshandisa iro chairo simba rekugadzira dhata reyechitatu batch yepamberi mumhanyi chirongwa. Iyo yekuunganidza dhata nguva iri kubva Chivabvu kusvika Chikumi 2019, yakazara ye2 mwedzi yemadata.
Tafura: Kuenzanisa kwesimba rekugadzira pakati pe1000V uye 1500V masisitimu
Kubva patafura iri pamusoro, zvinogona kuwanikwa kuti panzvimbo imwechete yeprojekti, uchishandisa zvimwechetezvo, zvigadzirwa zvevanogadzira inverter, uye nzira imwechete yekumisikidza bracket, muna Chivabvu kusvika Chikumi 2019, maawa ekugadzira magetsi eiyo 1500V system aive 1.55% yakakwirira kupfuura iyo 1000V system.
Zvinogona kuonekwa kuti kunyangwe kuwedzera kwehuwandu hwetambo imwe chete kuchizowedzera kurasikirwa musingaenzaniswi pakati pezvinhu nekuti kunogona kudzora kurasikirwa kwemutsara neDC ingangoita 23.5% uye iyo AC yekurasikirwa kwemutsara ingangoita 73.7%, iyo 1500V system inogona kuwedzera iyo simba rekugadzira chirongwa.
Chechina, kuongororwa kwakazara
Kuburikidza neongororo iri pamusoro, tinogona kuona kuti tichienzanisa neyechinyakare 1000V system, iyo 1500V system,
1) Inogona kuchengetedza nezve 0.1 yuan / W system mutengo;
2) Kunyangwe kuwedzera kwehuwandu hwetambo imwechete kunowedzera kurasikirwa musingaenzaniswi pakati pezvinhu, asi nekuti kunogona kudzora kurasikirwa kwemutsara neDC ingangoita 23.5% uye iyo AC yekurasikirwa kwemutsara ingangoita 73.7%, iyo 1500V system ichawedzera iyo simba rekugadzira chirongwa.
Naizvozvo, 1500Vdc kunyorera mu photovoltaic system mutengo wesimba unogona kudzikiswa kune imwe nhanho.
Sekureva kwaDong Xiaoqing, purezidhendi weHebei Energy Engineering Institute, inopfuura 50% yepasi photovoltaic chirongwa dhizaini zvirongwa zvakapedzwa neiyo institution yakasarudzwa 1500V; zvinotarisirwa kuti chikamu chenyika che1500V chemagetsi epasi mu2019 chosvika panosvika 35%; ichawedzerwa kuwedzera mu2020.
IHS Markit, rinozivikanwa bazi rezvekubvunzurudza repasi rese, rakapa tarisiro yakawanda. Mune yavo 1500V yepasirese photovoltaic musika ongororo mushumo, ivo vakaratidza kuti yepasi rose 1500V photovoltaic magetsi chirimwa chikero chaizodarika 100GW mumakore maviri anotevera.
Mufananidzo: Forecast yehuwandu hwe1500V munzvimbo dzepasi rese magetsi magetsi
Pasina kupokana, sezvo yepasi rose photovoltaic indasitiri yeku de-subsidization maitiro ichikurumidza, uye kwekupedzisira kutsvaga kwemutengo wemagetsi, 1500V, senge tekinoroji mhinduro iyo inogona kudzikisa mutengo wemagetsi, ichawedzera kushandiswa.
