Isakhiwo esiyisisekelo socingo nekhebula sihlanganisa i-conductor, insulation, shielding, sheath nezinye izingxenye.
1. Umqhubi
Umsebenzi: I-Conductor iyingxenye yocingo nekhebula edlulisa amandla kagesi (magnetic), ulwazi futhi eqaphela imisebenzi ethile yokuguqulwa kwamandla kagesi.
Material: Kukhona ikakhulukazi ama-conductor angavaliwe, njengethusi, i-aluminium, i-alloy yethusi, i-aluminium alloy; amakhondaktha ahlanganiswe ngensimbi, njengethusi elithayiwe, ithusi elinesiliva, ithusi eline-nickel; amakhondaktha agqoke insimbi, njengensimbi egqoke ithusi, i-aluminiyamu egqoke ithusi, insimbi egqoke i-aluminium, njll.
2. I-insulation
Umsebenzi: Isendlalelo se-insulating sisongwe ku-conductor noma isendlalelo esengeziwe se-conductor (njenge-refractory mica tape), futhi umsebenzi wayo ukuhlukanisa umqhubi ekuthwaleni i-voltage ehambisanayo nokuvimbela ukuvuza kwamanje.
Izinto ezisetshenziswa kakhulu ukufakwa kwe-extruded yi-polyvinyl chloride (PVC), i-polyethylene (PE), i-polyethylene exhumene (XLPE), i-halogen-free flame retardant polyolefin (LSZH/HFFR), i-fluoroplastics, ukunwebeka kwe-thermoplastic (TPE), iraba ye-silicone (SR), irabha ye-ethylene propylene (EPM/EPDM), njll.
3. Ukuvikela
Umsebenzi: Isendlalelo esivikelayo esisetshenziswa emikhiqizweni yocingo neyekhebula empeleni sinemiqondo emibili ehluke ngokuphelele.
Okokuqala, ukwakheka kwezintambo nezintambo ezidlulisa amagagasi kagesi kagesi aphezulu (njengefrikhwensi yomsakazo, izintambo zikagesi) noma amaza abuthaka (njengezintambo zesignali) kubizwa ngokuthi i-electromagnetic shielding. Inhloso iwukuvimba ukuphazamiseka kwamagagasi kagesi angaphandle, noma ukuvimbela amasignali amaza aphezulu kukhebula ukuthi angaphazamisi izwe langaphandle, kanye nokuvimbela ukuphazamiseka phakathi kwamapheya ezintambo.
Okwesibili, ukwakheka kwezintambo zamandla kagesi aphakathi nendawo naphezulu ukulinganisa inkambu kagesi endaweni ye-conductor noma indawo evikelayo ibizwa ngokuthi i-electric field shielding. Ukukhuluma ngokuqinile, ukuvikela insimu kagesi akudingi umsebenzi "wokuvikela", kodwa kuphela kudlala indima ye-homogenizing insimu kagesi. Isihlangu esigoqa ikhebula ngokuvamile siphansi.
* Isakhiwo sokuvikela i-Electromagnetic nezinto zokwakha
① Isivikelo esilukiwe: ikakhulukazi sebenzisa intambo yethusi engenalutho, intambo yethusi ehlanganiswe ngothayela, intambo yethusi enesiliva, i-aluminium-magnesium alloy wire, itheyiphu eyisicaba yethusi, itheyiphu eyisicaba yethusi ehlanganiswe ngesiliva, njll. okumele ilukwe ngaphandle kwenkambo evalekile, intambo. i-pair noma i-cable core;
② Ukuvikela itheyiphu yethusi: sebenzisa itheyiphu yethusi ethambile ukumboza noma ukugoqa ngokuqondile ngaphandle kwenkambo yekhebula;
③ Ukuvikela itheyiphu eyinhlanganisela yensimbi: sebenzisa i-aluminium foil ye-Mylar tape noma i-copper tape ye-Mylar ukuze usonge noma usonge ngokuma izintambo ezimbili noma umgogodla wekhebula;
④ Ukuvikela okuphelele: Ukusetshenziswa okuphelele ngezindlela ezihlukene zokuvikela.Isibonelo, bopha (1-4) izintambo zethusi ezizacile ziqonde phezulu ngemva kokusonga ngefoyili ye-aluminium ye-Mylar tape. Izintambo zethusi zingandisa umphumela wokuqhuba isivikelo;
⑤ Isivikelo esihlukene + isivikelo esiphelele: izintambo ezimbili noma iqoqo lezintambo zivikelwe nge-aluminium foil I-Mylar tape noma ucingo lwethusi olulukiwe ngokuhlukana, bese kufakwa isakhiwo sokuzivikela esiphelele ngemva kwekhebula;
⑥ Isivikelo sokugoqa: Sebenzisa intambo yethusi emincane, itheyiphu eyisicaba yethusi, njll. ukuze usonge umgogodla wentambo evalekile, ukupheya kwentambo noma umgogodla wekhebula.
* Isakhiwo sokuvikela insimu kagesi nezinto zokwakha
I-Semi-conductive shielding: Ezintamboni zamandla angu-6kV nangaphezulu, ungqimba oluyisivikelo oluncane oluncane lunamathiselwe endaweni yekhondatha kanye nendawo evikelayo. Isendlalelo esivikela i-conductor yisendlalelo se-semi-conductive esikhishiwe. Ukuvikela i-conductor ene-cross-section engu-500mm² nangaphezulu ngokuvamile kwakhiwa itheyiphu ye-semi-conductive kanye nesendlalelo se-semi-conductive ekhishiwe. I-insulating shielding layer iyisakhiwo esikhishwe ngaphandle;
Ukugoqa kwentambo yethusi: Intambo yethusi eyindilinga isetshenziselwa ikakhulukazi ukugoqa okuhlangene, futhi ungqimba lwangaphandle lulinyazwa ngokuhlehla futhi luboshwe ngeteyiphu yethusi noma ucingo lwethusi. Lolu hlobo lwesakhiwo ngokuvamile lusetshenziswa kumakhebuli anamanzi amakhulu wesiyingi esifushane, njengamakhebuli engxenye enkulu engu-35kV. ikhebula lamandla elilodwa;
Ukugoqa i-copper tape: ukugoqa nge-tape yethusi ethambile;
④ Igobolondo le-aluminium enothayela: Ithatha i-extrusion eshisayo noma i-aluminium tape yokugoqa longitudinal, i-welding, i-embossing, njll. Lolu hlobo lwesivikelo luphinde lube nokuvinjwa kwamanzi okuhle kakhulu, futhi lusetshenziselwa ikakhulukazi izintambo zamandla aphezulu kanye ne-ultra-high-high-voltage.
4. Umgodla
Umsebenzi we-sheath ukuvikela ikhebula, futhi okuyisisekelo ukuvikela ukufakwa. Ngenxa yemvelo yokusetshenziswa ehlala ishintsha, izimo zokusetshenziswa kanye nezidingo zomsebenzisi. Ngakho-ke, izinhlobo, amafomu esakhiwo kanye nezidingo zokusebenza zesakhiwo se-sheathing nazo ziyahlukahluka, ezingafingqwa ngezigaba ezintathu:
Enye iwukuvikela izimo zezulu zangaphandle, amandla emishini ngezikhathi ezithile, kanye nongqimba olujwayelekile lokuvikela oludinga ukuvikelwa kokuvala okuvamile (njengokuvimbela ukungena komhwamuko namagesi ayingozi); Uma kukhona amandla amakhulu angaphandle emishini noma ithwala isisindo sekhebula, kufanele kube nesakhiwo sesendlalelo sokuzivikela sesendlalelo sensimbi yensimbi; okwesithathu yisakhiwo sesendlalelo esivikelayo esinezidingo ezikhethekile.
Ngakho-ke, ukwakheka kwe-sheath yocingo nekhebula ngokuvamile kuhlukaniswe izingxenye ezimbili ezinkulu: i-sheath (umkhono) kanye ne-sheath yangaphandle. Isakhiwo se-sheath yangaphakathi silula, kuyilapho i-sheath yangaphandle ihlanganisa ungqimba lwensimbi yensimbi kanye nongqimba lwangaphakathi lwangaphakathi (ukuvimbela ungqimba lwezikhali ekulimazeni ungqimba lwangaphakathi lwe-sheath), kanye ne-sheath yangaphandle evikela ungqimba lwezikhali, njll. . Ngezinhlobonhlobo zezidingo ezikhethekile ezifana ne-flame retardant, ukumelana nomlilo, ukulwa nezinambuzane (umhlwa), ukulwa nezilwane (i-rat bite, i-bird peck), njll., iningi lazo lixazululwa ngokungeza amakhemikhali ahlukahlukene emgodleni wangaphandle; abambalwa kufanele bengeze izingxenye ezidingekayo esakhiweni se-sheath yangaphandle.
Izinto ezisetshenziswa kakhulu yilezi:
I-Polyvinyl chloride (PVC), i-polyethylene (PE), i-polyperfluoroethylene propylene (FEP), i-low smoke halogen free flame retardant polyolefin (LSZH/HFFR), i-thermoplastic elastomer (TPE)
Isikhathi sokuthumela: Dec-30-2022