1500Vdc ngwa na sistemụ fotovoltaic
Mbenata na-akwụ ụgwọ ma na-amụba arụmọrụ kemgbe nduzi nke electric ndị mmadụ na-eme mgbalị
Vdị 1500VDC na nhọrọ a na-apụghị izere ezere nke usoro parity
Mbelata ego na ịbawanye arụmọrụ abụwo ntụzi nke mbọ ndị eletrik. N'ime ha, ọrụ nke teknụzụ ọhụụ bụ isi. Na 2019, site na nkwado enyemaka nke China, 1500Vdc nwere olile anya dị elu.
Dabere na data IHS sitere na nzukọ nyocha na nyocha, ebuputara usoro 1500Vdc na 2012, na FirstSolar tinyere ego mbụ 1500Vdc fotovoltaic ike na ụwa na 2014. Na Jenụwarị 2016, ụlọ ngosi ngosi ngosi 1500Vdc mbụ nke ụlọ bụ Golmud Sunshine Qiheng New Energy A na-ejikọta Golmud 30MW Photovoltaic Power Generation Project na grid maka ike ọgbọ, na-egosi na ngwa ngwa ụlọ 1500Vdc na sistemụ fotovoltaic abanyela na ọkwa nke ngwa ngosi ngosi bara nnukwu uru. Afọ abụọ mgbe nke ahụ gasịrị, na 2018, etinyerela teknụzụ 1500Vdc n'ọtụtụ mba na ụlọ. Otu n'ime usoro nke atọ nke ọrụ ụlọ nke malitere ọrụ na 2018, ọrụ Golmud nwere ọnụahịa kacha ala (0.31 yuan / kWh), yana ọrụ GCL Delingha na Chint Baicheng niile ejirila teknụzụ 1500Vdc. E jiri ya tụnyere usoro foto nke 1000Vdc fotovoltaic, ejirila ngwa ngwa 11500Vdc na sistemụ fotovoltaic n'oge na-adịbeghị anya. Mgbe ahụ anyị nwere ike ịnweta ajụjụ ndị dị mfe:
Gini mere iji mee ka voltage si 1000Vdc rue 1500Vdc?
Ewezuga onye ntụgharị, ihe eletriki ndị ọzọ enwere ike iguzogide nnukwu ọkụ nke 1500Vdc?
Olee otú irè bụ 1500Vdc usoro mgbe eji?
1. Nka na ụzụ uru na ọghọm nke ngwa 1500Vdc na sistemu fotovoltaic
nyocha uru
1) Belata ego nke nkwụsị igbe na USB cable
Na "Usoro maka Nhazi nke Osisi Ike Ike Foto (GB 50797-2012)", nha nke modul fotovoltaic na inverters kwesịrị ịgbaso usoro ndị a: Dịka usoro a dị n'elu na akụkụ ndị dị mkpa nke ihe ndị mejupụtara, eriri nke ọ bụla nke usoro 1000Vdc bụ ihe niile dị 22, ebe eriri ọ bụla nke usoro 1500Vdc nwere ike ikwe ka ihe 32 dị.
Na-ewere otu 285W modul 2.5MW ike ọgbọ unit na eriri inverter dị ka ihe atụ, 1000Vdc usoro:
408 eriri foto, 816 ụzọ abụọ nke ntọala
34 set nke 75kW eriri ntụgharị
1500Vdc usoro:
280 fotovoltaic iche iche eriri
700 ụzọ dị iche iche nke ikpo
14 set nke 75kW eriri ntụgharị
ka a na-ebelata ọnụ ọgụgụ nke eriri, ọnụọgụ nke eriri DC jikọtara n'etiti ihe ndị ahụ na eriri AC n'etiti eriri na ntụgharị.
2) Belata DC akara ọnwụ
∵ P = IRI = P / U
U na-abawanye site na oge 1.5 → M na-aghọ (1 / 1.5) → P na-aghọ 1 / 2.25
R = ρL / S DC cable L na-aghọ 0.67, 0.5 ugboro mbụ
∴ R (1500Vdc) <0.67 R (1000Vdc)
Na nchịkọta, 1500VdcP nke akụkụ DC bụ ihe dịka 0.3 ugboro 1000VdcP.
3) Belata ụfọdụ ego nke injinịa na ọdịda
N'ihi nbelata ọnụ ọgụgụ nke eriri DC na igbe nkwụsị, a ga-ebelata ọnụ ọgụgụ njikọ eriri na igbe ntanetị ndị e tinyere n'oge a na-ewu ihe, isi ihe abụọ a na-adaba adaba. Yabụ, 1500Vdc nwere ike belata ọnụego ọdịda ụfọdụ.
4) Belata ego
Bawanye ọnụ ọgụgụ nke otu eriri nwere ike belata ọnụahịa nke otu watt. Esemokwu ndị bụ isi bụ ọnụọgụ ntọala, ogologo nke eriri mgbe njikọta DC, na ọnụọgụ igbe igbe (etiti).
N'ihe gbasara atụmatụ 22 nke usoro 1000Vdc, atụmatụ 32 nke usoro 1500Vdc nwere ike ịchekwa ihe dịka 3.2 ihe / W maka eriri na ntọala ntọala.
Nyocha ọghọm
1) Nweta ngwa chọrọ
E jiri ya tụnyere usoro 1000Vdc, voltaji mụbara na 1500Vdc nwere mmetụta dị ukwuu na ndị na-agbaji sekit, fuuz, ngwaọrụ nchedo ọkụ na ịgbanye ike ọkụ, wee wepụta ihe dị elu maka iguzogide voltaji na ntụkwasị obi, na ọnụahịa nke akụrụngwa ga-abawanye ụba .
2) Nchọpụta nchekwa dị elu
Mgbe voltaji abawanye na 1500Vdc, ihe egwu nke ịgbagha eletriki na-abawanye, si otú a na-emezi nchedo mkpuchi na ikpochapụ ọkụ. Na mgbakwunye, ozugbo ihe ọghọm mere n'akụkụ DC, ọ ga-enwe nsogbu nsogbu arc DC na-aka njọ. Yabụ, usoro 1500Vdc na - abawanye usoro nchekwa nchekwa sistemụ.
3) Mee ka ohere PID dịkwuo elu
Mgbe ejikọtara modulu fotovoltaic n'usoro, ugbua mmiri mmiri a kpụrụ n'etiti sel nke modulu dị elu na ala bụ ihe dị mkpa kpatara mmetụta PID. Mgbe voltaji na-abawanye site na 1000Vdc ruo 1500Vdc, o doro anya na ọdịiche dị n'etiti cell na ala ga-abawanye, nke ga-eme ka ohere PID dịkwuo elu.
4) Mee ka nha nha
Enwere ụfọdụ ọnwụ nke dakọtara n'etiti eriri fotovoltaic, ọkachasị kpatara ihe ndị a:
- Ike ụlọ ọrụ nke modul fotovoltaic dị iche iche ga-enwe ntụgharị nke 0 ~ 3%. Ihe mgbawa ndị a guzobere n'oge njem na ntinye ga-eme ka ike gbanwee.
- Akpachapụghị anya attenuation na mkpumkpu igbochi mgbe echichi ga-emekwa ka a ike ndiiche.
- N'ihi ihe ndị a dị n'elu, ịba ụba eriri ọ bụla site na 22 ihe dị na 32 ga-eme ka ọnwụ nha ahụ pụta.
- Na nzaghachi nye nsogbu ndị a dị n'elu nke 1500V, mgbe ihe fọrọ nke nta ka ọ bụrụ afọ abụọ nke nyocha na nyocha, ụlọ ọrụ akụrụngwa emewokwa ihe ụfọdụ.
Nke abuo, ihe 1500Vdc fotovoltaic system core equipment
1. Modul fotovoltaic
Anyanwụ mbụ, Artus, Tianhe, Yingli, na ụlọ ọrụ ndị ọzọ butere ụzọ n’ichepụta modulu foto foto 1500Vdc.
Kemgbe emechara ihe ọkụkụ ọkụ ọkụ 1500Vdc nke izizi nke ụwa mejupụtara na 2014, ngwa ngwa nke usoro 1500V gara n'ihu ịgbasa. N'ịbụ nke ọnọdụ a kpaliri, ụkpụrụ IEC malitere itinye nkọwa ndị metụtara 1500V na ntinye nke ụkpụrụ ọhụrụ ahụ. Na 2016, IEC 61215 (maka C-Si), IEC 61646 (maka obere ihe nkiri), na IEC61730 bụ ụkpụrụ nchekwa nchekwa dị n'okpuru 1500V. Standardskpụrụ atọ a jikọtara ule nyocha na nchekwa nke nchekwa nke usoro 1500V ma mebie ihe mgbochi ikpeazụ nke ihe 1500V chọrọ, nke na-akwalite nrube isi nke ogo 1500V ọdụ ọdụ.
Ka ọ dị ugbu a, ndị na-emepụta akara izizi nke China ewepụtala ngwaahịa 1500V tozuru etozu, gụnyere otu akụkụ, akụkụ abụọ, akụkụ iko abụọ, ma nweta asambodo metụtara IEC.
Na nzaghachi nye nsogbu PID nke ngwaahịa 1500V, ndị na-emepụta ihe ugbu a na-ewere usoro abụọ a iji hụ na arụmọrụ PID nke ihe 1500V na ihe 1000V dị iche iche ka nọ n'otu ọkwa.
1) Site na ịkwalite igbe nkwụsị na ịkachasị ihe eji eme ihe iji mezuo oghere 1500V na njedebe chọrọ;
2) Okpukpo nke ihe eji eme ihe n'azu jiri 40% bulie mkpuchi ma kwado nchekwa nke ihe mejuputara;
Maka mmetụta PID, onye nrụpụta ọ bụla na-ekwe nkwa na n'okpuru usoro 1500V, ihe mejupụtara ya ka na-ekwenye na nrụpụta PID erughị 5%, na-ahụ na arụmọrụ PID nke ihe ndị mejupụtara na-anọgide n'otu ọkwa ahụ.
2. Ntughari
Ndị nrụpụta si mba ofesi dịka SMA / GE / PE / INGETEAM / TEMIC n’ozuzu ha weputara ihe ngwangwa 1500V ihe ngbanwe gburugburu 2015. Ọtụtụ ndị nrụpụta ụlọ izizi wepụtara ụlọ ọrụ inverter dabere na usoro 1500V, dịka Sungrow SG3125, Huawei’s SUN2000HA series, wdg, na, bụ ndị mbụ ewepụtara na ahịa US.
NB / T 32004: 2013 bụ ọkọlọtọ nke ngwaahịa ndị na-atụgharị anụ ụlọ ga-ezute mgbe ha na-ere ahịa. Akụkụ dị mkpa nke ọkọlọtọ a gbanwere bụ ntụgharị ntụgharị fotovoltaic jikọtara ya na njikọ iyi iyi PV nwere voltaji na-agaghị agafe 1500V DC na ọkụ eletrik AC karịrị 1000V. Standardkpụrụ ahụ n'onwe ya gụnyererịrị DC 1500V dị nso ma na-enye nnwale achọrọ maka PV elegharị anya eletrik, ikpo ọkụ eletrik, ebe dị anya, ike na-eguzogide ike na ule ndị ọzọ.
3. Igbe ngwakọta
Standardskpụrụ maka igbe igwekota na igodo ngwaọrụ ọ bụla dị njikere, na 1500Vdc abanyela asambodo igbe ngwakọta ihe atụ CGC / GF 037: 2014 "Photovoltaic combiner equipment technical specifications".
4. USB
Ka ọ dị ugbu a, ebutala ọkwa 1500V maka eriri fotovoltaic.
5. Gbanwee na àmụmà nchedo
Na ụlọ ọrụ fotovoltaic na oge 1100Vdc, ike nrụpụta nke inverter ruru 500Vac. Nwere ike gbaziri usoro ihe ntanetị ọkụ 690Vac na ngwaahịa ndị na-akwado ya; si 380Vac voltaji ka 500Vac voltaji, e nweghị mgba ọkụ kenha nsogbu. Otú ọ dị, na oge mbụ nke 2015, ụlọ ọrụ fotovoltaic na ike niile na-ekesa enweghị 800Vac / 1000Vac ike nkesa ọkụ na nkọwa ndị ọzọ, na-ebute nsogbu na ịkwado ngwaahịa ahụ dum na ụgwọ nkwado dị elu.
Nkọwa zuru ezu
Ejirila 1500Vdc fotovoltaic sistemu eji arụ ọrụ na mba ofesi ma bụrụkwa teknụzụ ngwa tozuru etozu na ụwa niile.
Ya mere, akụrụngwa bụ isi nke sistemụ fotovoltaic enwetala mmepụta ọtụtụ, ọnụahịa ahụ adaala nke ukwuu ma e jiri ya tụnyere ọkwa ngosi na 2016.
1500Vdc ngwa na sistemụ fotovoltaic
Dịka e kwuru n'elu, etinyere usoro foto foto nke 1500Vdc na mba ofesi dika mbido afọ 2014 n'ihi ọnụ ahịa ya niile na nnukwu ike ya.
Global 1500Vdc ngwa na fotovoltaic usoro nyocha ikpe
Anyanwụ mbụ mara ọkwa na Mee 2014 na nke mbụ 1500Vdc ike osisi wuru na Deming, New Mexico ka etinye n'ọrụ. Mkpokọta ike nke ike ojii bụ 52MW, 34 arrays ịmụta 1000Vdc Ọdịdị, na ndị fọdụrụ arrays ịmụta 1500Vdc Ọdịdị.
SMA kwupụtara na July 2014 na etinyere ọkụ ọkụ foto ya nke 3.2MW nke etinyere na Sandershauser Berg ụlọ ọrụ mmepụta ihe na Niestetal, Kassel, ugwu ugwu Germany, na ụlọ ọrụ ike na-eji usoro 1500Vdc.
Ejiri 1500Vdc mee ihe n'ọtụtụ ebe na-akwụ ụgwọ dị ala
Ka ọ dị ugbu a, LSP enweela nke ọma T1 + T2 Class B + C, Class I + II PV ngwa nchekwa ngwaọrụ SPD 1500Vdc, 1200Vdc, 1000Vdc, 600Vdc a na-eji ebe niile na mbara igwe nke ike fotovoltaic.
Ngwa 1500Vdc buru ibu na sistemu fotovoltaic
Maka oge mbụ, ọrụ mmepụta ihe ike nke 257 MW nke Fu An Hua Hui na Vietnam nwere njikọta nke ọma na ntanetị. A na-eji ngwa ngbanye ụdị ihe ntụgharị dị iche iche 1500V ejiri mee ihe iji mezuo nnabata site na imewe, iwu na njikọ njikọ. Ihe oru a di na obodo Huahui, Obodo Fuhua, Phu An Province, Vietnam, ma obu nke etiti na mpaghara ndida. N'iburu n'uche gburugburu ala mpaghara na akụnụba nke ọrụ a, onye ahịa ahụ mechara họpụta ihe ntụgharị ụdị ụdị ntụgharị nke 1500V.
Pụrụ ịdabere na ngwọta
N'ihe ngosi ihe ngosi nke fotovoltaic, ndị ahịa nwere iwu siri ike maka iwu na mma ngwaahịa. Ntinye ikike nke oru ngo na DC nke oru a bu 257 MW, nke mejuputara 1032 nke igbe 1500V DC, ihe ngbanye 86 nke 1500Vdc 2.5MW ndi nchighari ndi mmadu, ihe 43 nke 5MVA ndi na-agbanwe agbanwe na ihe ndi ozo. maka mgbanaka netwọkụ mgbanaka, na-eme ka ọ dị mfe Nwụnye na ịnye ọrụ nwere ike belata usoro owuwu ma belata ọnụ ahịa usoro.
Ihe ngwọta 1500V na-eweta "nnukwu teknụzụ"
Ihe ngosiputa ihe ndi ozo di iche iche nke 1500V nwere ihe omuma nke 1500V, uzo di iche iche, oke ikike di elu, onye na-agbanye ike di elu, ihe ndi ozo di omimi, wdg, nke na-ebelata onu ahia nke ngwa dika eriri na igbe ntanye. Belata ụgwọ ego mbụ. Karịsịa, ogo ogo ogo dị elu na-emeziwanye njikwa ogo ojiji zuru oke ma setịpụ ikike ikike ezi uche dị na ya site na ịnyefe ihe iji mee ka usoro LCOE dị mma.
A na-eji ihe ngwọta 1500VDC arụ ọrụ fotovoltaic nke ihe karịrị 900MW na Vietnam. Vietnam Fu An Hua Hui 257MW oru ngo fotovoltaic bụ nnukwu ọrụ ọdụ ụgbọ elu fotovoltaic kachasị elu. Dika ihe mbu nke oru ohuru ohuru na Vietnam, mgbe emechara oru a, o gha eme ka ikike nke Vietnam di ike, belata nsogbu enweghi ike na ndida Vietnam, ma kwalite mmepe aku na uba na Vietnam Nke bara nnukwu uru.
Ngwa 1500Vdc dị na sistemụ fotovoltaic ka dị anya site na nnukwu-ọnụ ọgụgụ?
E jiri ya tụnyere 1000Vdc fotovoltaic sistemụ a na-ejikarị na ọdụ ụgbọ elu fotovoltaic, nyocha nke ngwa 1500Vdc na sistemụ fotovoltaic nke ndị nrụpụta ntụgharị na-eduzi n'oge na-adịbeghị anya ghọrọ ụlọ ọrụ teknụzụ ụlọ ọrụ na-ekpo ọkụ.
Ọ dị mfe ịnwe ajụjụ ndị dị ka:
Gini kpatara iweli voltaji na 1000Vdc rue 1500Vdc?
Ewezuga onye ntụgharị, ihe eletriki ndị ọzọ enwere ike iguzogide nnukwu ọkụ nke 1500Vdc?
Onwere onye ji 1500Vdc sistemụ ugbu a? Olee mmetụta ọ na-enwe?
Uru teknụzụ na ọghọm nke ngwa 1500Vdc na sistemu fotovoltaic
1. Nyocha Uru
1) Belata ojiji nke igwekota igwe na eriri USB. Eriri ọ bụla nke sistemụ 1000Vdc bụ ihe niile dị 22, ebe eriri ọ bụla nke usoro 1500VDC nwere ike ikwe 32 ihe. Were mpaghara ọgbọ ike 265MW 1W dị ka ihe atụ,
1000Vdc usoro: 176 foto ndọtị foto na igbe igbe 12;
1500Vdc usoro: 118 foto ndọtị foto na igbe igbe 8;
Ya mere, ọnụọgụ nke eriri DC site na modulu fotovoltaic ruo na igbe igwekota bụ ihe dịka ugboro 0.67, ọnụọgụ DC si na igwe na-agwakọta ya na ntụgharị bụ ihe dịka oge 0.5.
2) Belata DC akara ọnwụ DCP ọnwụ = I2R USB I = P / U
∴U na-abawanye site na oge 1.5 → M na-aghọ (1 / 1.5) loss P na-aghọ 1 / 2.25
Na mgbakwunye, eriri R = ρL / S, L nke eriri DC na-aghọ 0.67, 0.5 nke mbụ
∴R eriri (1500Vdc) <0.67R USB (1000Vdc)
Na nchịkọta, ọnwụ 1500VdcP nke akụkụ DC bụ ihe dịka oge 0.3 nke ọnwụ 1000VdcP.
3) Belata ụfọdụ ego nke injinịa na ọdịda
Dika onu ogugu DC na igbe igwekota na-ebelata, onu ogugu nke ihe ndi ozo na ihe ntaneti nke etinye n'ime oge a ga-ebelata, isi ihe abuo a nwere ike ida. Yabụ, 1500Vdc nwere ike belata ọnụego ọdịda ụfọdụ.
2. ọghọm analysis
1) asebawanye na ihe achọrọ iji ya tụnyere usoro 1000Vdc, ịbawanye voltaji na 1500Vdc nwere mmetụta dị ukwuu na ndị na-agbaji okirikiri, fuuz, ndị na-ejide ọkụ, na ịgbanye ọkụ ọkụ, ma na-ebute volta dị elu na ntụkwasị obi chọrọ. melite.
2) Nchọpụta nchekwa dị elu Mgbe voltaji abawanye na 1500Vdc, ihe egwu nke mbibi eletriki na njupụta na-abawanye ka mkpuchi mkpuchi mkpuchi na ikpo ọkụ eletrik ga-akawanye mma. Na mgbakwunye, ọ bụrụ na ihe ọghọm emee n'akụkụ DC, ọ ga-enwe nsogbu ikpochasị DC arc ka njọ. Ya mere, usoro 1500Vdc na-ewelite ihe sistemu chọrọ maka nchekwa nchekwa.
3) asingbawanye nsonaazụ PID nwere ike ị rụchaa PV modul ejikọrịrịrị n'usoro, nkwụsị mmiri dị ugbu a n'etiti sel nke modulu dị elu na ala bụ ihe dị mkpa maka mmetụta PID (maka nkọwa zuru ezu, biko zaghachi "103 ”N’azụ azụ). Mgbe voltaji mụbara site na 1000Vdc ruo 1500Vdc, o doro anya na ọdịiche voltaji dị n'etiti mgbawa batrị na ala ga-abawanye, nke ga-eme ka ohere PID dịkwuo elu.
4) Increbawanye nha na-adaba E nwere otu ihe nha na-adaba n'etiti eriri fotovoltaic, nke kachasị kpatara ya:
Ike ụlọ ọrụ nke modul fotovoltaic dị iche iche ga-enwe ntụgharị nke 0 ~ 3%.
Zoro ezo cracks kpụrụ n'oge njem na echichi ga-eme ka ike dị iche
Akpachapụghị anya attenuation na mkpumkpu echebe mgbe echichi ga-emekwa ka a ike ndiiche.
N'ihi ihe ndị a dị n'elu, ịba ụba eriri ọ bụla site na 22 ihe dị na 32 ga-eme ka ọnwụ nha ahụ pụta.
3. Nchịkọta zuru ezu Na nyocha ahụ dị n'elu, ego ole 1500Vdc nwere ike iji tụnyere 1000Vdc nwere ike melite arụmọrụ ọnụahịa, yana nyocha ndị ọzọ dị mkpa.
Okwu Mmalite: E jiri ya tụnyere 1000Vdc fotovoltaic sistemụ a na-ejikarị eme ihe na osisi ike fotovoltaic, nyocha nke ngwa 1500Vdc na sistemụ fotovoltaic nke ndị na-emepụta ntụgharị gbanwere ghọrọ ụlọ ọrụ teknụzụ ụlọ ọrụ na nso nso a. Mgbe ahụ anyị nwere ike ịnwe ụdị ajụjụ a.
Nke abuo, akụrụngwa akụrụngwa nke usoro fotovoltaic na 1500Vdc
1) Photovoltaic modul Ka ọ dị ugbu a, FirstSolar, Artes, Trina, Yingli na ụlọ ọrụ ndị ọzọ ebidola modulu foto 1500Vdc, gụnyere modulu ndị a na-ahụ anya na modulu iko abụọ.
2) Inverter Ugbu a, ndị na-emepụta ihe izizi ewepụtala 1500Vdc inverters nwere ikike nke 1MVA ~ 4MVA, bụ nke etinyere na ọdụ ike ngosi. Ejiri ọkwa IEC dị mkpa kpuchie ogo nke 1500Vdc.
3) ardskpụrụ maka igbe igbe na isi ihe ndị ọzọ Combiner igbe na isi ihe dị njikere, na 1500Vdc abanyela asambodo igbe ngwakọta ihe atụ CGC / GF037: 2014 "Nkọwapụta teknụzụ maka Photovoltaic Combined Equipment"; 1500Vdc ejirila ọtụtụ ụkpụrụ IEC dokwuo anya dị ka nke na-esite na ntuziaka nke obere voltaji, dị ka ụkpụrụ mgbanwe nke sekit IEC61439-1 na IEC60439-1, ihe ntanetị pụrụ iche nke fotovoltaic IEC60269-6, na ihe nchekwa ọkụ ọkụ pụrụ iche nke fotovoltaic EN50539-11 / -12 .
Otú ọ dị, ebe ọ bụ na usoro 1500Vdc fotovoltaic ka na-egosi na ngosipụta na ahịa na-achọsi ike, ngwá ọrụ ndị a kpọtụrụ aha amalitebeghị mmepụta ọtụtụ.
1500Vdc ngwa na sistemụ fotovoltaic
1. Macho Springs Solar Ike Ọdụ
Firstsolar kwupụtara na Mee 2014 na ebe mbụ 1500Vdc na-arụ ọrụ ike na Deming, e tinyere NewMexico. Mkpokọta ike nke ike ojii bụ 52MW, 34 arrays iji 1000Vdc Ọdịdị, na ndị fọdụrụ arrays iji 1500Vdc Ọdịdị.
SMA kwupụtara na July 2014 na etinyere ọkụ ọkụ ọkụ ọkụ ya nke 3.2MW na Sandershauser Bergindustrialpark, ogige ntụrụndụ nke ụlọ ọrụ na Niestetal, Kassel, ugwu ugwu Germany. Osisi ike na-eji usoro 1500Vdc.
2. Ngwa ikpe na China
Golmud Sunshine Qiheng New Energy Golmud 30MW Fotovoltaic Project
Na Jenụwarị 2016, mbụ ngosipụta nke usoro mmepụta ihe nke 1500Vdc nke usoro ihe ọkụkụ nke ụlọ, Golmud Sunshine Qiheng New Energy Golmud 30MW na-arụ ọrụ mgbatị na-arụ ọrụ, bụ nke ejikọtara ọnụ na ntanetị maka ike ọgbọ, na-egosi na usoro 1500Vdc fotovoltaic anụ ụlọ abanyela n'ezie. n'ezie ngosipụta ngwa ogbo.
Mmepe nke ngwaahịa 1500V metụtara fotovoltaic adịlarị omume
A haziri ma mepụta fotovoltaic na ngwa eletriki dị na sistemụ fotovoltaic nke anyanwụ ugbu a ma mepụta ya dabere na ihe ọkụ ọkụ DC chọrọ nke 1000V. Iji mepụta mkpụrụ ka mma nke sistemụ fotovoltaic, ọganiihu chọrọ ngwa ngwa n'ihe gbasara mbelata enyemaka enyemaka fotovoltaic maka ike ọgbọ ya na-akwụ ụgwọ yana arụmọrụ ya. Ya mere, mmepe nke ngwaahịa 1500V metụtara fotovoltaic aghọwo ihe na-ewu ewu. Ihe 1500V nke nwere ike eletrik na-akwado akụrụngwa eletriki pụtara ụgwọ usoro sistemụ na nrụpụta ike ike dị elu. Mepụta ngwa ọrụ ọhụrụ a na teknụzụ nwere ike ime ka ụlọ ọrụ fotovoltaic jiri nwayọ tufuo ịdabere na enyemaka ma nweta nha nhata ịntanetị na mbido ụbọchị. Ihe 1500V chọrọ maka modul fotovoltaic, igwe ntụgharị, eriri, igbe igwekota, na njikarịcha sistemụ ”
E gosipụtara akụrụngwa dị mkpa nke usoro 1500V dị n'elu. Ihe 1500V chọrọ maka ngwaọrụ ọ bụla agbanwewokwa ya:
Ihe 1500V
• A gbanwere nhazi nke ihe dị iche iche, nke chọrọ nrịba dị elu dị elu nke ihe dị iche iche;
• Akụkụ akụrụngwa na-agbanwe, ihe na-aba ụba na nnwale chọrọ maka azụ;
• testbawanye ule chọrọ maka mkpuchi akụrụngwa, ike mgbochi volta, ụcha mmiri, na usu;
• Akụrụngwa na-eri bụ ihu ọma ewepụghị na arụmọrụ na-mma;
• E nwere ugbu a ụkpụrụ IEC maka 1500Vdc sistemụ usoro. Dị ka IEC 61215 / IEC 61730;
• 1500Vdc usoro ihe mejupụtara nke ndị nrụpụta bụ isi agafeela asambodo ndị dị mkpa yana ule arụmọrụ PID.
USB 1500V DC
• E nwere ọdịiche dị iche na mkpuchi, ọkpụkpọ n'ọbọ, ellipticity, mkpuchi mkpuchi, mgbatị ọkụ, ịgba nnu, na nnwale anwụrụ ọkụ, na ule ọkụ ọkụ.
1500V igwekota igbe
• Ule a choro maka ikpochapu eletriki na ebe dị omimi, ike ọkụ ọkụ na ike na-eguzogide voltaji na mkpuchi mgbochi;
• E nwere ndịiche na ndị na-ejide ọkụ ọgbụgba, ndị na-agbaji okirikiri, fuuzị, wires, ebe ike sitere na onwe ha, diodes na-emegide ya, na njikọta;
• kpụrụ maka igbekota ihe na igbe ndị bụ isi dị ebe.
Onye ntụgharị 1500V
• Ndị na-ejide àmụmà, ndị na-agbaji sekit, fuuz, na ịgbanye ọkụ ọkụ dị iche;
• Mgbapu, nhichapụ eletriki, na nkwụsị nkwụsị site na ịrị elu volta;
• Ejiri ọkwa IEC dị mkpa kpuchie ogo 1500V.
Usoro 1500V
Na nhazi nke eriri 1500V usoro, ihe dị iche iche nke eriri ọ bụla nke usoro 1000V dịbu 18-22, ma ugbu a, usoro 1500V ga-eme ka ọnụ ọgụgụ nke ihe ndị mejupụtara na 32-34 mụbaa, na-eme ka ọtụtụ ụdọ belata ma bụrụ eziokwu.
Sistemụ usoro ike fotovoltaic ugbu a, Voltage DC-n'akụkụ 450-1000V, AC-n'akụkụ voltage 270-360V; Usoro 1500V, ọnụọgụ nke otu eriri eriri rịrị elu site na 50%, DC-side voltage 900-1500V, AC-side 400-1000V, ọ bụghị naanị ọnụọgụ akụkụ DC na-ebelata Ọnwụ akara n'akụkụ AC adaala nke ukwuu. Ihe 1500V chọrọ maka akụrụngwa, inverters, cables, igwekota igwe, na njikarịcha sistemụ ”
N'ihe banyere ndị ntụgharị, e jiri 1MW centralized inverters mee ihe n'oge gara aga, ma ugbu a, ha nwere ike gbasaa na ntụgharị 2.5MW mgbe ha jiri usoro 1500V; na ọnụ ọgụgụ voltaji nke AC n'akụkụ abawanye. Ndị ntụgharị nke otu ike na AC n'akụkụ Mbelata mmepụta ugbu a na-enyere aka belata ọnụahịa nke ntụgharị.
Site na ngụkọta zuru ezu, mgbe mmụba teknụzụ nke usoro 1500V, enwere ike belata ọnụahịa usoro ihe site na ihe dị ka 2 cents, yana arụmọrụ arụmọrụ nwere ike ịbawanye site na 2%. Yabụ itinye nke usoro 1500V bụ nnukwu enyemaka iji belata ụgwọ usoro.
Site n'iji usoro 1500V, ọnụ ọgụgụ nke ihe ndị dị na usoro na-abawanye, ọnụ ọgụgụ nke njikọ ndị yiri ya na-ebelata, ọnụ ọgụgụ nke eriri na-ebelata, ọnụ ọgụgụ nke ndị na-agwakọta na ndị na-agbanwe agbanwe na-ebelata. A na-amụba voltaji, ọnwụ na-ebelata, na arụmọrụ ka mma. Belata ntinye na nrụzi ọrụ na-ebelata nrụnye na mmezi mmezi. Nke a nwere ike belata ọnụahịa eletrik LCOE uru.
Nnukwu ihe! 1500V fotovoltaic usoro na-eme ka ọbịbịa nke oge parity na-eme ka ọ dị ngwa
Na 2019, na mgbanwe nke atumatu fotovoltaic, ụlọ ọrụ a na-arịọ iji belata ọnụ ahịa ọkụ eletrik, ọ bụkwa omume a na-apụghị izere ezere ịkwaga na ịnweta ọnụọgụ affordablentanetị ọnụ. Ya mere, teknụzụ ọhụụ bụ ihe nrịba ama, na-ebelata ọnụ ahịa ọkụ eletrik ma belata ịdabere na enyemaka na-abụ ụzọ ọhụụ maka mmepe ahụike nke ụlọ ọrụ fotovoltaic. N'otu oge ahụ, China, dịka onye na-eduzi ụwa nke ụlọ ọrụ fotovoltaic, enyerela ọtụtụ mba aka ịha nhata na ịntanetị, mana ọ ka dị anya site na ịkpa oke na Intanet maka ọtụtụ ebumnuche.
Isi ihe mere n'ahịa ahịa ahịa nke mba ofesi nwere ike nweta nha anya bụ na mgbakwunye na uru China nwere n'ihe gbasara ego, ala, nnweta, ọkụ, ọnụ ahịa ọkụ eletrik, wdg, ihe dị mkpa na ihe mmụta mụtara bụ na ha dị obere China ka ukwuu dị elu. Dịka ọmụmaatụ, usoro fotovoltaic na voltage nke 1500V. Ka ọ dị ugbu a, ngwaahịa ndị metụtara larịị nke 1500V abụrụla ihe ngwọta kachasị maka ahịa fotovoltaic na mba ofesi. Ya mere, fotovoltaics nke ụlọ kwesịrị ilekwasị anya na usoro ọhụụ nke usoro, mee ngwa ngwa nke 1500V na teknụzụ ndị ọzọ dị elu, chọpụta mbelata ego, arụmọrụ, na mmelite mma nke ụlọ ọrụ ike, ma kwalite ụlọ ọrụ fotovoltaic iji kwaga oge oge.
Mmiri 1500V ekpochapụla ụwa
Dika akuko IHS si kwuo, ihe mbu eji eme ihe banyere 1500V usoro malitere na 2012. Site na 2014, FirstSolar tinyere ego na mbu 1500V nke ike fotovoltaic. Dabere na ngụkọta oge nke FirstSolar: 1500V foto nke fotovoltaic na-ebelata ọnụ ọgụgụ nke sekit ndị yiri ya site na ịbawanye ọnụ ọgụgụ modul fotovoltaic; na-ebelata ọnụ ọgụgụ igbe na eriri; n'otu oge ahụ, mgbe voltaji na-abawanye, a na-ebelata eriri USB, a na-emeziwanye arụmọrụ ike nke usoro ahụ.
Na 2015, onye na-emepụta ntụgharị China nke Sunshine Power butere ụzọ n'ịkwalite usoro sistemụ dabere na nhazi ntụgharị 1500V na ụlọ ọrụ ahụ, mana n'ihi na ihe ndị ọzọ na-akwado akwadobebeghị ụlọ ọrụ mmepụta ihe zuru oke na China, ụlọ ọrụ ntinye ego amachaghị nke a, Kama ibute mmụba nke mba ofesi mgbe mmụba nke ụlọ buru ibu, o buru ụzọ "merie" ụwa wee laghachi n'ahịa ndị China.
Site na echiche nke ụwa zuru ụwa ọnụ, usoro 1500V abụrụla ọnọdụ dị mkpa maka nnukwu ọrụ fotovoltaic iji belata ụgwọ ma bulie arụmọrụ. Na mba ndị nwere ọnụahịa ọkụ eletrik dị ala dịka India na Latin America, nnukwu ụlọ ọrụ ike fotovoltaic na-agbaso atụmatụ ịgbazinye 1500V; mba ndị nwere ahịa ike mepere emepe na Europe na United States agbanweela ọkụ ọkụ DC site na 1000V fotovoltaic na 1500V; ahịa ndị dị ka Vietnam na Middle East abanyelarịrị usoro 1500V. Okwesiri ighota na eji otutu oru 1500W volt GW-photovoltaic mee ihe n’uwa dum ma tinye otutu ihe ngbanye onu ahia n’uwa n’iile.
Na United States, ikike arụnyere nke ngwa 1500Vdc na 2016 gụrụ 30.5%. Na 2017, ọ gbagoro okpukpu abụọ na 64.4%. A na-atụ anya na ọnụ ọgụgụ a ga-eru 84.20% na 2019. Dị ka ụlọ ọrụ EPC dị na mpaghara si kwuo: “stationlọ ọrụ ọgbara ọhụrụ ọ bụla nke 7GW kwa afọ na-eji 1500V. Iji maa atụ, ọdụ ike izizi buru ibu nke fotovoltaic dị na Wọwik, bụ nke jikọtara na grid, na-eji ihe ngbanye ọkụ ntụgharị nke 1500V nke anwụ na-acha ọkụ.
Dabere na atụmatụ, e jiri ya tụnyere sistemụ 1000V, mbelata ego yana mmụba arụmọrụ nke 1500V na-egosipụtakarị na:
1) Ọnụ ọgụgụ nke ihe ndị ejikọtara na usoro ejirila 24 blocks / string gaa na 34 blocks / string, na-ebelata ọnụ ọgụgụ nke eriri. N'ikwekọ, oriri nke eriri fotovoltaic belatara site na 48%, ọnụahịa nke akụrụngwa dị ka igbe ndị na-ekpokọta akụ belatara ihe dịka 1/3, ọnụ ahịa ejirila ihe dị ka 0.05 yuan / Wp belatara;
2) Theba ụba nke ihe ndị mejupụtara na usoro na-ebelata usoro ọnụahịa nke nkwado, ntọala ikpo, iwu, na ntinye site na ihe dịka 0.05 yuan / Wp;
3) A na-amụba volta ejikọtara AC nke usoro 1500V site na 540V ruo 800V, isi ihe ejikọtara ọnụ na-ebelata, enwere ike belata ọghọm sistemụ AC na DC site na 1 ~ 2%.
4) Dabere na okwu tozuru oke nke ahịa esenidụt, a ga-ahazi ikike kachasị mma nke otu mpaghara nwere ike ịbụ 6.25MW na sistemụ 1500V, ọbụnakwa ruo 12.5MW na mpaghara ụfọdụ. Site na ịbawanye ikike nke otu obere usoro, enwere ike belata ọnụahịa akụrụngwa AC dịka ndị na-agbanwe ọkụ.
Ya mere, jiri ya tụnyere usoro 1000V ọdịnala, usoro 1500V nwere ike belata ọnụ ahịa site na 0.05 ~ 0.1 yuan / Wp, na ọgbọ ike n'ezie nwere ike ịbawanye site na 1 ~ 2%.
Na-amụba site na "ikike" usoro 1500Vdc usoro anụ ụlọ
E jiri ya tụnyere ahịa mba ụwa, na mmalite afọ nke ụlọ ọrụ foto foto nke China, n'ihi usoro ntinye aka nke ụlọ ọrụ teknụzụ, usoro 1500V bidoro n'oge na mmepe ya adịghị nwayọ. Naanị ụlọ ọrụ ole na ole dịka Sunshine Power gwụchara R & D yana asambodo. Ma site na ịrị elu nke usoro 1500V na ọkwa zuru ụwa ọnụ, ahịa ụlọ na-eji ya eme ihe, wee nweta nsonaazụ ọma na mmepe na ihe ọhụrụ nke usoro 1500V na ngwa:
- Na Julaị 2015, nke mbụ 1500V bụ onye ntụgharị nke Sunshine Power rụpụtara ma mepụta ya na China mechara mezue ule njikọ grid wee meghee mmalite nke teknụzụ 1500V na ahịa ụlọ.
- Na Jenụwarị 2016, ihe ngosi ngosipụta nke usoro ihe ọkụkụ nke izizi nke ụlọ 1500V mbụ jikọtara na ntanetị maka ike ọkụ.
- Na June 2016, na ọrụ onye ndu Datong izizi, etinyere ndị na-agbanwe ntụgharị nke 1500V na batch.
- Na August 2016, Sunshine Power butere ụzọ na ịmalite ntụgharị ntụgharị 1500V mbụ nke ụwa, na-eme ka asọmpi mba niile nke ndị ntụgharị foto ụlọ dị na mba.
N'otu afọ ahụ, ọrụ benchmarking usoro nke mbụ nke 1500V nke China bụ nke ejikọtara ọnụ na ntanetị maka ike ọgbọ na Golmud, Qinghai, na-egosi na usoro 1500Vdc fotovoltaic anụ ụlọ amalitela ịbanye n'ọhịa nke ngwa bara uru. Mkpokọta ikike arụnyere nke ụlọ ọrụ ike bụ 30MW. Sunshine Power na-enye a zuru ezu set nke ihe ngwọta maka oru ngo a, mbenata USB ego na-eri site 20%, ndị na-eri nke 0.1 yuan / Wp, na ukwuu mbenata AC na DC n'akụkụ akara ọnwụ na transformer ala voltaji n'akụkụ asọfe ọnwụ.
1500V aghọwo isi nke ahịa ụwa
Usoro 1500V, nke nwere ma mbelata ego yana arụmọrụ, ejirila nke nta nke nta bụrụ nhọrọ mbụ maka nnukwu ụlọ ọrụ ike ala. Banyere mmepe n'ọdịnihu nke usoro 1500V, IHS na-ebu amụma na òkè nke 1500V inverters ga-aga n'ihu na-abawanye na 74% na 2019 wee rịa elu na 84% na 2020, bụrụ isi ụlọ ọrụ ahụ.
Site na ikike nke 1500V arụnyere, ọ bụ naanị 2GW na 2016 ma gafere 30GW na 2018. O nwetala uto nke ihe karịrị ugboro 14 naanị n'ime afọ abụọ, a na-atụ anya na ọ ga-enwe usoro mmepe ọsọ ọsọ na-aga n'ihu. A na-atụ anya na mbupu agukọtara na 2019 na 2020 ga-abụ ọnụọgụ ga-akarị 100GW. Maka ụlọ ọrụ ndị China, Sunshine Power etinyela karịa 5GW nke 1500V inverters n'ụwa niile ma nwee atụmatụ ịmalite usoro 1500V dị elu na ndị ntụgharị ntụgharị na 2019 iji zute ngwa ngwa na-eto ngwa ngwa.
Bawanye volta DC na 1500V bụ mgbanwe dị mkpa na mbenata ọnụ ahịa yana ịbawanye arụmọrụ, ma bụrụzie ihe kachasị mkpa maka mmepe fotovoltaic mba ụwa. Site na oge enyemaka na nkwụsị na China, a ga-ejikwa usoro 1500V mee ihe na China, na-eme ka ọbịbịa nke oge zuru oke nke China.
Nchịkọta akụ na ụba nke usoro fotovoltaic 1500V
Site na 2018, n'agbanyeghị mba ọzọ ma ọ bụ ụlọ, usoro ntinye nke usoro 1500V na-ebuwanye ibu. Dabere na ọnụọgụ IHS, ngwa ntinye nke 1500V maka nnukwu ụlọ ọrụ ike mba ofesi na mba ofesi karịrị 50% na 2018; Dika onu ogugu ndi mbu, n'etiti uzo nke ato nke ndi agba oso na 2018, onu ogugu nke ngwa 1500V di n'etiti 15% na 20%.
Usoro 1500V ọ nwere ike belata ọnụ ahịa ọkụ eletrik maka ọrụ ahụ? Akwụkwọ a na-eme nyocha nke nyocha banyere akụnụba nke ọkwa volta abụọ site na nyocha ederede na data ikpe.
I. Basic imewe atụmatụ
Iji nyochaa ọnụahịa ọnụahịa nke ngwa 1500Vdc na sistemụ fotovoltaic, a na-eji atụmatụ imepụta ihe eji eme ihe iji tụnyere ụgwọ ọrụ ahụ na ụgwọ usoro 1000V nke ọdịnala.
1. mbido ngụkọta oge
1) stationlọ ala ike, ala dị larịị, arụnyere ikike ejedebeghị site na mpaghara ala;
2) A ga-atụle oke okpomọkụ na ọnọdụ dị oke ala nke ebe ọrụ ahụ dị ka 40 ℃ na -20 ℃.
3) Igosiputa igodo nke ihe ahoputara na inverters ka egosiri na okpokoro di n'okpuru.
2. Basic imewe atụmatụ
1) 1000V usoro nhazi atụmatụ
22 310W modul fotovoltaic ihu abụọ na-etolite alaka 6.82kW, alaka 2 na-etolite otu akụkụ anọ, ngalaba 240 dị mkpokọta otu narị na iri abụọ, wee banye 120 20kW inverters (oge 75 karịrị nkesa n'akụkụ DC, nweta uru na azụ) 1.09%, ọ bụ 15 ugboro karịa-ndokwa) iji mepụta 1.25MW ike ọgbọ.
A na-etinye akụrụngwa ahụ n'ụzọ kwekọrọ na 4 * 11, na n'ihu na azụ azụ abụọ na-edozi ihe nkwado.
2) 1500V usoro nhazi atụmatụ
34 310W modul fotovoltaic nwere ihu abụọ mebere ngalaba 10.54kW, alaka 2 mebere matriks akụkụ, alaka 324 nwere ngụkọta nke elekere 162, na 18 175kW inverters arụnyere (oge 1.08 karịrị nkesa n'akụkụ DC, uru na azụ Constụle 15%, ọ bụ 1.25 ugboro over-provisioning) na-etolite a 3.415MW ike ọgbọ unit.
A na-etinye akụkụ ahụ n'ụzọ kwụ ọtọ na 4 * 17, na ihu na azụ azụ abụọ na post abụọ.
Nke abuo, mmetụta nke 1500V na ntinye ego mbu
Dika atụmatụ atumatu di n'elu, nyocha nyocha nke ihe injinia na onu ahia nke usoro 1500V na usoro 1000V nke omenala bu ihe ndia.
Isiokwu 3: Ntinye ego nke 1000V usoro
Isiokwu 4: Ntinye ego nke 1500V usoro
Site na nyocha ntụnyere, achọpụtara na e jiri ya tụnyere usoro 1000V ọdịnala, usoro 1500V na-echekwa ihe ruru 0.1 yuan / W nke ụgwọ usoro ahụ.
Nke atọ, mmetụta nke 1500V na ọgbọ ike
Gbasara oge:
N'iji otu ihe eji eme ihe, enweghi ihe di iche na ike ike n'ihi ihe di iche na ihe ndi ozo; na-ewere na mbara ala dị larịị, ọ gaghị enwekwa ndochi ojiji n'ihi mgbanwe nke ala;
Ihe dị iche n'ọgbọ ike na-adaberekarị na ihe abụọ: enweghị nha anya n'etiti ihe dị iche iche na eriri, nkwụsị akara DC, na nkwụsị AC.
1. mismatch ọnwụ n'etiti akụrụngwa na eriri
Ọnụ ọgụgụ nke usoro usoro nke otu alaka ụlọ ọrụ amụbaala site na 22 ruo 34. N'ihi ngbanwe ike nke W 3W n'etiti ihe dị iche iche, ike ọgbụgba dị n'etiti usoro 1500V ga-abawanye, mana enweghị ike ịgụta ọnụ ọgụgụ.
Onu ogugu uzo nke otu onye ntụgharị gbanwere site na 12 ruo 18, mana onu ogugu uzo MPPT esi abanye na 6 rue 9 iji hu na ngalaba 2 kwekọrọ na 1 MPPT. Ọnwụ MPPT anaghị abawanye.
2. Ọnwụ DC na AC
Ngụkọta oge usoro nke akara ọnwụ
Q ọnwụ = I2R = (P / U) 2R = ρ (P / U) 2 (L / S)
1) Ngụkọta oge nke DC akara ọnwụ
Isiokwu: Ọnọdụ ọnụọgụ DC maka otu alaka
Site na ngụkọta akụkọ dị n'elu, achọpụtara na nkwụsị akara DC nke usoro 1500V bụ ugboro 0.765 nke usoro 1000V, nke yiri nbelata nkwụsị akara DC na 23.5%.
2) Ngụkọta oge nke AC akara ọnwụ
Isiokwu: Ọnọdụ nkwụsị AC nke otu onye ntụgharị
Dika ngosiputa ihe edere n'elu, achoputara na ngbanye uzo DC nke usoro 1500V bu okpukpu 0.263 nke usoro 1000V, nke ya na iwetulata uzo AC site na 73.7%.
3) Ezigbo data data
Ebe ọ bụ na enweghi ike ịgbakọ ọnya na-enweghị nsogbu n'etiti ihe dị iche iche, yana ọnọdụ dị adị karịa, a ga-eji okwu ahụ mee ihe maka nkọwa ọzọ.
Isiokwu a na-eji data ike ịmepụta data nke atọ nke ọrụ ndị na-agba ọsọ n'ihu. Oge nchịkọta data sitere na Mee ruo June 2019, ngụkọta nke ọnwa 2 nke data.
Isiokwu: Nkọwa nke ike dị n'etiti usoro 1000V na 1500V
Site na tebụl dị n'elu, enwere ike ịchọta na n'otu saịtị ọrụ ahụ, na-eji otu ihe ahụ, ngwaahịa ndị na-emepụta ntụgharị, na otu usoro ntinye aka, na Mee ruo June 2019, oge ọrụ ike nke usoro 1500V bụ 1.55% elu karịa usoro 1000V.
Enwere ike ịhụ na ọ bụ ezie na mmụba nke ọnụ ọgụgụ nke otu eriri akụrụngwa ga-eme ka nsogbu ahụ ghara ịdị n'etiti ihe ndị ahụ n'ihi na ọ nwere ike belata nkwụsị akara DC site na ihe dịka 23.5% na nkwụsị AC na ihe dịka 73.7%, usoro 1500V nwere ike ịbawanye ike oru nke oru ngo.
Nke anọ, nyocha zuru ezu
Site na nyocha dị n'elu, anyị nwere ike ịchọpụta na e jiri ya tụnyere usoro 1000V ọdịnala, usoro 1500V,
1) Nwere ike ịchekwa ihe ruru 0.1 yuan / W sistemụ ego;
2) Ọ bụ ezie na mmụba nke ọnụ ọgụgụ nke otu eriri akụrụngwa ga-eme ka nsogbu ahụ ghara ịdị n'etiti ihe ndị ahụ, mana n'ihi na ọ nwere ike belata nkwụsị akara DC site na ihe dịka 23.5% na nkwụsị akara AC site na 73.7%, usoro 1500V ga-abawanye ike oru nke oru ngo.
Ya mere, ngwa 1500Vdc na sistemu fotovoltaic ego nke ike nwere ike ibelata ruo oke.
Dabere na Dong Xiaoqing, onye isi oche nke Hebei Energy Engineering Institute, ihe karịrị 50% nke atụmatụ atụmatụ atụmatụ fotovoltaic rụchara nke ụlọ akwụkwọ ahụ họọrọ 1500V; a na-atụ anya na oke 1500V nke mba nke ụlọ ọrụ ike ala na 2019 ga-eru ihe dịka 35%; a ga-amụba ya na 2020.
IHS Markit, ụlọ ọrụ na-ahụ maka ịgba izu ụwa ama ama, nyere amụma dịkwuoro nchekwube. Na akụkọ nyocha ahịa ahịa fotovoltaic ha nke 1500V zuru ụwa ọnụ, ha gosiri na ogo ọkụ ọkụ foto nke 1500V zuru ụwa ọnụ ga-agafe 100GW n'afọ abụọ na-esote
Ọnụ ọgụgụ: Amụma nke nkezi nke 1500V na ọdụ ike ụwa zuru ụwa ọnụ
Obi abụọ adịghị ya, dịka usoro ntinye ego nke ụlọ ọrụ fotovoltaic zuru ụwa ọnụ na-agba ọsọ, na nchụso ego nke ọkụ eletrik, 1500V, dị ka azịza teknụzụ nke nwere ike belata ọnụahịa ọkụ eletrik, ga-ejiwanye.
