Njengoko amandla elanga eqhubeka enika amandla ukutshintshwa kwehlabathi kumbane ococekileyo, ukuthembeka kwenkqubo ye-photovoltaic (PV) ibaluleke kakhulu kunanini ngaphambili-ingakumbi kwiindawo ezinzima njengeentlango, uphahla, i-solar arrays edadayo, kunye namaqonga ase-offshore. Phakathi kwawo onke amacandelo,Iintambo zePV ziindlela zokuphila zothumelo lwamandla. Ukuqinisekisa ukuqina kwexesha elide kunye nokusebenza, uvavanyo olulodwa lomatshini lubalasele ngokubaluleka:uvavanyo lokuqina.
Eli nqaku liphonononga ukuba uvavanyo lwe-tensile luthetha ntoni kwiintambo ze-PV, kutheni kubalulekile, yeyiphi imigangatho elawulayo, kunye nokuba izinto kunye nolwakhiwo lwentambo ziwachaphazela njani amandla okuqina.
1. Yintoni uVavanyo lweTensile kwiiCables zePV?
Uvavanyo lwe-tensile yinkqubo yomatshini esetyenziselwa ukulinganisa imathiriyeli okanye isakhono secandelo lokuxhathisaukutsala amandlade ukusilela. Kwimeko ye-photovoltaic cables, inquma ukuba ingakanani i-mechanical stress components-efana ne-insulation, i-sheath, kunye ne-conductor-inokumelana ngaphambi kokuphuka okanye ukuguqulwa.
Kuvavanyo lwe-tensile, isampulu yentambo ibotshwe kuzo zombini iziphelo kwaye itsalwe ngaphandle kusetyenziswa i-umatshini wokuvavanya jikelelengesantya esilawulwayo. Imilinganiselo ithathelwe:
-
Ukuqhawula amandla(kulinganiswa ngeNewtons okanye iMPa),
-
Ukwandisa ngexesha lekhefu(ingakanani into eyolula ngaphambi kokusilela), kwaye
-
Tensile strength(uxinzelelo oluphezulu lwezinto ezinokunyamezela).
Uvavanyo lwe-tensile luyenziwaiileya zomntu ngamnyeyentambo (i-insulation kunye ne-sheath) kwaye ngamanye amaxesha indibano epheleleyo, kuxhomekeke kwiimfuno eziqhelekileyo.
2. Kutheni wenze uvavanyo lwe-Tensile kwiiCables Photovoltaic?
Uvavanyo lwe-tensile ayisiyonto nje yaselabhoratri-inxulumana ngokuthe ngqo nokusebenza kwentambo yehlabathi yokwenyani.
Izizathu eziphambili zePV Cables zifuna uVavanyo lweTensile:
-
Uxinzelelo lokufakela:Ebudeni bentambo, ukutsalwa, nokugoba, iintambo ziye zibe sesichengeni sokutsaleka okusenokubangela umonakalo wangaphakathi ukuba amandla awonelanga.
-
Imingeni yokusingqongileyo:Uxinzelelo lomoya, ukulayishwa kwekhephu, ukungcangcazela koomatshini (umzekelo, kwiitrakhi), okanye ukhukuliseko lwesanti lunokusebenzisa amandla ekuhambeni kwexesha.
-
Isiqinisekiso sokhuseleko:Iintambo eziphantsi koxinzelelo oluqhekekayo, oluqhekekayo, okanye oluphulukene ne-conductivity lunokubangela ukulahleka kwamandla okanye iimpazamo ze-arc.
-
Ukuthobela kunye nokuthembeka:Iiprojekthi ezikumlinganiselo wokusetyenziswa, urhwebo, kunye neemeko ezigqithisileyo zifuna iipropathi eziqinisekisiweyo zoomatshini ukuhlangabezana nemigangatho yehlabathi.
Ngamafutshane, uvavanyo lwe-tensile luqinisekisa ukuba intambo inokumelanauxinzelelo lomatshini ngaphandle kokusilela, ukunciphisa imingcipheko kunye nokuphucula ukuzinza kwexesha elide.
3. ImiGangatho yoShishino eLawula uVavanyo lwePV Cable Tensile
Iintambo ze-Photovoltaic kufuneka zihambelane nemigangatho engqongqo yamazwe ngamazwe echaza iimfuno ezincinci ze-tensile kwiindawo ezahlukeneyo zentambo.
IMigangatho ePhambili iquka:
-
IEC 62930:Ixela amandla okuqina kunye nobude bokugquma kunye nezixhobo zokushela phambi nasemva kokuguga.
-
EN 50618:Umgangatho waseYurophu weentambo zePV, ezifuna iimvavanyo zokomelela koomatshini kubandakanya ukomelela kweeshethi kunye nokugquma.
-
TÜV 2PfG 1169/08.2007:Ijolisa kwiintambo zeenkqubo zePV ezinamaqondo ombane ukuya kuthi ga kwi-1.8 kV DC, kubandakanywa iimfuno zovavanyo lokuqina kunye nobude obude.
-
UL 4703 (yemarike yase-US):Kukwabandakanya iimvavanyo zamandla okuqina ngexesha lovavanyo lwezinto.
Umgangatho ngamnye uchaza:
-
Ubuncinci bokuqina kwamandla(umz., ≥12.5 MPa ye-XLPE insulation),
-
Ukwandisa ngexesha lekhefu(umz., ≥125% okanye ngaphezulu kuxhomekeke kwizinto),
-
Iimeko zovavanyo lokuguga(umzekelo, ukuguga kwe-oven kwi-120 ° C kwiiyure ezingama-240), kunye
-
Iinkqubo zovavanyo(ubude besampulu, isantya, iimeko zokusingqongileyo).
Le migangatho iqinisekisa ukuba iintambo zomelele ngokwaneleyo ukuze zihlangabezane neemfuno zofakelo lwelanga kwihlabathi jikelele.
4. IiMathiriyeli zeCable kunye neSakhiwo Ziyichaphazela Njani iNdlela yokuSebenza kweNgxaki
Ayizizo zonke iintambo zePV ezenziwe zilingana. Iukwakheka kwezintokwayeuyilo lwentambodlala indima enkulu ekumiseleni amandla okuqina.
Impembelelo yezinto:
-
I-XLPE (I-Polyethylene eNqamkileyo):Inika amandla okuqina aphezulu kunye nokuzinza kwe-thermal, esetyenziswa ngokuqhelekileyo kwi-EN 50618 iintambo ezilinganiselweyo.
-
I-PVC:Ifikeleleka ngakumbi, kodwa amandla asezantsi oomatshini-akhethwa kancinci kwizicelo zangaphandle okanye eziluncedo zePV.
-
TPE / LSZH:Umsi ophantsi, ukhetho lwe-halogen-free olulungelelanisa ukuguquguquka kunye nokusebenza okuphakathi.
Impembelelo yeKondi:
-
Ubhedu oluTinkiweyo:Yongeza uxhathiso kwi-corrosion kwaye iphucula ukudibanisa koomatshini kunye nokugquma.
-
Stranded vs. Solid:Abaqhubi abadibeneyo baphucula ukuguquguquka kunye nokunciphisa umngcipheko wokuphuka phantsi koxinzelelo oluphindaphindiweyo.
Uyilo loLwakhiwo:
-
Ukomelezwa kweSheath:Ezinye iintambo ze-PV ziquka ifayibha ye-aramid okanye uyilo lwe-sheath ephindwe kabini ukwenzela ukongezwa kokuqina.
-
I-Multi-core vs. I-Single-core:Iintambo ezininzi ezingundoqo zinokuziphatha okuntsonkothileyo koomatshini kodwa zinokuzuza kwizihluzi ezomeleziweyo.
Ukukhethwa kwezinto ezikumgangatho ophezulu kunye noyilo oluphuculweyo lwesakhiwo sonyusa kakhulu isakhono sentambo yokupasa uvavanyo lwe-tensile kunye nokusebenza phantsi kweemeko zentsimi.
Ukuqukumbela
Uvavanyo lwe-tensile luphawu olusisiseko lokuqinisekisaukomelela koomatshiniiintambo ze-photovoltaic. Kwiindawo ezinomngeni—nokuba kuphantsi kwelanga elitshisayo, imimoya ebhudla ngamandla, okanye isitshizi esisuka elunxwemeni—ukusilela kwentambo akuyonto ikhethiweyo.
Ngokuqonda uvavanyo lobunzima, ukukhetha iimveliso ezithobelayo, kunye nokukhangela kubavelisi abaqinisekisiweyo, ii-EPC zelanga, abaphuhlisi, kunye namaqela okuthenga anokuqinisekisa.unikezelo lwamandla olukhuselekileyo, olusebenzayo noluhlala ixesha elide.
Ngaba ujonge iintambo zePV ezidibana ne-IEC, EN, okanye iTÜV imigangatho yokuqina?
Umlingane kunyeI-Danyang Winpower Wire kunye neCable Mfg Co., Ltd.obonelela ngeengxelo ezipheleleyo zovavanyo lomatshini kunye nokulandeleka kwezinto zokuqinisekisa ukuba iprojekthi yakho yelanga imele uvavanyo lwexesha.
Ixesha lokuposa: Jul-22-2025