Blolew 35 kV,400–10000 kVA Photovoltaic Combined Transformer

U DINGXIN Photovoltaic Combined Transformer yindlela eyenzelwe ukusebenza ngayo umshinana wokugcina emhlabathini ukuphakamisa ukubhala kwe-solar PV kanti Umkhakha we-PV plant ukubhala kwezinto ezihlukene kusukela ku- 400 kVA ku-10000 kVA , ngalunye umshinana uqondisa umshinana wokugcina, izinkampani zokuphakama kwe-high-voltage, izifuse, isitshixo sokuguqula isikhala, nezinkampani zokusebenza ngaphandle kokufakwa kwesikhathi esithile — njengomkhakha wokuphakamisa phakathi kwezinhlobo zokubhala kwe-PV ne-grid yezinkampani zokuphakama.

Umshinana uphakamisa ukubhala kwe-inverter — okwesibonelo 0.27 kV / 0.315 kV / 0.4 kV / 0.69 kV — ku-izindawo zokugcina umkhakha wezindawo zokugcina 10 kV / 35 kV / 38.5 kV , ekwakhiwa ukubambisana ngqo nendawo yamaphutha ephutha yomkhakha wokuphatha amandla we-PV. Amandla okuphakamisa kwaye ayathunyelwa kumsubstation wendawo ngokuthunyelwa kwemithambo emhlabeni noma ngokuthunyelwa kwemithambo emhlabeni.

Ngokuthi ukuphatha amandla we-phutha yomkhakha (photovoltaic) kuyabecala isiqinisekiso esikhulu sezindawo zokuphatha amandla emhlabeni — kusukela kuzindawo zokuphatha amandla okuhle nokusebenza kahle emhlabeni — izindlela zokuphatha amandla ze-DINGXIN PV ziyakhuluma ngokuphelele nezidingo zezindawo zokuphatha amandla we-solar ezintsha:

• Ukuphakamisa ukuphatha kwe-inverter — iyasebenzisa ukuphatha kwe-harmonic, nokuthi kungaba kunye ne-DC bias yamandla we-inverter ye-PV ngokusebenzisa ukuphatha kwe-winding nokuphatha kwe-insulation.

• Ukubambisana kwe-collector-line — iyasebenzisa i-terminal (Z) ne-ring-main (H) ukubambisana ukusuka kwezindawo zokuphatha amandla we-PV, futhi iyasebenzisa i-ring-main ukusuka kwezindawo zokuphatha amandla we-PV.

• Ukubekwa emhlabeni ngokudlula kwesikhathi eside — Isibhakabhaka se-IP68 nezindawo zokugcina ze-IP45 zizokwethula ukubhaleka kwe-UV, amandla, umthelela, nokuguqula kwesikhathi sokuchitha.

• Kuncane & kubonakalisa ukuthi kuncane ukuthuthukiswa — isibhakabhaka esincane, ukuthuthukiswa okuncane, ukufakwa ngokumelene nokulungisa kuncane, nokuhlanganisa ngokomdla nendawo yezinsuku.

Kubhoni izindlela ezimbili zokubeka isithembiso:

Izakhiwo Zamakamelo Ahlukanisiwe

Ukuze kube nemishini emikhulu ye-PV, i-DINGXIN inikeza isakhiwo se-cabine ehlukanisiwe lapho i-high-voltage cabin, i-low-voltage cabin kanye ne-transformer cabin zakha amayunithi amathathu azimele . Iyunithi ye-HV ephumayo ne-LV engenayo ihlukaniswe ngokomzimba kusuka ku-transformer, inikeza ukuphepha nokwethenjelwa okuthuthukisiwe. Ukwakheka kwekhabhinethi kungenziwa uhlobo lwe-mesh, oluqondile (olufana no-I), noma olune-L ukuze ivumelane nesakhiwo kanye nokuqondiswa kwekhebula lokuqoqa kwanoma yisiphi isitshalo se-PV.

• Ihloselwe umsebenzi we-PV Inverter Step-Up Duty Yakhelwe ngokukhethekile iphrofayela yevolthi, i-harmonic kanye ne-thermal yemikhiqizo ye-inverter yelanga. Umklamo we-Winding kanye nesigaba sokuhlukanisa sichaza amandla okufaka i-DC kanye namandla agcwele ama-harmonic akhiqizwa ama-inverter e-PV agcizelela ukuthi ama-transformer ajwayelekile wokusabalalisa awaklanyelwe ukuphatha.

• Kwakhiwe emthonjeni, ukuthi kubhekisele kahle I-Transformer, i-HV switchgear, i-fuse, i-tap switch nezinye izinkambo zokusebenza ngaphandle ziyenziwe kwi-enclosure eyodwa futhi zizwetshelwe ngaphandle kwezifundo. Umsebenzi wasekhaya uyakhala kubeka i-foundation, ukuxhuma i-cable, nokufaka isikhathi sokusebenza — okuyishelela isikhathi sokubakha i-PV plant nokholwa kwemisebenzi.

• I-Terminal esihlukahlukene nezinhlangano zokugcina i-wiring Ababini terminal (Z) kanti ring-main (H) i-wiring schemes zisivumelana, okusiza ekwenzeni i-collector-line esihlukahlukene yezinhlangano zokugcina ezihlukahlukene, ezihlukahlukene noma ezihlukahlukene kwezinhlangano zokugcina zesi-PV plant. Lokhu kusiza ekuphucukiseni i-cable runs nezinhlangano zokugcina ngokuchaza isikhondlo sokubakha nesikhondlo sokugxila kwe-grid.

• IP68 Iyashiselwe ukusuka kwezinsuku eziningi zokubhekiswa kwezilwane I-tank yenziwe yamaphethu IP68 futhi indawo yonke iyaphasa 50 kPa / 12-hour ukuchitha ukuthi kubhekwe. Indawo ekhuluphileyo iyabhekwa ngokuvikela ukugwala kwe-UV, ukufika kwamandla, ukufika kwamafutha, nokuguqula kokusha kwezinsuku — izinkinga zokuhlelwa kwesibonelo esizimele kakhulu emazweni ethayilandi, ethephu, nasezindaweni eziphakeme zokubeka i-PV.

• Ukusebenzisa I-Box Ezimbili Ngokwesibonelo Uhlobo lwesibhokisi esisemthethweni sokuqondisa isibhokisi sokuthuthukisa nezinto zokuphakama kuzoba yizindlela ezimbili zokuhlukaniswa, kusiza ukuthi isibhokisi sokuphakama ne-isibhokisi sokuthuthukisa zibe zihlolwe ngokwahlukile . Lokhu kunciphisa isikhathi sokungasebenzi kwezindawo kanye nokunconywa kakhulu kwezindawo zokubeka i-PV zokusebenza kwezinkampani, apho ukusebenza kwezibhokisi zokuthuthukisa kuyaphatha ngqo ukudvuma.

• Ukubeka kwezindawo zokuhlukaniswa ngezinyathelo zokuvikela ngokugcina amandla Ukubeka kwezindawo zokuhlukaniswa kuyabeka indawo yokuphakama, indawo yokuphansi, ne-indawo yokuthuthukisa njenge izindlela zokuhlukaniswa — apho indawo yokuphakama ne-indawo yokuphansi ziyahlukaniswa ngokwamanqoba kwezindawo zokuthuthukisa ukuthi zibe nzima kakhulu. I zinyathelo zokuvikela ziyagcina amandla ngokugcina amandla , kusiza ukuthi amandla ayavikela ngokuphelele futhi akuvikeli ukungasebenzi kwezinto zokusebenza okusukela kwezindawo zokuhlukaniswa zokuphakama.

• Ukuphakama Kakhulu, Ukuphula Okuncane, Ukulondoloza Okwengeziwe Kwenziwa ngokusebenzisa ukuphakama okwengeziwe , ukuphula okuncane, nokulondoloza okwengeziwe okugcina ukuphakama kanye nokufana komlilo . I-enclosure isetshenziswa ngokushisa okungavunyelwa ukuthi kubonelela amanzi amanzini kanye nokushisa kwezincwadi zokuvunyela , futhi isebenzisa izinkambiso zokuvunyela — okuzimelela leliqembu ukusebenza emaphakathini angafihliki emazini, emazibini kanye nemaphakathi angafihliki. Ukuzimela kakhulu nesikhathi esifushane sokuxhumana kusiza ukuxhumana kwe-remote monitoring.

Izinqambu Zokuphakama Kwemithombo Yokuqala

Imizimbi Yokuseviswa

Amalungiselelo nesibonelo

Imiphumela YokuSebenza Kwamandla (35 kV Class Oil-Immersed, PV / Wind / Storage Duty)

NX1 yindlela eya kuthi yinkimbinkibi yokusebenza kwamandla (ukuphuma kwamandla okuncane), ekusiza abasebenzisi base-PV ukuncima ukusebenza kwamandla okungafanele nokugcina izithelo zokugcina amandla emhlabathi ngeminyaka engaphezu kwe-25.

Inkcazelo Yekholi Yomodeli

I-Transformer ehlanganisiwe G (Ibhokisi Lokwabelana) / F (Ibhokisi Elihlukanisiwe) Izigaba Ezintathu Ikhodi Yezinga Lokusebenza Uhlobo Lwesikhungo Ukukhiqizwa Kwamandla E-Photovoltaic Amandla Akhonjisiwe (kVA)

• Izitshalo ze-PV Zomsebenzi Ukufakwa kwe-inverter okuyisisekelo kanye ne-MV collector-line interface yama-solar farms angu-10 MW kuya ku-500 MW +; i-ring-main wiring ivumela i-topology ye-collector engafuneki.

• I-PV / Uphahla Lwezentengiselwano Olusakazekile Amayunithi anamandla amancane okufaka i-inverter ezindaweni zokuhweba nezimboni; izintambo zokuqeda ukuze kube nokuxhumeka okulula kwe-radial.

• Izitshalo ze-PV ze-Streing Inverter Izinguquko eziningi ezincane ezihlanganisiwe ezisabalalisiwe kulo lonke uhla, ngayinye ikhonza iqoqo le-inverter ye-string.

• Izitshalo Zelanga Ezintantayo (FPV) Isikhwama esivaliwe se-IP68 esenzelwe izindawo ezinomswakama ophakeme, ezakhelene namanzi; ithangi elivaliwe livimbela ukungena komswakama.

• Amathuba aseDesert — I-enclosure esihlukile ekuthiwe ngemvula, ene-arrester yohlelo lokugcina; isebenza kuzo zonke izinsuku zokuguqula kwesikhathi sokunquma kusukela ku-−10 °C emzulwini ku-+55 °C ngomso.

• Amathuba aseHigh-Altitude — Iyavamile ukusebenza kwezindawo eziningi kakhulu kune-3000 m; indawo yokuqinisa yonke iyasinda isibonelo sokuphuma kwesithunzi kwezindawo ezingaphansi kwezinye nezinkambiso eziningi.

• Agrivoltaic (Isithunzi + Ukulima) — Isikhala esincane sisondela ukusetshenziswa kwesithunzi; i-enclosure esivamile kwezindawo zokusha isebenza ngokuhambisana nokulima.

• Amathuba asePV-Plus-Storage Hybrid — I-transformer eyengeziwe yamathuba asePV yokuvamisa inverter nesistimu yokugcina amandla we-battery (BESS) kwezindawo zokugcina zaseMV.

I-DINGXIN photovoltaic combined transformers ayabhekwa ngokwesifundo sokubeka kwezindawo. Izinketho zokwenza ngokwesifundo zilandelayo ziyatholakala:

Qhagamshela no-DINGXIN nokufakwa kwakho kwezilwane zokuhlala (isithombe sokugcina, ubukhulu bekho, uvuthi lwezindawo, imiphumela yezindawo) ukufaka isibonelo sokugcina.

Umbuzo 1: Iyiphi indlela yokugcina yezilwane zasezintaba (PV)? I-PV combined transformer yilungisele umkhombo wokugcina okuphakeme okwenzelwe amaphoyinti ase-photovoltaic. Iyakhula isiphumo se-inverter kuqondiso lokugcina lomkhakha, futhi iyengeza i-transformer body, i-HV switchgear, i-fuse nezinkambo zokusebenza ngaphandle kwekhasi elinye, okuhlinzekile ukulungisa ukusakazela kwe-collector-line kwezinhlangano zase-grid nezinhlangano zase-distributed PV.

Umbuzo 2: I-PV combined transformer ithinta kanjani nge-distribution transformer eyisisekelo? I-PV combined transformer iyakhiwa ngokuphelele ukusiza kwezinhlangano zase-solar: iyasebenza ngokuphelele ngokubhekisele kweziqu ezithile neziqu zezihlangothi zase-inverter, iyengeza i-HV switchgear neziqu zokulinda i-fuse ngokuphelele ekhasini elinye ukusakazela ngaphandle kwekhasi, futhi iyavumela ukusakazela kwe-collector-line ngokwesibhakabhaka noma ngokwesirhingi. I-distribution transformer eyisisekelo ayinakho leli qondo lokungeza noma ukukhulisa kwezinhlangano zase-solar.

Umbuzo 3: Iziphi izitha zokubeka ezikhona? (1) Izingxenye ze-sub-box ezivalelwe ngokuphelele eziguqula izinto kanye ne-HV emabhokisini amabili ahlukene ukuze zisetshenziswe ngokuzimela. (2) Uhlobo lwebhokisi lokuphuma lomkhono we-porcelain lokufakwa okujwayelekile. Uhlobo oluvikelekile ngokuphelele lunconyiwe ezitshalweni ezintsha ze-PV ezisebenza emphakathini.

Q4: Isiphi isilinganiso sokuvikelwa esinikezwa isembozo? Ithangi likawoyela linamazinga e-IP68 kanti amakamelo e-HV/LV anamazinga e-IP45. Ithangi ngalinye lidlula esivivinyweni sokuvala esingu-50 kPa / amahora angu-12 ukuze kuqinisekiswe ukuvuza kukawoyela okungekho ngaphansi kokuchayeka kwesikhathi eside kwe-UV yangaphandle, uthuli nomswakama.

Q5: Ingabe i-PV transformer ingakwazi ukubhekana nama-inverter harmonics kanye ne-DC injection? Yebo, ngiyajabula. Ama-transformer ahlanganisiwe e-DINGXIN PV aklanyelwe ukuphatha iphrofayili yamanje enama-harmonic amaningi, engaba ne-DC- biased ye-PV inverter outputs. Umklamo we-winding kanye nomkhawulo wokuhlukanisa ubhekene nokucindezelwa okuqondile kokushisa nokushisa kwe-dielectric komsebenzi wokuphakamisa i-inverter yelanga.

Q6: Yiziphi izimo zemvelo iyunithi engamelana nazo? Ukuphakama ≤ 3000 m, izinga lokushisa elingenhla -40 °C kuya ku +45 °C, isivinini somoya ongaphandle ≤ 30 m/s, umswakama wansuku zonke ≤ 95%, isilinganiso senyanga ≤ 90%. Isembozo esivaliwe simelana nokuchayeka isikhathi eside ku-UV, uthuli kanye nokujikeleza kokushisa okujwayelekile ezindaweni eziwugwadule nezishisayo zezitshalo ze-PV.

Ubu 7: Iziphawu ezimangalisayo zizifani nazo izinhlelo? IEEE C57.12.00, IEEE C57.12.10, IEEE C57.12.34, IEC 60076-1, IEC 60076-2, IEC 50588 ne-IEC 62271-202. Izirhwebhu zokuphatha kweziqu zonke nezirhwebhu zokuphatha kweziqu zokuphatha kweziqu ziyatholakala.

Q8: Ingabe i-PV transformer ingenziwa ngezifiso ngama-inverter ahlukahlukene kanye nosayizi wesitshalo? Yebo, ngiyajabula. Amandla abizwayo, amandla aphambili / aphansi, i-terminal noma i-ring-main wiring, iqembu lokuxhuma, ibanga le-tap, uhlobo lwamafutha (amaminerali noma i-ester), nezinketho zokuqapha konke kungenziwa ngezifiso ukuze kuhambisane namazinga we-inverter kusuka ezitshalweni ezincane ze-