Embonini yezintambo nezintambo, isitifiketi se-UL yizinga legolide lekhwalithi emakethe yaseNyakatho Melika kanye{0}}nezinhlelo zokusebenza eziphezulu emhlabeni jikelele. FuthiI-XLPE,-i-polyethylene exhumene, iwukukhethwa okuphezulu kwezinto zokufakwa ngaphakathi. Ngenxa yokusebenza okumangalisayo okuvela -enqubweni yokuxhumanisa, iwuhambo-lwesixazululo se-voltage emaphakathi nephezulu, kanye{4}}nezindawo zokushisa eziphezulu. I-XLPE yakha uhlaka lwenethiwekhi ye-3D yamangqamuzana ngokuxhumanisa amakhemikhali noma ngokomzimba-. Uma kuqhathaniswa nezinto ze-PE zendabuko, kuyisinyathelo esikhulu sokumelana nokushisa, amandla emishini kanye nokufakwa kukagesi. Ingasebenza ngezinga lokushisa elizinzile elingu-90~150℃, futhi futhi iphansi-intuthu, i-halogen{13}imahhala, i-flame{14}}i-retardant kanye ne-eco{15}}enobungane. Lokho kuyenza ilingane kahle nezidingo eziningi zokugcinwa kwamandla, okokusebenza kwemboni, izinto zikagesi zasendlini nokunye okwengeziwe. Namuhla, sizogxila kumamodeli ezintambo ezine ezidumile zasefekthri zethu ze-UL anokufakwa kwe-XLPE -I-UL3817, I-UL3271, I-UL3321futhiI-UL3289- futhi uhlukanise izici zabo zobuchwepheshe ezibalulekile nezimo abazilungele kangcono.
Inani eliyinhloko le-XLPE insulation: Kungani Kuyinketho ekhethwayo yezintambo eziphezulu-eziphezulu?
Izinzuzo ze-XLPE zisukela enqubweni eyinhloko "yokuxhuma-ukuxhumanisa". Ngokuphula amaketanga amangqamuzana aqondile e-polyethylene futhi enze izibopho zebhuloho, iguqula isuka "esakhiweni esiqondile" iye "esakhiweni senethiwekhi", okuholela ekuthuthukisweni okuphelele kokusebenza: Okokuqala, ukumelana nokushisa kuthuthukiswa kakhulu. Izinga lokushisa-elide lokusebenza le-PE evamile lingama-degree angu-70 kuphela, kuyilapho i-XLPE ikwazi ukumelana nokusebenza okuqhubekayo ngo-90℃- 150℃,{7}}namazinga okushisa okuchichima esikhathi esifushane afinyelela ku-130℃, futhi ingakwazi ukumelana nokungu-250℃phakathi kwamasekethe amafushane; Okwesibili, ukusebenza kukagesi kuhle kakhulu, nokumelana nokushisa okuphezulu nokulahlekelwa kwe-dielectric ephansi, efanelekile izimo zamandla aphakathi nendawo aphezulu, futhi ungqimba lokufakelwa lufana nomfaniswano futhi kulula ukulucwecwa, lusiza ukwakhiwa nokufakwa; Okwesithathu, ukuguquguquka kwemvelo kunamandla, amelana nowoyela, i-asidi ne-alkali, imelana nokushayisana kwemishini, futhi ngaphandle kwe-halogen, ayikhiqizi ilangabi futhi ayikhiqizi i-halogen enobuthi{10}equkethe amagesi phakathi nokusha, ehlangabezana nezindinganiso zemvelo ze-RoHS, ngaleyo ndlela inikeza isikhathi sokuphuma kwezisebenzi nokuvikelwa kwemishini. Le nhlanganisela yezici yenza izintambo ze-XLPE ezigqunyiwe ze-UL zibe yinketho eyinhloko yokushintsha amakhebuli e-PVC futhi zivumelane nezimo{12}}eziphezulu.
Incazelo enemininingwane Yamamodeli Amane Abalulekile: Umehluko Wokusebenza Uguqulelwe Kuzimo Ezihlukene
I-UL3817: I-adaptha enamandla aphezulu-ye-Energy Storage Systems
I-UL3817 iyintambo ye-XLPE-evalekile eklanyelwe ngokukhethekile izimo ezimaphakathi neziphezulu{2}}zevoltage, enezinga lokushisa elilinganiselwe elingu-125℃kanye ne-AC voltage elinganiselwe engu-3000V – ifanelana ngokuphelele{5}}nezimfuneko zevoltage eziphezulu kanye neziphezulu{6} ze-solid ordndestrate systems ye-solid ordndestrade systems. ithusi ethayiwe/ithusi elingenalutho, futhi ungqimba lokufakwa kwensimbi luyimpahla ye-XLPE. Iphumelela kokubili ukuhlolwa kokuvutha okuvundlile kwe-UL kanye ne-CSA FT2, ngakho iyakwazi ukunqanda ilangabi kanye{10}}nobungani obumboziwe. Ngokwesakhiwo, i-UL3817 inongqimba oluwugqinsi oluwugqinsi olulinganayo, futhi itholakala kumageji ezintambo kusukela ku-AWG 30 yonke indlela enobubanzi obungu-4/0 ukuya ku-5/0. 19.00mm. Ungakhetha uhlobo olulungile ngendlela evumelana nezimo ngokusekelwe ezidingweni zesikhala sempahla yakho yokugcina amandla. Ekusetshenzisweni{20}kwangempela komhlaba,I-UL3817isetshenziswa kakhulu ekuxhumekeni ohlangothini lwe-DC lwezinhlelo zokugcina amandla kagesi - phakathi kwamamojula ebhethri, amaqoqo ebhethri, naphakathi kwamaqoqo ebhethri namabhokisi okuhlanganisa kanye nama-PCS. Ngokusebenza kwayo okuhle kakhulu kukagesi kanye nezici eziphansi-zentuthu ye-halogen{2}yamahhala, idlala indima enkulu{3}}eziteshini zikagesi ezinkulu zokugcina amandla kanye namadivayisi wokugcina amandla okuhlala. Ivimbela ngokuphumelelayo ukuguga kwe-insulation ngaphansi kwezinga lokushisa eliphezulu kanye ne-voltage ephezulu, futhi iqinisekisa ukusebenza okuzinzile kwalo lonke uhlelo lokugcina amandla.
UL3271: Umdlali oguquguqukayo wezimo ezijwayelekile zezimboni
I-UL3271 iyintambo eguquguqukayo ye-XLPE{1}}evalekile enamandla kagesi elinganiselwe engu-600V kanye nebanga lokushisa elisuka -ku-40℃kuya ku-125℃. Isebenza kahle kukho kokubili ukufakwa okungaguquki kanye{10}}nezinhlelo zokusebenza ezihambayo{10}ezinesivinini esiphansi, okuyenza ibe ukukhetha okufanelekile kokufakwa kwezintambo kumishini yezimboni. I-conductor yayo iyithusi elingenalutho elihlangabezana namazinga e-IEC 60228 Class 5, futhi ungqimba lokufakwa kwe-insulation oluxhumene nesiphambano luletha ukumelana kwamakhemikhali okuhle kakhulu - lungamelana nama-acids, ama-alkali nezinhlobo ezithile zamafutha. Iphinde iphase izivivinyo zokunqanda ilangabi, ngakho ihlangabezana nezidingo zokuphepha zezindawo zezimboni. Uma kukhulunywa ngezicelo,I-UL3271isetshenziselwa ukuhola izinjini, ama-transformer, amaphaneli okusabalalisa kanye nezintambo zangaphakathi ezintweni zasendlini. Kungakhathaliseki ukuthi amamojula okulawula emigqeni yokukhiqiza ezenzakalelayo noma uxhumo lukagesi ezintweni zokuxhumana, ukusebenza kwayo okuzinzile kunciphisa isikhathi sokuphumula esingahlelelwe esibangelwa amaphutha. Ngaphezu kwalokho, lo modeli ungenziwa ngokwezifiso ngemibala ehlukahlukene evamile, okwenza kube lula ukuhlukanisa amasignali ahlukene ngesikhathi sezintambo. Ubuncane berediyasi yokugoba buwuphinda izikhathi ezingu-4 ubukhulu bekhebula ekufakweni okungaguquki, ngakho ifaneleka kahle ekubekweni ezindaweni eziqinile, eziyinkimbinkimbi.
I-UL3321: Isixazululo sezintambo Esikhethekile sezinto zikagesi{1}}zezinga lokushisa eliphezulu
I-UL3321 iyona enesilinganiso esiphakeme kakhulu sokumelana nokushisa kulawa mamodeli amane - inezinga lokushisa elilinganiselwe elifika ku-150℃kanye nevolthi elinganiselwe engu-600V, futhi yakhelwe ngokukhethekile okokusebenza kwasendlini nesezimbonini ezisebenza{3}}ezindaweni zokushisa eziphezulu. Isebenzisa amakhondaktha wethusi aboshwe ngethayela anesendlalelo sokufakwa kwe-XLPE, eziqhayisa ngokubambezeleka komlilo okuhle kakhulu kanye nokumelana nokuncibilika. Ingasebenza ngokuzinzile{6}}ezintweni ezisetshenziswayo zasekhaya ezishisa kakhulu njengamahhavini, izifudumezi nezomisi, imelane namazinga okushisa angaguquki akhiqizwayo lapho la madivayisi esetshenziswa futhi avimbele ungqimba olufakwa ngaphakathi ukuba luthambe noma lujike. Uma sikhuluma ngobuchwepheshe, i-UL3321 iqinisekiswe kumazinga we-UL758 kanye ne-UL1581, futhi ihlangabezana nezidingo ze-RoHS kanye ne-Low Voltage Directive. I-voltage yayo yokuhlola ingafinyelela ku-2000V ukuya ku-3500V kuye ngegeji yocingo, ngakho ukuthembeka kwayo kokufakwa kuphezulu{14}}kusezingeni eliphezulu. Ngaphandle{16}}kwezinto zikagesi zasekhaya ezisezingeni eliphezulu, le modeli iphinde isetshenziselwe ukufaka izintambo zangaphakathi kumishini yezimboni njengamahitha asebenza ezimbonini kanye{17}}nohhavini onezinga lokushisa eliphezulu. Ngisho nangaphansi kwezimo ezinzima eziphindwe kabili zokushisa okuphezulu kanye ne-voltage ephezulu, isengakwazi ukugcina ukusebenza kukagesi okuzinzile namandla emishini.
UL3289: Izinga lokushisa eliphezulu{1}}elihambisanayo nezinkambu zemishini nezasekhaya
I-UL3289 iletha ukusebenza okucishe kufane ne-UL3321, futhi amandla ayo abalulekile asezindaweni zayo ezivelele zemishini kanye nokuncipha komlilo. Isendlalelo saso sokufakwa kwe-XLPE siphathwa ngokukhethekile ukuze siguge kakhulu futhi simelane nomthelela - ngeke sonakaliswe kalula ezimeni lapho okokusebenza kudlidliza kakhulu noma kuhamba njalo. Futhi ihlangabezana nezinga le-IEC 60332-1-2 FT2 ye-flame retardant, enezici ezicishayo eziqinile kanye nokuminyana kwentuthu ephansi uma ichayeke emlilweni. Uma kukhulunywa ngezinhlelo zokusebenza,I-UL3289ijwayele ukusetshenziselwa ukuhola izinjini, izintambo zangaphakathi ezinsizeni zasendlini, kanye nokuxhunywa kukagesi emishinini yezimboni. Ilungele kakhulu izikhathi ezidinga ukumelana nezinga lokushisa eliphezulu nokuzinza okuhle kwemishini, njengemishini emikhulu yokuwasha yezimboni kanye nezisetshenziswa zokuthutha ezisebenza{1}}ezimweni zokushisa eziphezulu.Uma kuqhathaniswa neI-UL3321, amamodeli amabili anikezela{0}}ngokusebenza okufanayo kwezinga lokushisa eliphezulu. Ungakhetha phakathi kwazo ngokuguquguqukayo ngokuya ngezidingo ezithile zemishini yemishini yakho kanye nesabelomali sakho.
| Isitayela |
I-Voltage elinganiselwe |
Ikalelwe izinga lokushisa |
| I-UL3817 | 3000V AC | 125 degree |
| I-UL3271 | 600V | 125 degree |
| I-UL3321 | 600V | 150 degree |
| I-UL3289 | 600V | 150 degree |
Uma sibheka ithebula lepharamitha esidlule kulo ngaphambilini, lapho sikhetha izintambo ze-XLPE{0}}ezivalekile ze-UL, udinga ukugxila ezintweni ezintathu ezibalulekile: izinga lokushisa, i-voltage, nesimo sohlelo lokusebenza. Ngokusetha{2}}isitoreji samandla kagesi aphezulu, i-UL3817 iwukukhetha okuphezulu. Ezindaweni zokushisa ezingu-150 degrees aphezulu-ezifana{7}}nezinto ezisetshenziswayo zasendlini ezishisayo kakhulu nezifudumezi zasezimbonini, i-UL3321 noma i-UL3289 izosebenza kahle. Uma kukhulunywa ngezinto ezijwayelekile zezimboni, amamojula okuxhumana, izithuthuthu, nezimo ezifanayo, i-UL3271 igqama ngokuguquguquka kwayo kanye nokusebenza kahle kwezindleko. Ngesikhathi esifanayo, kufanele uqinisekise ukuthi igeji yocingo ifana nendawo yokufaka. Ngokufakwa okugxilile, naka irediyasi encane yokugoba. Ezindaweni ezikhethekile-njengalezo ezinokugqwala kwamakhemikhali noma umswakama ophezulu{17}}okukabili{18}}hlola imingcele yokumelana nesimo sezulu somkhiqizo ukuze uqiniseke ukuthi uhlangabezana nezindinganiso ze-UL kanye nezidingo zomkhakha ezifanele.
Isiphetho: Ithrendi yesikhathi esizayo yezintambo ze-XLPE ezivale izintambo ze-UL
Ngokuthuthuka okusheshayo kwezinkambu ezifana nokugcinwa kwamandla, amandla amasha, kanye-nokukhiqiza okuphezulu, izimfuneko zokumelana{1}}nokushisa okuphezulu, ukuvikelwa kwemvelo, nokusebenza kokuphepha kwezintambo namakhebuli bezilokhu zikhula ngokuqhubekayo. Izintambo ze-XLPE ezivale izintambo ze-UL, ngenxa yezinzuzo zazo zokusebenza ezingenakubuyiseleka, zibone ukukhula okuqhubekayo kwesidingo semakethe. Imiklamo ehlukene yamamodeli afanaI-UL3817, I-UL3271, I-UL3321, futhiI-UL3289ihlanganisa ngokuqondile izimo ezihlukahlukene kusukela-kusitoreji samandla kagesi aphezulu ukuya{1}}kuzinto ezisetshenziswayo zasendlini ezinezinga lokushisa eliphezulu, okuhlinzeka ngeziqinisekiso eziyinhloko zokusebenza okuzinzile kwesisetshenziswa. Ngokuzayo, ngokuphindwaphindwa kwezinqubo-zokuxhumanisa kanye nokuthuthukiswa kwamazinga okuvikela imvelo, izintambo ze-XLPE ezivikelwe ze-UL zizoqhubeka zithuthuke ziye ngamazinga kagesi aphezulu, isisindo esilula, kanye nobuhlakani, ngokuqhubekayo zinike amandla ukuthuthukiswa nokuguqulwa{4}}kokukhiqiza okuphezulu.
