Isisombululo sePNTech Energy Storage Connector: Sizinze kwicandelo lemarike elikhulayo, sixhobisa iimeko ezintsha zokugcina kunye nokutshaja kwe-photovoltaic

Njengoko iiprojekthi zokugcina amandla elanga kunye nombane zisanda ukusuka eluphahleni ukuya kwiindawo zokutshaja zorhwebo, ukuthembeka koqhagamshelo ngalunye lwe-DC kuba yingxaki yokhuseleko kunye nokusebenza kwangaphambili. Ulwandiso lweLanga Intambo ayisiyonto nje yokuncedisa; yibhulorho ethwala i-PV ephuma ngamandla aphezulu ngobushushu, ukuvezwa yi-UV, ukufuma, kunye noxinzelelo loomatshini. Eli nqaku lichaza indlela izisombululo zentambo kunye nezixhumi ze-PNTech ezihlanganiswe kwangaphambili ezixhasa ngayo ukugcinwa kunye nokutshaja kwe-photovoltaic, kutheni iziqinisekiso ezifana ne-UL 4703, i-IEC 62852, kunye ne-TÜV 2 PfG zibalulekile, kunye nendlela abafaki kufuneka bacinge ngayo ngobukhulu bomqhubi, ukulinganiswa kwe-voltage, ukuhambelana kwesixhumi, kunye nomahluko ocacileyo phakathi kwentambo yolwandiso lwe-PV kunye nee-harnesses ezisecaleni kwebhetri.

Izisombululo ze-PNTech Solar Extension Cable Connector

Iinkqubo zokugcina amandla ze-photovoltaic (PV) ezithembekileyo zifuna iziseko zoqhagamshelwano eziqinileyo. Uyilo lwenkqubo epheleleyo lugubungela iimeko ezahlukeneyo: iintambo zolwandiso lwe-solar array yangaphandle kunye nee-harnesses zebhanki zebhetri yangaphakathi. Kubalulekile ukuqonda lo mahluko kwasekuqaleni: Intambo yoLwandiso lwePvs isebenzisa i-DC ene-voltage ephezulu kwiiphaneli kwaye idla ngokusebenzisa izihlanganisi ezihambelana ne-MC4, ngelixa ii-harnesses zebhetri zisingatha uqhagamshelo lokugcina olune-voltage ephezulu, olune-voltage ephantsi olunemingcipheko eyahlukileyo ye-fault-current. Ukuhlangabezana nezi mfuno zahlukeneyo, i-PNTech inikezela ngepotifoliyo ebanzi yezinto ezihlanganisiweyo kwangaphambili.iintambo zelanga kunye nezihlanganisi zokugcina amandla. Zenziwe ngeenketho zejakethi ezikhethekileyo kwiindawo ezixineneyo, izisombululo zePNTech zihlangabezana neziqinisekiso ezingqongqo—ezifana ne-IEC 62852, kunye ne-TÜV 2 PfG—ziqinisekisa ukuba yonke into esetyenziswayo isebenza ngokukhuselekileyo kwaye ihambelana nemigangatho yoshishino.

Indima kwiiNkqubo zokugcina amandla e-Photovoltaic

Ngaphakathi kwenkqubo yanamhlanje yokugcina amandla e-PV, indibano yentambo yolwandiso isebenza njengebhulorho ebalulekileyo phakathi kwee-solar arrays kunye nee-charge controllers. Ngenxa yokuba ezi assemblies ziquka izihlanganisi eziqhotyoshelweyo kwangaphambili, ezihambelana ne-MC4, zenzelwe ukunciphisa ilahleko zothumelo, ukuqinisekisa ukuba amandla aphezulu e-DC afikelela kwi-inverter. Intambo engachazwanga kakuhle inokufaka ukumelana okukhulu, okukhokelela ekuvelisweni kobushushu kunye nokwehla kokusebenza kakuhle.

Iindibano ezisemgangathweni zibonelela ngoqhagamshelo olukhuselekileyo olune-contact resistance ephantsi kunye novavanyo olufanelekileyo lokufakwa kunye namandla okurhoxisa, okuthintela ukungakwazi kwamandla ngexesha lokukhanya kwelanga okuphezulu. Iinkqubo ze-DC ezine-voltage ephezulu nazo zizisa umngcipheko omkhulu we-arc-fault; ke ngoko, ukunqanyulwa okulinganisiweyo ngokufanelekileyo kunye nokukhuselwa kombane ogqithisileyo kuyimfuneko, ngakumbi kwi-PV edibeneyo kunye nokufakwa kwendawo yokugcina. Ngokusebenzisa ii-copper conductors ezifakwe ubhedu olucocekileyo kakhulu, amandla adluliselwa ngokufanelekileyo. Kwizicelo zorhwebo, ezi ndibano kufuneka zihlangabezane neemfuno ze-DC ezinzima ezifana nemida yokudibanisa intambo, izinto ezingqongqo zokuhlukanisa i-conduit, kunye nolawulo oluchanekileyo lwe-array voltage-drop.

Imigaqo yoNxibelelwano lweeNtambo eziPhambili zoGcino lwaMandla lwaseKhaya

Ukuhambahamba amandla elanga kunye nendawo yokugcina izinto zokuhlala Ifuna ukuqonda amagama angundoqo ocingo, ukuqala ngobukhulu bomqhubi, obuqhele ukulinganiswa kwindawo enqamlezileyo (mm²) okanye i-American Wire Gauge (AWG) elinganayo. Iisetingi zePV zokuhlala eziqhelekileyo zihlala zisebenzisa ii-conductors ze-4.0 mm² okanye ze-6.0 mm² ngokuxhomekeke kumbane ophezulu wokufaka we-inverter. Kwicala lokugcina, iingcamango ezibalulekileyo ziquka ukufanisa i-voltage yebhasi yebhetri kunye nokunamathela kwiinkcukacha ezichanekileyo ze-ring-terminal torque ukuthintela iindawo ezishushu ezixhathisayo kakhulu.

"I-voltage eqhelekileyo" yenkqubo—edla ngokuba yi-1000V DC okanye i-1500V DC kwii-arrays zophahla zanamhlanje—ichaza umlinganiselo wokufakelwa kwe-insulation ofunekayo ukuze kudityaniswe ngokukhuselekileyo neziseko zophuhliso ezikhoyo. Ngaphezu koko, indlela yokutshixa ebonakalayo kwi-cable assembly kufuneka ihambelane nehardware yokudibanisa. Ukuqonda ukuhambelana kwe-connector kubalulekile ukukhusela uqhagamshelo nxamnye nemozulu kunye noxinzelelo loomatshini. Abafaki kufuneka baqaphele ngokucacileyo ukuba izihlanganisi "ezihambelana ne-MC4" ezivela kubavelisi abahlukeneyo azinakusebenza kuyo yonke indawo; ukuxuba iindawo zokwenyani ze-Stäubli MC4 kunye nee-clones zomntu wesithathu kunokwaphula iikhowudi zombane, kuphelise iwaranti, kwaye kuzise iingozi ezinkulu zomlilo.

Iinkcukacha zeCable yoLwandiso lweLanga ezibalulekileyo

Ukuvavanya iinkcukacha zobugcisa zeziseko zombane kubalulekile kwimpumelelo yokusebenza kwexesha elide. Ukukhetha iiparameter ezichanekileyo kuchaphazela ngokuthe ngqo imveliso yamandla, ukhuseleko oluqhelekileyo, kunye nobomi bofakelo lonke. Ukungazinaki ezi metrics kunokukhokelela ekuwohlokeni kobushushu bokugquma, ukwanda kokumelana, kunye nexesha elibizayo lokungasebenzi kwenkqubo.

Ubungakanani bangoku kunye nobungakanani beCable

Umthamo wokuthwala wangoku, okanye ubukhulu bombane, yi-basemental metric esetyenziselwa ukumisela ubungakanani obufanelekileyo bekhebula. Xa kulinganiswa inkqubo, umqhubi kufuneka aphathe ngokukhuselekileyo umbane omfutshane we-solar array ophindaphindwe nge-safety factor (ngesiqhelo i-1.25 ukuya kwi-1.56 kuxhomekeke kwiikhowudi zombane zasekuhlaleni).

Apha ngezantsi kukho itheyibhile yokuthelekisa ebonisa izakhono eziqhelekileyo zokulinganisa ubungakanani iintambo ze-polyolefin ezidityanisiweyo (XLPO) ngokusekelwe kwisiseko sobushushu obuphakathi obuyi-60°C:

Qaphela: Amanani obungakanani obunikiweyo ngamanqanaba okuqala athatha umlinganiselo othile wobushushu bomqhubi (umz., 90°C) kunye nesiseko somoya okhululekileyo, kungekhona ukuthobela ikhowudi eqhelekileyo. Usetyenziso lokungcwaba ngqo, imida yokuzalisa i-conduit, ukubopha iintambo, ukuphakama okuphezulu, kunye nokumelana nobushushu bomhlaba konke kufuna ukuchithwa okongeziweyo ngaphaya kwesiseko se-ambient esingu-60°C esibonisiweyo. Soloko ujonga iikhowudi zombane ezifanelekileyo ukuze ufumane imida echanekileyo yobungakanani obusekelwe kumlinganiselo othile wobushushu bomqhubi kunye neendlela zokufakela.

Ngokujonga ezi milinganiselo kunye nokusebenzisa izinto ezifunekayo zokunciphisa umbane, iingcingo ezikhethiweyo zinciphisa ukuhla kwevolthi eninzi ngexesha elide, zigcina inkqubo isebenza ngaphakathi kweeparamitha ezifanelekileyo.

Ukhuseleko, Ukuqina, kunye noXhaso-mali lokufakelwa

Ukulinganisela ukhuseleko, ukuqina kwendalo, kunye nokulula kokufakela kufuna ubunjineli bezinto ezisetyenziswa ngononophelo. Izinto ezidityaniswe nge-electron-beam zibonelela ngeentambo ngozinzo olukhethekileyo lobushushu, ezizivumela ukuba zisebenze ngokuqhubekayo kumanqanaba obushushu aphezulu ukusuka kwi--40°C ukuya kwi-+90°C, kwaye zikwazi ukumelana nee-spikes zexesha elifutshane ukuya kuthi ga kwi-120°C.

Nangona kunjalo, kukho ukwahlukana okukhoyo phakathi kokuqina okuphezulu kunye nokuguquguquka kokufakelwa. Iijakethi eziqinileyo nezixhotyiswe kakhulu zibonelela ngokumelana okuphezulu kwe-UV kunye ne-ozone kwiindawo ezingaphandle ezinzima, kodwa zifuna imitha yokugoba enkulu. Ukuze oku kwenzeke, abafaki kufuneka bagcine imitha yokugoba encinci ephindaphindwe kane ukuya kathandathu kunobubanzi bangaphandle bentambo. Kwiindawo ezixineneyo ze-inverter zokuhlala, ezomeleleyo Ukuthintela imozulu okulinganiswe nge-IP68—esebenza ngokukodwa kwiindibano zesixhumi ezidityaniswe ngokupheleleyo endaweni yejakethi yekhebula yodwa—kufuneka ilinganiswe ngokuguquguquka kwekhebula okwaneleyo ukuthintela uxinzelelo olungafanelekanga loomatshini kwiindawo zokudibanisa kunye neetheminali.

Indlela yokukhetha intambo yokwandisa ilanga ye-PNTech efanelekileyo

Ukukhetha iziseko zoqhagamshelwano ezifanelekileyo kufuna indlela ecwangcisiweyo elungiselelwe iiparameter ezithile zeprojekthi. Nokuba kufakelwe indawo enkulu yorhwebo okanye indawo yokuhlala encinci, inkqubo yokuthenga kufuneka iqinisekise ukuhambelana nokusebenza. Kwiindawo ezinkulu zokusasazwa, kucaciswe imibala yejakethi eyenziwe ngokwezifiso yePNTech okanye ubude obukhethekileyo iqinisekisa ukuba iimfuno ezichanekileyo zokwakha nezokhuseleko ziyafezekiswa ngaphandle kokubeka emngciphekweni ukuthembeka kombane.

Amanyathelo Okukhetha Ngokusebenzisa Imeko

Inkqubo yokukhetha iqala ngokubala umbane ophezulu olindelweyo kunye nokulinganisa umgama obonakalayo phakathi kwee-solar arrays kunye ne-inverter. Oku kuvumela ukubalwa kokwehla kwe-voltage okulindelekileyo. Endaweni yomthetho ocacileyo othi "gcina ngaphantsi kwe-2%", abafaki kufuneka basebenzise ifomula eqhelekileyo ye-DC voltage-drop: Ukuhla kweVolthi (V) = (2 × Ubude kwi-km × Umbane kwi-A × Ukumelana neCable kwi-Ω/km)Umzekelo, ukubaleka iimitha ezingama-50 (0.05 km) kuthwele i-20A kwi-6.

Izinto ezibalulekileyo ekufuneka ziqwalaselwe

• Cacisa iintambo zolwandiso lwe-PV kunye neebhanti zebhetri ngokwahlukeneyo kuba iingcingo ze-array ezine-voltage ephezulu kunye neengcingo zokugcina ezine-high-current zinemfuno ezahlukeneyo zokudibanisa, ukhuseleko, kunye nombane wempazamo.
• Sebenzisa izinto eziqinisekisiweyo ezifana nocingo lwe-UL 4703 PV, izihlanganisi ze-IEC 62852, kunye noyilo lweentambo ze-TÜV 2 PfG ukuxhasa ukusebenza ngaphandle okukhuselekileyo kunye nokufakelwa okuhambelana nekhowudi.
• Khetha ubungakanani bomqhubi obufana ne-4.0 mm² okanye i-6.0 mm² kuphela emva kokujonga umsinga wokufaka we-inverter, ubude bekhebula, ukuhla kwevolthi, kunye nezinto ezibangela ukuqhekeka kofakelo.
• Qinisekisa ukuhambelana kwesixhumi endaweni yokucinga ukuba zonke iimveliso ezihambelana ne-MC4 zinokudityaniswa, kuba iimpawu ezixutyiweyo zinokwenza ikhowudi, iwaranti, kunye neengozi zokhuseleko lomlilo.
• Lawula ukumelana kuyo yonke indawo yoqhagamshelo ngezihlanganisi ezingachukumisi kakhulu uqhagamshelwano, iindlela ezifanelekileyo zokutshixa, kunye ne-terminal torque echanekileyo ukunciphisa ubushushu kunye nokulahleka kombane.

Imibuzo ebuzwa qho

Isetyenziselwa ntoni intambo yokwandisa amandla elanga?

Intambo yokwandisa amandla elanga ihambisa amandla e-DC ane-voltage ephezulu ukusuka kwiimodyuli ze-PV ukuya kwii-charger controllers, ii-inverters, okanye ii-combiner box. Yandisa i-array wiring ngelixa igcina uqhagamshelo olukhuselekileyo, olumelana nemozulu xa lulinganiswe kakuhle kwaye luqinisekisiwe.

Intambo yolwandiso lwe-PV yahluke njani kwintambo yebhetri?

Iintambo zokwandisa ze-PV zihlala zithwala i-DC ene-voltage ephezulu evela kwiiphaneli zelanga kwaye zisebenzisa izihlanganisi ezihambelana ne-MC4. Iintambo zebhetri ziphatha uqhagamshelo lokugcina olune-voltage ephantsi, olune-current ephezulu kwaye zifuna ii-terminals ezahlukeneyo, ulawulo lwe-torque, kunye nokhuseleko lwe-fault-current.

Zeziphi iziqinisekiso ezibalulekileyo kwiintambo zokwandisa amandla elanga?

Iziqinisekiso ezibalulekileyo ziquka i-TUV yentambo ye-PV, i-IEC 62852 yezihlanganisi, kunye ne-TÜV 2 PfG yokusebenza kwentambo ye-photovoltaic. Ezi zinceda ukuqinisekisa ukugquma, ukuqina, kunye nokhuseleko phantsi kweemeko zangaphandle zelanga.

Luhlobo luni lwentambo oluqhelekileyo kwiinkqubo zelanga ezihlala abantu?

Iinkqubo ezininzi ze-PV zokuhlala zisebenzisa ii-conductors ze-4.0 mm² okanye ze-6.0 mm², kuxhomekeke kumbane wokufaka we-inverter, ubude bekhebula, imida yokuwa kwevolthi, indlela yokufakela, kunye neemfuno zekhowudi yombane yendawo.

Ngaba zonke izihlanganisi ezihambelana ne-MC4 zinokuxutywa kunye?

Hayi. Ukuhambelana kwe-MC4 akuthethi ukuba rhoqo kuyatshintshana. Ukudibanisa izihlanganisi ze-MC4 zokwenyani kunye nee-clones zomntu wesithathu kunokwaphula iikhowudi, kuphelise iwaranti, kwaye konyuse umngcipheko womlilo okanye we-arc-fault.