Sisitemu ya 1500V irashobora kugabanya neza ikiguzi kuri kilowatt-isaha ya sisitemu yo gufotora?

Hatitawe ku mahanga cyangwa mu gihugu, igipimo cyo gusaba cya 1500V sisitemu kiriyongera.Nk’uko imibare ya IHS ibigaragaza, mu 2018, ikoreshwa rya 1500V mu mashanyarazi manini yo mu mahanga yarenze 50%;ukurikije imibare ibanza, mu cyiciro cya gatatu cy’abiruka imbere muri 2018, igipimo cyo gusaba 1500V cyari hagati ya 15% na 20%.Sisitemu ya 1500V irashobora kugabanya neza ikiguzi kuri kilowatt-isaha yumushinga?Uru rupapuro rukora isesengura rigereranya ryubukungu bwurwego rwa voltage ebyiri binyuze mumibare ya theoretical hamwe namakuru yimanza.

1. Igishushanyo mbonera

Kugirango dusesengure urwego rwibiciro bya sisitemu ya 1500V, hashyizweho gahunda isanzwe yo gushushanya, kandi ikiguzi cya sisitemu 1000V igereranwa ukurikije ubwubatsi.

Kubara

(1) Amashanyarazi yubutaka, ahantu hahanamye, ubushobozi bwashyizweho ntabwo bugarukira kubutaka;

(2) Ubushyuhe bukabije nubushyuhe bukabije bwikibanza cyumushinga bizasuzumwa ukurikije 40 ℃ na -20 ℃.

(3)Ibyingenzi byingenzi byatoranijwe hamwe na invertersni nkibi bikurikira.

Imiterere yishoramari ya sisitemu ya 1500V

Binyuze mu isesengura rigereranya, usanga ugereranije na sisitemu gakondo ya 1000V, sisitemu ya 1500V ibika hafi 0.1 yuan / W yikiguzi cya sisitemu.

3. Ingaruka ya 1500V kubyara amashanyarazi

Ikibanza cyo kubara:

Ukoresheje module imwe, ntihazabaho itandukaniro mubyara ingufu kubera module itandukanye;dufashe ahantu hahanamye, ntihazabaho igicucu kubera ihinduka ryimiterere.
Itandukaniro mubyara ingufu rishingiye ahanini kubintu bibiri:igihombo kidahuye hagati ya module numugozi, gutakaza umurongo wa DC no gutakaza umurongo wa AC.

1. Igihombo kidahuye hagati y ibice nimirongo Umubare wibice byuruhererekane mumashami umwe wiyongereye kuva kuri 22 ugera kuri 34. Kubera gutandukana kwamashanyarazi ± 3W hagati yibice bitandukanye, gutakaza ingufu hagati yibice bya sisitemu ya 1500V biziyongera, ariko Nta mubare wuzuye. irashobora gukorwa.Umubare wimiyoboro ya inverter imwe wongerewe uva kuri 12 ugera kuri 18, ariko umubare wimiyoboro ya MPPT ikurikirana ya inverter wiyongereye kuva kuri 6 ugera kuri 9 kugirango amashami 2 ahuye na MPPT 1.Kubwibyo, hagati yumurongo MPPT igihombo ntikiziyongera.

2. Imibare yo kubara gutakaza umurongo wa DC na AC: Q igihombo = I2R = (P / U) 2R = ρ (P / U) 2 (L / S) 1)

Imbonerahamwe yo gutakaza umurongo wa DC: Ikigereranyo cyo gutakaza umurongo wa DC ishami rimwe

Binyuze mu mibare yavuzwe haruguru, usanga gutakaza umurongo wa DC ya sisitemu ya 1500V bikubye inshuro 0,765 ugereranije na sisitemu ya 1000V, ibyo bikaba bihwanye no kugabanuka kwa 23.5% mu gutakaza umurongo wa DC.

Imbonerahamwe yo gutakaza umurongo wa AC: Ikigereranyo cyo gutakaza umurongo wa AC ya inverter imwe

Binyuze mu mibare yavuzwe haruguru, usanga gutakaza umurongo wa DC wa sisitemu ya 1500V bikubye inshuro 0.263 ugereranije na sisitemu ya 1000V, ibyo bikaba bihwanye no kugabanuka kwa 73.7% yo gutakaza umurongo wa AC.

3. Amakuru yimanza nyayo Kuva igihombo kidahuye hagati yibigize ntigishobora kubarwa mubwinshi, kandi ibidukikije nyirizina birashinzwe, urubanza nyirizina rukoreshwa mugusobanura ibindi bisobanuro.Iyi ngingo ikoresha amakuru yukuri yo kubyara amashanyarazi mugice cya gatatu cyumushinga wambere, kandi igihe cyo gukusanya amakuru ni kuva muri Gicurasi kugeza muri Kamena 2019, amezi 2 yose hamwe.

Kugereranya kubyara amashanyarazi hagati ya sisitemu ya 1000V na 1500V

Duhereye ku mbonerahamwe yavuzwe haruguru, urashobora gusanga kurubuga rumwe, ukoresheje ibice bimwe, ibicuruzwa byakozwe na inverter, hamwe nuburyo bumwe bwo gushyiramo bracket, mugihe cyo kuva muri Gicurasi kugeza muri Kamena 2019, amasaha yo kubyara amashanyarazi ya sisitemu ya 1500V ziri hejuru ya 1.55% kurenza iyo sisitemu ya 1000V.Birashobora kugaragara ko nubwo kwiyongera kwumubare wibice byumugozi umwe bizongera igihombo kidahuye hagati yibigize, birashobora kugabanya igihombo cyumurongo wa DC hafi 23.5% naho igihombo cyumurongo wa AC kigera kuri 73.7%.Sisitemu ya 1500V irashobora kongera ingufu z'umushinga.

4. Isesengura ryuzuye

Binyuze mu isesengura ryabanje, ushobora gusanga sisitemu ya 1500V igereranijwe na sisitemu gakondo 1000V:

1) Irashoborauzigame hafi 0.1 yu / W igiciro cya sisitemu;

2) Nubwo kwiyongera kwumubare wibice byumugozi umwe bizongera igihombo kidahuye hagati yibigize, birashobora kugabanya hafi 23.5% yumurongo wa DC hamwe na 73.7% byigihombo cyumurongo wa AC, nasisitemu ya 1500V izongera ingufu z'umushinga.Kubwibyo, igiciro cyamashanyarazi kirashobora kugabanuka kurwego runaka.Nk’uko byatangajwe na Dong Xiaoqing, Umuyobozi w'Ikigo cy’ingufu gishinzwe ingufu za Hebei, ngo hejuru ya 50% ya gahunda yo gushushanya umushinga w’amafoto y’ubutaka yarangiye n’ikigo muri uyu mwaka yahisemo 1500V;biteganijwe ko umugabane wa 1500V muri sitasiyo y’amashanyarazi mu gihugu hose muri 2019 uzagera kuri 35%;bizakomeza kwiyongera muri 2020. Umuryango uzwi cyane wo kugisha inama IHS Markit watanze amakuru meza.Muri raporo y’isesengura ry’isoko rya 1500V ku isi, bagaragaje ko igipimo cy’amashanyarazi 1500V ku isi kizarenga 100GW mu myaka ibiri iri imbere.

Iteganyagihe rya 1500V mumashanyarazi yisi yose

Nta gushidikanya, kubera ko inganda zifotora ku isi zihutisha gahunda y’inkunga, hamwe no gukurikirana cyane ikiguzi cy’amashanyarazi, 1500V nkigisubizo cya tekiniki gishobora kugabanya igiciro cy’amashanyarazi kizakoreshwa cyane.

Kubika ingufu za 1500V bizahinduka inzira nyamukuru mugihe kizaza

Muri Nyakanga 2014, inverter ya sisitemu ya SMA 1500V yakoreshejwe mu mushinga w'amafoto ya 3.2MW muri Kassel Industrial Park, mu Budage.

Muri Nzeri 2014, Modina ya Trina Solar ifite ibirahuri bibiri byerekana ibirahure yakiriye icyemezo cya mbere 1500V PID cyatanzwe na TUV Rheinland mu Bushinwa.

Ugushyingo 2014, Longma Technology yarangije iterambere rya sisitemu ya DC1500V.

Muri Mata 2015, Itsinda rya TUV Rheinland ryakoze amahugurwa ya “Photovoltaic Modules / Parts 1500V Certificat”.

Muri kamena 2015, Projoy yashyize ahagaragara PEDS yuruhererekane rwamafoto ya DC ya 1500V ya sisitemu yo gufotora.

Muri Nyakanga 2015, Isosiyete Yingli yatangaje ko hazashyirwaho inteko ya aluminiyumu ifite amashanyarazi ntarengwa ya volt 1500, cyane cyane kuri sitasiyo y’amashanyarazi.

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Abahinguzi mumirenge yose yinganda zifotora baratangiza cyane ibicuruzwa bya sisitemu ya 1500V.Kuki “1500V” ivugwa cyane kandi kenshi?Ese ibihe bya 1500V ya sisitemu ya Photovoltaque iraza koko?

Kuva kera, ibiciro byamashanyarazi menshi byabaye imwe mumpamvu nyamukuru zibuza iterambere ryinganda zifotora.Nigute wagabanya ikiguzi kuri kilowatt-isaha ya sisitemu ya Photovoltaque no kuzamura ingufu zamashanyaraziyahindutse ikibazo cyibanze cyinganda zifotora.1500V ndetse na sisitemu yo hejuru isobanura ibiciro bya sisitemu yo hasi.Ibigize nka moderi ya Photovoltaque na DC ya DC, cyane cyane inverter, bigira uruhare runini.

Ibyiza bya inverter ya 1500V ifotora

Mugukomeza kwinjiza voltage, uburebure bwa buri mugozi burashobora kwiyongeraho 50%, bishobora kugabanya umubare winsinga za DC zahujwe na inverter hamwe numubare wibisanduku bisobekeranye.Muri icyo gihe, udusanduku twa kombineri, inverter, transformateur, nibindi. Ubucucike bwamashanyarazi yibikoresho byamashanyarazi bwiyongera, ubwinshi bwaragabanutse, kandi akazi ko gutwara no gufata neza nako karagabanuka, ibyo bikaba bifasha kugabanya igiciro cyamafoto yumuriro. Sisitemu.

Mugukomeza ibisohoka kuruhande rwa voltage, ubwinshi bwimbaraga za inverter zirashobora kwiyongera.Murwego rumwe rwubu, imbaraga zirashobora gukuba kabiri.Urwego rwohejuru rwinjiza nibisohoka voltage urwego rushobora kugabanya igihombo cya sisitemu DC umugozi no gutakaza transformateur, bityo kongera ingufu zamashanyarazi.

Guhitamo 1500V ifotora ya inverter

Urebye amashanyarazi, guhura 1500V biroroshye kuruta guca muri tekinoroji ya 1500V kubicuruzwa bya module.Nyuma ya byose, ibicuruzwa byose byavuzwe haruguru byatejwe imbere bivuye mu nganda zikuze kugirango zishyigikire amafoto.Urebye metero ya 1500VDC, inverter yimodoka ikurura, ibikoresho byamashanyarazi ntibizahinduka ikibazo cyo guhitamo, harimo Mitsubishi, Infineon, nibindi bifite ibikoresho byamashanyarazi hejuru ya 2000V, capacator zirashobora guhuzwa murukurikirane kugirango zongere ingufu za voltage, none na Projoy nibindi Hamwe na switch ya 1500V yatangijwe, abakora ibintu bitandukanye, JA Solar, Solar yo muri Kanada, na Trina byose byatangije ibice 1500V.Guhitamo sisitemu yose inverter ntabwo bizaba ikibazo.

Urebye kuri bateri ya batiri, umugozi wa panne 22 ukunze gukoreshwa kuri 1000V, kandi umugozi wibikoresho bya sisitemu ya 1500V ugomba kuba nka 33. Ukurikije ubushyuhe bwubushyuhe bwibigize, ingufu z'amashanyarazi ntarengwa zizaba hafi 26 -37V.Umuvuduko wa MPP urwego rwimigozi uzaba hafi 850-1220V, naho voltage yo hasi ihindurwa kuruhande rwa AC ni 810 / 1.414 = 601V.Urebye ihindagurika rya 10% hamwe na kare na nijoro, aho kuba hamwe nibindi bintu, bizasobanurwa nka 450-550.Niba ikigezweho ari gito cyane, ikizaba kinini kandi ubushyuhe buzaba bunini.Kubijyanye na inverteri ikomatanyirijwe hamwe, ibisohoka voltage igera kuri 300V naho ikigezweho ni 1000A kuri 1000VDC, naho voltage isohoka ni 540V kuri 1500VDC, naho ibisohoka ni 1100A.Itandukaniro ntabwo rinini, bityo urwego rwubu rwo guhitamo ibikoresho ntiruzaba rutandukanye cyane, ariko urwego rwa voltage rwiyongereye.Ibikurikira bizaganira kubyasohotse kuruhande rwa voltage nka 540V.

Gukoresha 1500V izuba riva mumashanyarazi

Kumashanyarazi manini manini yubutaka, sitasiyo yubutaka nubutaka bwiza buhujwe na inverteri, kandi inverteri nyamukuru zikoreshwa zishyizwe hamwe, zikwirakwizwa hamwe nimbaraga nini cyane.Iyo sisitemu ya 1500V ikoreshwa, gutakaza umurongo wa DC bizagabanuka, imikorere ya inverter nayo iziyongera.Imikorere ya sisitemu yose iteganijwe kwiyongera 1.5% -2%, kubera ko hazabaho impinduka-ya-mpinduramatwara kuruhande rusohoka rwa inverter kugirango izamure hagati ya voltage kugirango yohereze amashanyarazi kuri gride bitabaye ngombwa kuri Major impinduka kuri gahunda ya sisitemu.

Fata umushinga wa 1MW nk'urugero (buri mugozi ni 250W modules)