2020-11-23
I-Slocable TUV Solar Panel Cable 4MM 1500V
Ulayini we-DC trunk ulayini wokudlulisa usuka kusistimu yemojula ye-photovoltaic ukuya ku-inverter ngemva kokuhlanganiswa nebhokisi lokuhlanganisa.Uma i-inverter iyinhliziyo yalo lonke uhlelo lwe-square array, khona-ke uhlelo lwe-DC trunk line luyi-aorta.Ngenxa yokuthi i-DC trunk line system ithatha isixazululo esingagxiliwe, uma ikhebula linephutha eliphansi, izodala umonakalo omkhulu ohlelweni ngisho namathuluzi kune-AC.Ngakho-ke, onjiniyela bohlelo lwe-PV baqapha kakhulu ngezintambo ze-DC trunk kunabanye onjiniyela bakagesi.
Ukukhetha okulungileIkhebula lelanga le-DCngoba uhlelo lwe-photovoltaic olufakwe ekhaya noma ehhovisi lakho lubalulekile ekusebenzeni nokuphepha.Izintambo ezinamandla zelanga zenzelwe ukudlulisa amandla elanga ukusuka engxenyeni yesistimu kuya kwenye ukuze kuguqulwe amandla kagesi.Ucingo lwakho lwethusi lwansuku zonke luzokwenza umsebenzi ngendlela efanele futhi cishe uzogcina ngokuhluleka kwesistimu.
Ukuhlaziywa okuphelele kwezingozi zekhebula ezihlukahlukene, siphetha ngokuthi amaphutha aphansi kwekhebula abangela u-90-95% walo lonke iphutha lekhebula.Kunezimbangela ezintathu eziyinhloko zamaphutha aphansi.Okokuqala, amaphutha okukhiqiza amakhebula ayimikhiqizo engafanelekile;okwesibili, indawo yokusebenza inokhahlo, ukuguga kwemvelo, futhi yonakaliswa amandla angaphandle;okwesithathu, ukufakwa akujwayelekile futhi i-wiring ilukhuni.
Kunembangela eyodwa kuphela eyinhloko yephutha lomhlabathi——into efakwayo yekhebula.Indawo yokusebenza ye-DC trunk line yezitshalo zamandla we-photovoltaic inokhahlo.Iziteshi ezinkulu zamandla angaphansi komhlaba ngokuvamile ziwugwadule, umhlaba we-saline-alkali, nomehluko omkhulu wokushisa phakathi nosuku, kanye nezindawo ezinomswakama kakhulu.Ngezintambo ezingcwatshwe, izidingo zokugcwalisa nokumba imisele yekhebula ziphakeme kakhulu;kanye nendawo yokusebenza yezintambo zesiteshi sikagesi ezisabalalisiwe ayingcono kunaleyo ephansi.Izintambo zizomelana namazinga okushisa aphezulu kakhulu, futhi izinga lokushisa lophahla lingafinyelela ku-100-110 ℃.Izidingo zokuvikela umlilo kanye nezinqanda ilangabi zekhebula, nezinga lokushisa eliphezulu linomthelela omkhulu ku-voltage yokuhlukaniswa kwekhebula.
Ngakho-ke, ngaphambi kokufaka nokusebenzisa uhlelo, udinga ukuqinisekisa ukuthi ubukhulu bekhebula lelanga elifakiwe lilingana namanje kanye ne-voltage yesistimu.Nazi ezinye izici, okufanele zihlolwe ngaphambi kokuvula uhlelo;
1. Qinisekisa ukuthi i-voltage elinganiselwe yentambo ye-pv dc ilingana noma inkulu kunevoltheji elinganiselwe yohlelo.
2. Qinisekisa ukuthi umthamo wamanje wokuthwala wekhebula lelanga ulingana noma mkhulu kunomthamo wamanje wokuthwala wesistimu.
3. Qiniseka ukuthi izintambo ziwugqinsi futhi zivikelekile ngokwanele ukuze zimelane nezimo zemvelo endaweni yangakini.
4. Hlola ukwehla kwamandla kagesi ukuze uqinisekise ukuphepha.(Ukwehla kwamandla kagesi akufanele kudlule u-2%.)
5. I-voltage yokumelana nekhebula le-photovoltaic DC kufanele ibe nkulu kune-voltage enkulu yesistimu.
Ukwengeza, ukukhethwa nokuklama kwezintambo ze-PV DC ze-trunk yeziteshi zamandla we-photovoltaic kufanele futhi kucabangele: ukusebenza kwe-insulation yekhebula;ukumelana nomswakama, ukumelana nokubanda kanye nesimo sezulu sekhebula;ukusebenza kwekhebula ukumelana nokushisa nokunqanda ilangabi;indlela yokubeka ikhebula;i-conductor yentambo (i-Copper core, i-aluminium alloy core, i-aluminium core) kanye nokucaciswa kwesigaba esiphambanayo sekhebula.
I-Slocable 6mm Solar Wire EN 50618
Iningi lamakhebula e-PV DC abekwe ngaphandle futhi adinga ukuvikelwa emazingeni omswakama, elangeni, emakhazeni, naku-ultraviolet.Ngakho-ke, izintambo ze-DC ezinhlelweni ezisabalalisiwe ze-photovoltaic ngokuvamile zikhetha izintambo ezikhethekile eziqinisekisiwe ze-photovoltaic, kucatshangelwa ukuphuma kwamanje kwezixhumi ze-DC namamojula we-photovoltaic.Njengamanje, izintambo ze-photovoltaic DC ezivame ukusetshenziswa ziyi-PV1-F 1*4mm imininingwane.
Ubukhulu bekhebula lelanga olikhethayo ohlelweni kuncike ku-voltage yesistimu.Uma iphezulu i-voltage yesistimu, ikhebula liyancipha, ngoba i-DC yamanje izokwehla.Khetha inverter enkulu ukuze ukhuphule i-voltage yesistimu.
Ukulahlekelwa kwamandla kagesi ohlelweni lwe-photovoltaic kungabonakala ngokuthi: ukulahlekelwa kwamandla kagesi = ukudlula okwamanje * ubude bekhebula * isici se-voltage.Kungabonakala kufomula ukuthi ukulahleka kwe-voltage kuhambisana nobude bekhebula.Ngakho-ke, umgomo we-array to inverter kanye ne-inverter endaweni ehambisanayo kufanele ulandelwe lapho kuhlolwa esizeni.Ngokuvamile, ukulahleka komugqa we-DC phakathi kwe-photovoltaic array kanye ne-inverter ngeke kudlule u-5% we-voltage ephumayo yohlelo, futhi ukulahleka komugqa we-AC phakathi kwe-inverter nephoyinti elihambisanayo akumele kudlule u-2% we-voltage ephumayo ye-inverter.Ifomula ye-empirical ingasetshenziswa kwinqubo yesicelo sobunjiniyela:△U=(I*L*2)/(r*S)
Phakathi kwazo △U: ukwehla kwamandla kagesi wekhebula -V
I: Ikhebuli idinga ukumelana nentambo ephezulu-A
L: Ubude bekhebula lokubeka -m
S: indawo ephambanayo yekhebula-mm²
r: Ukuqhutshwa kwe-conductor-m/(Ω*mm²), r ithusi=57, r aluminium=34
Ngaphambi kokuthenga, sicela uhlole isilinganiso samanje sekhebula lelanga.Ukuze kuxhunywe i-inverter, ikhebula elikhethiwe le-pv dc elilinganiselwe lamanje liphindwe izikhathi ezingu-1.25 kunomkhawulo wamanje oqhubekayo kukhebula ebaliwe.Ngenkathi kuxhunywa phakathi kwengaphakathi le-photovoltaic array naphakathi kwamalungu afanayo, ikhebula elikhethiwe le-pv dc elilinganiselwe lamanje liphindwe izikhathi ezingu-1.56 kunomkhawulo wamanje oqhubekayo kukhebuli ebaliwe.Wonke umkhiqizi, njengeI-Slocable, ishicilele ithebula elibonisa izilinganiso zamanje zamakhebuli akhiqizwa ngokuya ngosayizi nohlobo lwawo.Qinisekisa ukuthi ukhetha ikhebula lesayizi elilungile, ngoba ucingo oluncane kakhulu lungashisa ngokushesha futhi luhlupheke ngokuphawulekayo ukwehla kwe-voltage, okuzobangela ukulahlekelwa kwamandla.
idatha yekhebula lelanga
Ubude bekhebula nakho kuyisici esibalulekile okufanele sicatshangelwe lapho ukhetha ikhebula elilungile lesistimu yelanga.Ezimweni eziningi, uma ucingo lude, kungcono ukudluliswa kwamanje.Kodwa kungcono ukusebenzisa imithetho elula yesithupha ukubala ubude bezintambo ezidingekayo ngokusekelwe kumthamo wamanje wesistimu.
Okwamanje / 3 = usayizi wekhebula (mm2)
Ngokusebenzisa le fomula, ungathola kalula usayizi wekhebula lesistimu onembe kakhulu futhi ofaneleka kakhulu futhi ugweme noma yiziphi izingozi noma ukwehluleka kwesistimu.
Isendlalelo se-insulating (i-sheath) semikhiqizo efanelekayo sithambile, siyashintshashintsha futhi siyavumelana nezimo, futhi ungqimba olungaphezulu luqinile, lubushelelezi, alunawo ama-rough, futhi lunokucwebezela okumsulwa.Ingaphezulu lesendlalelo se-insulating (i-sheath) kufanele ibe uphawu olucacile futhi olumelana nokunwaya, imikhiqizo eyenziwe ngezinto zokuvikela ezingakahleleki, ungqimba oluvikelayo luzwakala lusobala, lufiphala, futhi aluqinile.
Izintambo ezivamile zizomakwa ngezintambo ze-photovoltaic.Maka izintambo ezikhethekile ze-photovoltaics, futhi izikhumba zangaphandle zezintambo zimakwe nge-PV1-F1 * 4mm.
Izinga likazwelonke linedatha ecacile ephuzwini elincane kakhulu lokufana kwesendlalelo sokufakwa kwezintambo nobukhulu obumaphakathi.Ugqinsi lwe-insulation yocingo olujwayelekile lufana, aluyona i-eccentric, futhi lucindezelwe ku-conductor.
Iwumgogodla wocingo okhiqizwe ngezinto zokusetshenziswa zethusi ezihlanzekile futhi ezingaphansi komdwebo wocingo oluqinile, ukuthambisa (ukuthamba), kanye nokuxhunywa.Ubuso bayo kufanele bugqame, bushelelezi, bungabi nama-burrs, futhi ukuqina okubambayo kuyisicaba, kuthambile futhi kuqinile, futhi akulula ukuphuka.Umgogodla wekhebula ojwayelekile uwucingo lwethusi olunsomi-obomvu.Umnyombo wekhebula le-photovoltaic uyisiliva, kanti ingxenye ephambanayo yomgogodla iseyi-copper wire purple.
Ikhondatha iyacwebezela, futhi usayizi wesakhiwo somqhubi uhlangabezana nezidingo ezijwayelekile.Imikhiqizo yocingo neyekhebula ehlangabezana nezidingo zezinga, kungakhathaliseki ukuthi i-aluminium noma i-conductor yethusi, ikhanya ngokuqhathaniswa futhi ayinawo uwoyela, ngakho-ke ukumelana kwe-DC komqhubi kuhlangabezana nezinga, kunokusebenza okuhle nokusebenza okuphezulu.
Isitifiketi somkhiqizo esijwayelekile kufanele sikhombise igama lomkhiqizi, ikheli, ucingo lwesevisi yangemva kokuthengisa, imodeli, isakhiwo sokucaciswa, isigaba segama (imvamisa esiyisikwele esingu-2.5, izintambo eziyisikwele ezi-4, njll.), i-voltage elinganiselwe (intambo eyodwa-core 450 /750V , ikhebula eliyisivikelo elingu-300/500V elinezisekelo ezimbili), ubude (izinga likazwelonke libeka ukuthi ubude bungu-100M±0.5M), inombolo yabasebenzi bokuhlola, idethi yokukhiqiza, kanye nenombolo kazwelonke evamile yomkhiqizo noma uphawu lwesitifiketi.Ikakhulukazi, imodeli ye-single-core copper core wire plastic ephawulwe emkhiqizweni ojwayelekile ingu-227 IEC01 (BV), hhayi i-BV.Sicela unake umthengi.
Njengomkhiqizo othinta abantu nempahla, izintambo bezilokhu zibalwe njengezinto okugxilwe kuzo zokuqondisa nokuhlolwa kukahulumeni.Abakhiqizi abavamile bangaphansi kokuhlolwa umnyango wokugada ngezikhathi ezithile.Ngakho-ke, umthengisi kufanele akwazi ukunikeza umbiko wokuhlola womnyango wokuhlola ikhwalithi, ngaphandle kwalokho, ikhwalithi yemikhiqizo yocingo nekhebula ayinasisekelo.
Ngaphezu kwalokho, ukuze unqume ukuthi ingabe ikhebula elivimbela amalangabi kanye nekhebula elifakwe imisebe, indlela engcono iwukusika ingxenye bese uyibasa.Uma ivutha futhi ivutha ngokuzenzekelayo maduzane, ngokusobala akuyona ikhebula elivimbela amalangabi.Uma kuthatha isikhathi eside ukuvutha, uma usuphumile emthonjeni womlilo, uzozicisha, futhi alikho iphunga elivuthayo, elibonisa ukuthi ikhebula elivimbela ilangabi (ikhebula elivimbela ilangabi alibonakali ngokuphelele, kunzima. ukuthungela).Uma ivutha isikhathi eside, ikhebula elifakwe imisebe lizoba nomsindo omncane ophumayo, kuyilapho ikhebula elingenamisebe lingenalo.Uma ivutha isikhathi eside, i-insulating surface sheath izowa kakhulu, futhi ububanzi abuzange bukhule kakhulu, okubonisa ukuthi ukwelashwa kwe-radiation cross-linking akuzange kwenziwe.
Futhi ubeke umgogodla wekhebula emanzini ashisayo angu-90 degree, ukumelana nokufakwa kwekhebula eline-radiated ngempela ngeke kwehle ngokushesha ngaphansi kwezimo ezijwayelekile, futhi kuzohlala kungaphezu kuka-0.1 megohm/km.Uma ukumelana kwehla ngokushesha noma ngaphansi kuka-0.009 megohm ngekhilomitha, ikhebula alizange lixhunywe futhi lifakwe imisebe.
Okokugcina, ithonya lokushisa ekusebenzeni kwezintambo ze-photovoltaic dc kufanele futhi kucatshangelwe.Uma izinga lokushisa liphakeme, liyancipha umthamo wamanje wokuthwala wekhebula.Ikhebula kufanele lifakwe endaweni engenawo umoya ngangokunokwenzeka.
Ikhebula Lekhebula LeSolar 10mm2 H1Z2Z2-K
Ngakho ukukhetha osayizi bezintambo abalungile besistimu yakho yeSolar kubalulekile kukho kokubili ukusebenza nezizathu zokuphepha.Uma izintambo zingaphansi kosayizi, kuzoba nokwehla okukhulu kwamandla kagesi ezintanjeni okuholela ekulahlekeni kwamandla amaningi.Ngaphezu kwalokho, uma izintambo zingaphansi, kunengozi yokuthi izintambo zingase zishise kuze kube yilapho kuholela ekubambeni umlilo.
Amanje akhiqizwa kumaphaneli elanga kufanele afinyelele Ibhethri ngokulahlekelwa okuncane.Ikhebula ngalinye linokumelana ne-Ohmic yalo.Ukwehla kwamandla kagesi ngenxa yalokhu kumelana kuhambisana nomthetho ka-Ohm:
V = I x R (Lapha V ukwehla kwamandla kagesi kuyo yonke ikhebula, u-R ukuphikiswa futhi mina ngingowamanje).
Ukumelana ( R ) kwekhebula kuncike kumapharamitha amathathu:
1. Ubude bekhebula: Intambo ende, ukwanda kokumelana
2. Cable Cross-section Area: Indawo enkulu, encane ukumelana
3. Izinto ezisetshenziswayo: Ithusi noma i-Aluminium.I-Copper inokumelana okuncane uma iqhathaniswa ne-Aluminium
Kulolu hlelo lokusebenza, ikhebula lethusi likhethwa.Izintambo zethusi zilinganiswa kusetshenziswa isikali segeji: I-American Wire Gauge (AWG).Uma ingaphansi kwenombolo yegeji, intambo inokumelana okuncane futhi ngenxa yalokho iphezulu yamanje engakwazi ukuyiphatha ngokuphepha.
1. Amandla enkambu nokusatshalaliswa kokucindezeleka kwezintambo ze-AC kuyalingana.I-cable insulation material igxile ku-dielectric constant, engathinteki ukushisa;kuyilapho ukusatshalaliswa kokucindezeleka kwezintambo ze-DC kuyingqimba ephezulu yokufakwa kwentambo yekhebula, ethintekayo ukumelana kwempahla yokufaka ikhebula.Ithonya le-coefficient, i-insulation material ine-fenomenon ye-coefficient yokushisa engalungile, okungukuthi, izinga lokushisa liyakhula futhi ukumelana kuncipha;
Lapho ikhebula lisebenza, ukulahlekelwa okuyinhloko kuzokwandisa izinga lokushisa, futhi ukuphikiswa kagesi kwezinto zokuvikela ikhebula kuzoshintsha ngokufanele, okuzophinde kubangele ukucindezeleka kwenkambu kagesi kwesendlalelo se-insulating ukushintsha ngokufanele.Ngamanye amazwi, ungqimba oluvikelayo oluwugqinsi olufanayo luzoshintsha ngenxa yezinga lokushisa.Njengoba ikhula, i-voltage yayo yokuwohloka iyancipha ngokufanele.Olayini beziqu ze-DC zeziteshi ezithile zikagesi ezisabalalisiwe, ngenxa yokushintsha kwezinga lokushisa elizungezile, izinto ezifakwayo zekhebula ziguga ngokushesha kakhulu kunezintambo ezibekwe phansi.Leli phuzu kufanele linakwe ngokukhethekile.
2. Phakathi nenqubo yokukhiqiza isendlalelo se-cable insulation, okunye ukungcola kuzoncibilika nakanjani.Zine-resistivity encane yokufakwa kwe-insulation, futhi ukusatshalaliswa kwazo eduze kwesiqondiso se-radial sengqimba yokufakelwa akulingani, okuzophinde kubangele ukumelana nevolumu ehlukene ezingxenyeni ezahlukene.Ngaphansi kwe-voltage ye-DC, inkambu kagesi yesendlalelo se-cable insulation izophinde ihluke.Ngale ndlela, ukumelana nevolumu yokufakwa kuzoguga ngokushesha futhi kube indawo yokuqala efihlekile yengozi yokuwohloka.
Ikhebula le-AC alinayo le nto.Ngokuvamile, ingcindezi nomthelela wezinto zekhebula le-AC kulinganisaniswa sekukonke, kuyilapho ukucindezelwa kwe-insulation ye-DC trunk cable kuhlala kuba nomthelela omkhulu endaweni ebuthaka kakhulu.Ngakho-ke, izintambo ze-AC ne-DC ohlelweni lokukhiqiza izintambo kufanele zibe nokuphatha namazinga ahlukene.
3. Izintambo ezifakwe i-polyethylene ezixhumeke ngokuphambana zisetshenziswe kakhulu ezintamboni ze-AC.Zinezinto ezinhle kakhulu ze-dielectric kanye nezakhiwo zomzimba, futhi zibiza kakhulu.Kodwa-ke, njengezintambo ze-DC, banenkinga yokushaja isikhala okunzima ukuyixazulula.Yaziswa kakhulu kumakhebuli kagesi aphezulu e-DC.
Uma i-polymer isetshenziselwa ukufakwa kwekhebula le-DC, kunenani elikhulu lezicupho zasendaweni kungqimba lokufakelwa, okuholela ekuqoqweni kwenkokhelo yesikhala ngaphakathi kokufakwa.Umthelela wokushaja kwesikhala ku-insulating material ubonakala ikakhulukazi ezicini ezimbili zomphumela wokuhlanekezela insimu kagesi kanye nomphumela wokuhlanekezela insimu engeyona ekagesi.Umthelela uyingozi kakhulu ezintweni zokufaka i-insulating.
Lokho okubizwa ngokuthi inkokhiso yesikhala ibhekisela engxenyeni yenkokhiso eyeqa ukungathathi hlangothi kweyunithi yesakhiwo yento enkulu kakhulu.Ngokuqinile, inkokhiso yesikhala ephozithivu noma engalungile iboshelwe ezingeni elithile lamandla lasendaweni futhi ihlinzekwe ngesimo sezifunda ze-polaron eziboshiwe.Umphumela we-polarization.I-polarization ebizwa ngokuthi i-space charge polarization iyinqubo yokuqongelela ama-ion angalungile kusixhumi esibonakalayo ngasohlangothini lwe-electrode ephozithivu kanye nama-ion aqondile kusixhumi esibonakalayo ohlangothini lwe-electrode engalungile ngenxa yokunyakaza kwe-ion lapho ama-ion amahhala equkethwe ku-dielectric.
Emkhakheni kagesi we-AC, ukufuduka kwezindleko ezinhle nezingezinhle zezinto azikwazi ukuhambisana nezinguquko ezisheshayo endaweni kagesi yemvamisa yamandla, ngakho-ke imiphumela yokushaja isikhala ngeke yenzeke;ngenkathi insimu kagesi ye-DC, inkambu kagesi isakazwa ngokuvumelana ne-resistivity, okuzokwenza izindleko zesikhala futhi kuthinte ukusatshalaliswa kwensimu kagesi.Kunenani elikhulu lezifunda zasendaweni ekwakhiweni kwe-polyethylene, futhi umphumela wokushaja isikhala ubucayi kakhulu.Isendlalelo sokufakwa kwe-polyethylene esixhumene ngokuphambana sixhumene ngamakhemikhali futhi siyisakhiwo esixhumene kakhulu.I-polar engeyona i-polar.Ngokombono wesakhiwo sonke sekhebula, ikhebula ngokwalo lifana ne-capacitor enkulu.Ngemva kokumiswa kokudluliselwa kwe-DC, Kulingana nokuqedwa kokushaja i-capacitor.Nakuba i-conductor core isekelwe phansi, ayikwazi ukukhishwa ngokuphumelelayo.Inani elikhulu lamandla e-DC lisekhona kukhebula, okuyimali ebizwa ngokuthi yi-space charge.Lezi zindleko zesikhala azifani namandla e-AC.Intambo idliwe ngokulahleka kwe-dielectric, kodwa inothisiwe lapho kunesici sekhebula;ikhebula le-polyethylene insulated elixhunywe ngokuphambano, ngokunwetshwa kwesikhathi sokusebenzisa noma ukuphazamiseka okuvamile kanye nezinguquko zamandla amanje, izoqongelela izindleko zesikhala ezengeziwe.Sheshisa isivinini sokuguga sesendlalelo se-insulating, ngaleyo ndlela sithinte impilo yesevisi.Ngakho-ke, ukusebenza kwe-insulation ye-DC trunk cable kusahluke kakhulu kulokho kwekhebula le-AC.
I-Dongguan Slocable Photovoltaic Technology Co.,LTD.
Engeza:Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, Hongmei Section, Wangsha Road, Hongmei Town, Dongguan, Guangdong, China
TEL:0769-22010201
