2020-11-23
I-Slocable TUV yePaneli yeSolar Cable 4MM 1500V
Umgca we-trunk we-DC ngumgca wokudlulisa ukusuka kwimodyuli ye-photovoltaic kwi-inverter emva kokuguqulwa kwebhokisi lokudibanisa.Ukuba i-inverter yintliziyo ye-square array system yonke, ngoko i-DC trunk line system yi-aorta.Ngenxa yokuba inkqubo yomgca we-trunk ye-DC ithatha isisombululo esingenasiseko, ukuba intambo inempazamo yomhlaba, iya kubangela umonakalo omkhulu kwinkqubo kunye nezixhobo ezingaphezu kwe-AC.Ke ngoko, iinjineli zenkqubo ye-PV zilumke ngakumbi malunga neentambo zesiqobo ze-DC kunezinye iinjineli zombane.
Ukukhetha okulungileyoDC intambo yelangakuba inkqubo ye-photovoltaic efakwe kwikhaya lakho okanye iofisi ibalulekile ekusebenzeni nasekukhuseleni.Iintambo zelanga ezinamandla zenzelwe ukuhambisa amandla elanga ukusuka kwelinye icandelo lenkqubo ukuya kwelinye ukuze kuguqulwe amandla ombane.Ucingo lwakho lwemihla ngemihla lobhedu luya kwenza umsebenzi ngokuchanekileyo kwaye mhlawumbi uya kugqiba ngokusilela kwenkqubo.
Uhlalutyo olubanzi lweengozi ezahlukeneyo zekhebula, siphetha ukuba iimpazamo zomhlaba wekhebula zibalelwa kwi-90-95% yempazamo yonke yekhebula.Bathathu oonobangela abaphambili bempazamo emhlabeni.Okokuqala, iziphene zokuvelisa intambo ziyimveliso engafanelekanga;okwesibini, imeko-bume yokusebenza irhabaxa, iguga ngokwendalo, yaye yonakaliswa ngamandla angaphandle;okwesithathu, ukufakela akuqhelekanga kwaye i-wiring ilukhuni.
Kukho ingcambu enye kuphela ebangela impazamo yomhlaba--izinto zokufakelwa kwentambo.Indawo yokusebenza ye-DC trunk line yezityalo zamandla e-photovoltaic inzima kakhulu.Izikhululo zamandla asemhlabeni ezikhulu zidla ngokuba yintlango, umhlaba onetyuwa-alkali, ezinomahluko omkhulu wobushushu emini, kunye nemekobume efume kakhulu.Kwiintambo ezingcwatywe, iimfuno zokuzaliswa kunye nokumba imisele yentambo ziphezulu;kunye nemeko-bume yokusebenza yeentambo zesikhululo samandla esabiweyo ayikho ngcono kunaleyo isemhlabeni.Iintambo ziya kumelana nobushushu obuphezulu kakhulu, kwaye ubushushu bophahla bunokufikelela kwi-100-110℃.Iimfuno zobungqina bomlilo kunye ne-flame-retardant ye-cable, kunye nokushisa okuphezulu kunempembelelo enkulu kwi-voltage ye-insulation breakdown ye-cable.
Ngoko ke, ngaphambi kokufaka kunye nokuqhuba inkqubo, kufuneka uqinisekise ukuba ubungakanani bekhebula lelanga elifakiweyo lilingana nombane kunye nombane wenkqubo.Nazi ezinye iimpawu, ekufuneka zikhangelwe phambi kokuvula inkqubo;
1. Qinisekisa ukuba i-voltage elinganisiweyo yentambo ye-pv dc ilingana okanye inkulu kunombane olinganisiweyo wenkqubo.
2. Qinisekisa ukuba umthamo okhoyo ngoku wekhebula lelanga lilingana okanye likhulu kunomthamo okhoyo wenkqubo.
3. Qinisekisa ukuba iintambo zingqindilili kwaye zikhuselwe ngokwaneleyo ukuba zimelane neemeko zokusingqongileyo kwindawo yakho.
4. Khangela ukuhla kwamandla ombane ukuqinisekisa ukhuseleko.(Ukuhla kwamandla ombane akufuneki kudlule i-2%.)
5. I-voltage yokumelana nentambo ye-photovoltaic ye-DC kufuneka ibe mkhulu kunobuninzi be-voltage yenkqubo.
Ukongezelela, ukukhethwa kunye noyilo lweentambo ze-PV DC ze-trunk kwizikhululo zamandla e-photovoltaic kufuneka ziqwalasele kwakhona: ukusebenza kwe-insulation ye-cable;ukufuma, ubungqina bokubanda kunye nokumelana nemozulu kwentambo;ukusebenza kwentambo yokumelana nobushushu kunye ne-flame-retardant;indlela yokubeka intambo;izinto zomqhubi wentambo ( iCopper core, i-aluminium alloy core, i-aluminium core) kunye neenkcukacha ezinqamlekileyo zentambo.
I-Slocable 6mm ucingo lweSola EN 50618
Uninzi lweentambo ze-PV DC zibekwe ngaphandle kwaye zifuna ukukhuselwa kubumanzi, elangeni, kwingqele, nakwi-ultraviolet.Ngoko ke, iintambo ze-DC kwiinkqubo ze-photovoltaic ezisasazwayo ngokubanzi zikhetha iintambo ezikhethekileyo eziqinisekisiweyo ze-photovoltaic, ngokuqwalasela imveliso yangoku ye-DC connectors kunye neemodyuli ze-photovoltaic.Okwangoku, iintambo ze-DC ze-photovoltaic ezisetyenziswa ngokuqhelekileyo ziyi-PV1-F 1 * 4mm iinkcukacha.
Ubuninzi bentambo yelanga oyikhethayo kwinkqubo ixhomekeke kumbane wenkqubo.Iphezulu i-voltage yenkqubo, iyancipha intambo, kuba i-DC yangoku iya kuhla.Khetha i-inverter enkulu ukunyusa i-voltage yenkqubo.
Ilahleko yombane kwi-photovoltaic system inokubonakaliswa njenge: ukulahleka kombane = ukudlula okwangoku * ubude bekhebula * i-voltage factor.Inokubonwa kwifomula yokuba ilahleko yombane ilingana nobude bentambo.Ke ngoko, umgaqo woluhlu kwi-inverter kunye ne-inverter ukuya kwindawo ehambelanayo kufuneka ulandelwe xa uphononongwa kwindawo.Ngokubanzi, ilahleko yomgca we-DC phakathi kwe-photovoltaic array kunye ne-inverter ayiyi kudlula i-5% ye-voltage ephumayo yoluhlu, kwaye ilahleko yomgca we-AC phakathi kwe-inverter kunye ne-parallel point ayiyi kudlula i-2% ye-voltage ephumayo ye-inverter.Ifomula yobungqina ingasetyenziswa kwinkqubo yokusetyenziswa kobunjineli:△U=(I*L*2)/(r*S)
Phakathi kwazo △U: ukuhla kwamandla ombane wentambo -V
Mna: Intambo kufuneka imelane neyona ntambo iphezulu-A
L: Ubude bentambo yokubeka -m
S: indawo enqamlezileyo yentambo-mm²
r: Ukuqhutywa kwe-conductor-m/(Ω*mm²), r ubhedu=57, r aluminiyam=34
Ngaphambi kokuthenga, nceda ujonge ukukala kwangoku kwentambo yelanga.Ukudityaniswa kwe-inverter, ikhebula elikhethiweyo le-pv dc elilinganiswe ngoku liyi-1.25 amaxesha aphezulu aqhubekayo akhoyo kwikhebula elibaliweyo.Ngelixa uxhulumaniso phakathi kwendawo yangaphakathi ye-photovoltaic array kunye naphakathi koluhlu, ikhebula elikhethiweyo le-pv dc elilinganiswe ngoku liyi-1.56 amaxesha aphezulu aqhubekayo akhoyo kwikhebula elibalwayo.Wonke umenzi, njengeSlocable, iye yapapasha itheyibhile edwelisa iireyithingi zangoku zeentambo ezenziwe ngokobukhulu nohlobo lwazo.Qinisekisa ukuba ukhetha ikheyibhile yobungakanani obuchanekileyo, kuba ucingo oluncinci kakhulu lunokushisa ngokukhawuleza kwaye luchaphazele ukuhla okukhulu kombane, okuya kubangela ukulahleka kwamandla.
idatha yekhebula yelanga
Ubude bekhebula bukwayinto ebalulekileyo ekufuneka iqwalaselwe xa ukhetha ikhebula elichanekileyo kwisixokelelwano selanga.Kwiimeko ezininzi, ixesha elide ucingo, ngcono ukuhanjiswa kwangoku.Kodwa kungcono ukusebenzisa imithetho elula yesithupha ukubala ubude bocingo olufunekayo ngokusekelwe kumthamo wangoku wenkqubo.
Okwangoku / 3 = ubungakanani bentambo (mm2)
Ukusebenzisa le fomyula, unokufumana ngokulula eyona sayizi yentambo yenkqubo echanekileyo nefanelekileyo kwaye uthintele naziphi na iingozi okanye ukusilela kwenkqubo.
I-insulating (i-sheath) yeemveliso eziqeqeshiweyo ithambile, iguquguquka kwaye iguquguqukayo, kwaye i-surface layer iqinile, igudileyo, ingenaburhabaxa, kwaye ineglosi ecocekileyo.Umphezulu we-insulating (sheath) umaleko kufuneka ucace kwaye unganyangeki uphawu, iimveliso ezenziwe ngezinto ezikhuselayo ezingekho sikweni, umaleko wokugquma uziva usobala, uqaqadekile kwaye ungenamandla.
Iintambo eziqhelekileyo ziya kumakishwa ngeentambo ze-photovoltaic.Phawula iintambo ezikhethekileyo ze-photovoltaics, kwaye izikhumba zangaphandle zeentambo ziphawulwe nge-PV1-F1 * 4mm.
Umgangatho wesizwe unedatha ecacileyo kwi-thinnest point of the uniformity of the wire insulation layer kunye nobukhulu obuphakathi.Ubuninzi be-insulation yocingo oluqhelekileyo lufana, alukho i-eccentric, kwaye lucinezele ngokuqinileyo kwi-conductor.
Lucingo olungundoqo oluveliswe kwimathiriyeli ekrwada yobhedu olusulungekileyo kwaye luphantsi komzobo wocingo olungqongqo, ukuthambisa (ukuthambisa), kunye nokuxinga.Umphezulu wayo kufuneka uqaqambe, ugudiswe, ungabi naburrs, kwaye ukuqina kwe-stranding kucaba, kuthambile kwaye kunzima, kwaye akukho lula ukuphuka.Undoqo wekhebula oluqhelekileyo lupurple-red copper wire.Ingundoqo yekhebula le-photovoltaic yisilivere, kwaye i-cross-section of the core iseyi-copper wire purple.
Umqhubi uyakhazimla, kwaye ubungakanani besakhiwo somqhubi buhlangabezana neemfuno ezisemgangathweni.Iimveliso zocingo kunye neentambo ezihlangabezana neemfuno zomgangatho, nokuba ziyi-aluminium okanye i-copper conductors, zikhanya kwaye zingenawo ioli, ngoko ke ukuxhathisa kwe-DC komqhubi kuhambelana nomgangatho, kunokuqhuba kakuhle kunye nokusebenza okuphezulu.
Isiqinisekiso semveliso esisemgangathweni kufuneka sibonise igama lomenzi, idilesi, umnxeba wenkonzo yasemva kokuthengisa, imodeli, ulwakhiwo oluchaziweyo, icandelo elibizwa ngokuba yi-2.5 yesikwere, i-4 yocingo lwesikwere, njl. njl. , intambo ye-two-core protective sheath cable 300/500V), ubude (umgangatho wesizwe umisela ukuba ubude yi-100M±0.5M), inombolo yabasebenzi bokuhlolwa, umhla wokwenziwa kwemveliso, kunye nenombolo yomgangatho wesizwe wemveliso okanye uphawu lwesiqinisekiso.Ngokukodwa, imodeli ye-single-core copper copper wire yeplastiki ephawulwe kwimveliso eqhelekileyo yi-227 IEC01 (BV), kungekhona i-BV.Nceda unikele ingqalelo kumthengi.
Njengemveliso echaphazela abantu kunye nepropathi, iintambo bezisoloko zidweliswe njengeyona nto kugxilwe kuyo ulawulo nokuhlolwa kukarhulumente.Abavelisi abaqhelekileyo baxhomekeke ekuhlolweni lisebe lolawulo ngamaxesha athile.Ngoko ke, umthengisi kufuneka akwazi ukubonelela ngengxelo yokuhlolwa kwesebe lokuhlola umgangatho, ngaphandle koko, umgangatho weemveliso zocingo kunye neentambo azikho isiseko.
Ukongezelela, ukugqiba ukuba ngaba intambo ye-flame-retardant kunye nentambo ye-irradiated, indlela engcono kukunqumla icandelo kunye nokulitshisa.Ukuba iyavutha kwaye ivutha ngokukhawuleza ngokukhawuleza, ngokuqinisekileyo ayisiyontambo ekwazi ukumelana nomlilo.Ukuba kuthatha ixesha elide ukuvutha, xa sele ushiye umthombo womlilo, uya kuzicima ngokwawo, kwaye akukho vumba elitshisayo, elibonisa ukuba yintambo ekwazi ukumelana nomlilo (intambo ye-flame-retardant ayibonakali ngokupheleleyo, kunzima. ukutshisa).Xa itshisa ixesha elide, ikhebula le-irradiated liya kuba nesandi esincinci sokuphuma, ngelixa ikhebula elingenakulinganiswa lingenzi.Ukuba itshisa ixesha elide, i-sheath ye-insulating surface iya kuwa ngokungqongqo, kwaye ububanzi abuzange bunyuke kakhulu, nto leyo ebonisa ukuba unyango lwe-radiation cross-linking aluzange lwenziwe.
Kwaye ubeke i-cable core emanzini ashushu angama-90, ukuxhatshazwa kwe-insulation ye-cable ye-irradiated ngokwenene akuyi kuhla ngokukhawuleza phantsi kweemeko eziqhelekileyo, kwaye iya kuhlala ingaphezulu kwe-0.1 megohm / km.Ukuba ukuchasana kwehla ngokukhawuleza okanye ngaphantsi kwe-0.009 megohm ngekhilomitha nganye, ikhebula alizange lidityaniswe ngokunqamlezayo kunye ne-irradiated.
Ekugqibeleni, impembelelo yeqondo lokushisa ekusebenzeni kweentambo ze-photovoltaic dc kufuneka ziqwalaselwe.Ukuphakama kweqondo lokushisa, ephantsi umthamo wangoku wokuthwala intambo.Intambo kufuneka ifakwe kwindawo engena umoya kangangoko kunokwenzeka.
Ikhebula yeSola eSlocable 10mm2 H1Z2Z2-K
Ngoko ke ukukhetha ubungakanani bocingo obufanelekileyo kwisixokelelwano sakho seSolar kubalulekile kuzo zombini iimeko zokusebenza kunye nezizathu zokhuseleko.Ukuba iingcingo zingaphantsi kobukhulu, kuya kubakho ukuhla kwamandla ombane okubalulekileyo kwiingcingo ezikhokelela ekulahlekelweni kwamandla amaninzi.Ukongezelela, ukuba iingcingo zincinci, kukho umngcipheko wokuba iingcingo zinokutshisa ukuya kwindawo ekhokelela ekubanjweni komlilo.
I-current eveliswa kwiipaneli zelanga kufuneka ifikelele kwiBattery ngelahleko encinci.Intambo nganye inokumelana ne-Ohmic yayo.Ukuhla kwamandla ombane ngenxa yokuxhathisa kuhambelana nomthetho we-Ohm:
V = I x R (Nantsi i-V i-voltage drop off kwi-cable, i-R i-resistance kunye nam ngoku).
Ukuchasana ( R ) kwentambo kuxhomekeke kwiiparamitha ezintathu:
1. Ubude beCable: Ixesha elide intambo, ngakumbi ukuxhathisa
2. Indawo yeCable Cross-Section: Inkulu indawo, encinci kukuchasana
3. Izinto ezisetyenzisiweyo: Ubhedu okanye iAluminiyam.Ubhedu lunokumelana okuncinci xa kuthelekiswa neAluminiyam
Kule sicelo, ikhebula lobhedu likhethwayo.Iingcingo zobhedu zilinganiswa kusetyenziswa isikali sokulinganisa: I-American Wire Gauge (AWG).Okuya kusezantsi kwenani legeyiji, kokukhona ukuxhathisa okuncinci kocingo olunayo kwaye ngoko ke umbane ophezulu unokuwubamba ngokukhuselekileyo.
1. Amandla entsimi kunye nokusabalalisa uxinzelelo lweentambo ze-AC zilinganisiwe.I-cable insulation material igxile kwi-dielectric constant, engathintekiyo kwiqondo lokushisa;ngelixa ukusabalalisa uxinzelelo lweentambo ze-DC ngumaleko ophezulu wokugquma wentambo, ochatshazelwa kukuchasana kwezinto zokufakelwa kwentambo.Impembelelo ye-coefficient, i-insulation material ine-coefficient ye-coefficient phenomenon embi, oko kukuthi, ukunyuka kweqondo lokushisa kunye nokuchasana kuyancipha;
Xa ikhebula lisebenza, ilahleko engundoqo iya kwandisa ubushushu, kwaye ukuxhathisa kombane kwi-insulating material ye-cable kuya kutshintsha ngokufanelekileyo, okuya kubangela ukuba uxinzelelo lwentsimi yombane lwe-insulating layer lutshintshe ngokufanelekileyo.Ngamanye amazwi, i-insulating layer yobukhulu obufanayo iya kutshintsha ngenxa yobushushu.Njengoko inyuka, i-voltage yayo yokuqhawula iyancipha ngokufanelekileyo.Kwimizila ye-DC ye-trunk yezinye izikhululo zamandla ezisasazwayo, ngenxa yokutshintsha kobushushu be-ambient, i-insulation material ye-cable yobudala ngokukhawuleza kakhulu kuneentambo ezibekwe emhlabeni.Le ngongoma kufuneka inikwe ingqalelo ekhethekileyo.
2. Ngethuba lenkqubo yokuvelisa i-cable insulation layer, ezinye izinto ezingcolileyo ziyakuchithwa ngokuqinisekileyo.Zine-resistiveivity encinci yokugquma, kwaye ukuhanjiswa kwazo ecaleni kwendlela ye-radial yomaleko wokugquma akulingani, okuya kubangela ukuxhathisa komthamo ohlukeneyo kwiindawo ezahlukeneyo.Ngaphantsi kwe-voltage ye-DC, intsimi yombane ye-cable insulation layer iya kwahluka.Ngale ndlela, umthamo we-insulation resistivity uya kuguga ngokukhawuleza kwaye ube yindawo yokuqala efihlakeleyo yengozi yokuqhekeka.
Intambo ye-AC ayinayo le nto.Ngokuqhelekileyo, uxinzelelo kunye neempembelelo ze-AC cable material zilungelelaniswa ngokubanzi, ngelixa uxinzelelo lwe-insulation lwe-cable trunk cable luhlala luchaphazeleka kakhulu kwindawo ebuthathaka.Ke ngoko, iintambo ze-AC kunye ne-DC kwinkqubo yokwenziwa kwentambo kufuneka zibe nolawulo kunye nemigangatho eyahlukeneyo.
3. Iintambo ze-polyethylene ezifakwe emnqamlezweni zisetyenziswe ngokubanzi kwiintambo ze-AC.Zineempawu ezintle kakhulu ze-dielectric kunye nezakhiwo zomzimba, kwaye zineendleko eziphezulu kakhulu.Nangona kunjalo, njengeentambo ze-DC, banengxaki yentlawulo yesithuba ekunzima ukuyisombulula.Ixabiseke kakhulu kwiintambo zombane eziphezulu ze-DC.
Xa i-polymer isetyenziselwa ukugquma intambo ye-DC, kukho inani elikhulu lemigibe yendawo kwindawo yokugquma, okukhokelela ekuqokeleleni kwentlawulo yendawo ngaphakathi kwendawo yokugquma.Impembelelo yentlawulo yendawo kwi-insulating material ibonakaliswe ngokukodwa kwimiba emibini yombane ophazamisayo wempembelelo kunye nefuthe lokuphazamiseka kwentsimi engeyiyo yombane.Impembelelo iyingozi kakhulu kwizinto zokukhusela.
Into ebizwa ngokuba yintlawulo yendawo ibhekiselele kwinxalenye yentlawulo edlula ukungathathi hlangothi kweyunithi yesakhiwo sento enkulu.Kwindawo eqinileyo, isithuba esilungileyo okanye esibi sibophelelekile kwinqanaba elithile lamandla engingqi kwaye libonelelwe ngendlela yamazwe e-polaron.Impembelelo yepolarization.I-polarization ebizwa ngokuba yi-space charge yinkqubo yokuqokelela ii-ion ezingalunganga kwi-interface kwicala elihle le-electrode kunye neeyoni ezilungileyo kwi-interface kwicala elibi le-electrode ngenxa yentshukumo ye-ion xa ii-ion zasimahla ziqulethwe kwi-dielectric.
Kwintsimi yombane ye-AC, ukufuduka kweentlawulo ezilungileyo kunye ezimbi zezinto eziphathekayo azikwazi ukugcina utshintsho olukhawulezayo kwintsimi yamandla ombane, ngoko ke imiphumo yentlawulo yendawo ayiyi kwenzeka;ngelixa kwintsimi yombane ye-DC, intsimi yombane isasazwa ngokwe-resistivity, eya kwenza iintlawulo zendawo kwaye ichaphazele ukuhanjiswa kwentsimi yombane.Kukho inani elikhulu lamazwe asekuhlaleni kwi-polyethylene insulation, kwaye umphumo wentlawulo yendawo unzima kakhulu.I-cross-linked polyethylene insulation layer i-chemically cross-linked kwaye i-intestinal cross-linked structure.Yipolymer engeyiyo i-polar.Ukususela kumbono wesakhiwo sonke sekhebula, ikhebula ngokwalo lifana ne-capacitor enkulu.Emva kokuba ukuhanjiswa kwe-DC kumisiwe, Kulingana nokugqitywa kokutshaja i-capacitor.Nangona i-core conductor isekelwe, ayikwazi ukukhutshwa ngokufanelekileyo.Isixa esikhulu samandla eDC sisekho kwintambo, ebizwa ngokuba yintlawulo yendawo.Ezi ntlawulo zesithuba azifani namandla e-AC.Intambo idliwe ngokulahleka kwe-dielectric, kodwa ityetyiswe kwisiphako sekhebula;intambo ye-polyethylene edibeneyo edibeneyo, kunye nokwandiswa kwexesha lokusetyenziswa okanye ukuphazamiseka rhoqo kunye nokutshintsha kwamandla akhoyo, kuya kuqokelela iintlawulo zeendawo ezininzi.Ukukhawulezisa isantya sokuguga somgangatho we-insulating, ngaloo ndlela sichaphazela ubomi benkonzo.Ke ngoko, ukusebenza kwe-insulation ye-DC trunk cable kusahluke kakhulu kuleyo ye-AC cable.
Dongguan Slocable Photovoltaic Technology Co.,LTD.
Yongeza:I-Guangda Manufacturing Hongmei Science and Technology Park, No. 9-2, iCandelo leHongmei, iWangsha Road, iDolophu yaseHongmei, iDongguan, iGuangdong, iChina
I-TEL: 0769-22010201
