Mumatambo emagetsi ane voltage iri pakati nepakati nepamusoro, macompound ekudzivirira e semi-conductive anoita basa rakakosha mukuona kuti magetsi anowirirana uye kuvandudza kubatana pakati pemuchina wekufambisa, insulation, uye shielding layers. Macompound aya anowanzo gadzirwa ne base resin, conductive carbon black, uye zvimwe zvakasiyana-siyana zvekugadzirisa. Pakati pezvinhu izvi, base resin ine simba guru pakugona kushandiswa, kugadzikana kwemagetsi, kushandira pamwe kweinterface, kushanda kwekupisa, uye kuvimbika kwenguva refu kwetambo.
Mumakore achangopfuura, Ethylene Butyl Acrylate (EBA) yave imwe yemaresin anonyanya kufarirwa ekudzivirira macompounds e semi-conductive shielding anoshandiswa mumagetsi epakati nepamagetsi ane simba guru, nekuda kwekushanda kwayo kwakaringana.
Chii chinonzi EBA Resin?
EBA (Ethylene Butyl Acrylate) ipolymer inogadzirwa nethermoplastic inogadzirwa kubva ku ethylene ne butyl acrylate (BA). Kuiswa kwemapoka e butyl acrylate mu polymer chain kunoita kuti pave ne polarity iri pakati nepakati, zvichibvumira EBA kusanganisa hunhu hwakanaka hwema polyolefins nekubatana zviri nani nezvinhu zve polar.
Kana tichienzanisa ne polyethylene yakajairika, EBA ine zvakanakira zvakawanda:
Kuchinjika kwakanaka uye kusimba kwekupisa kwakaderera
Kugadzikana kwakanaka kwekupisa uye kuramba kukwegura kwekupisa
Kupararira kwakavandudzwa kwe conductive carbon black
Kuenderana kwakanaka ne polyethylene,XLPE, nezvimwe zvinhu zvinodzivirira kupisa
Hunhu uhwu hunoita kuti EBA ive resin inokwezva yekudzivirira zvinhu zvinofambisa mvura zvishoma nezvishoma.
Sei EBA Yakakodzera Zvishandiso Zvinodzivirira Zvinoita Semi-Conductive?
Kupararira Kwekabhoni Nhema Kwakavandudzwa
Kushanda kwemagetsi kwechikamu chinodzivirira che semi-conductive kunonyanya kutsamira pakuti conductive carbon black inogona here kugadzira network yakafanana uye inoramba ichienderera mberi yeconductive.
Mapoka epolar muEBA anowedzera kudyidzana pakati pe resin ne conductive carbon black, zvichibatsira kuti kabhoni nhema ipararire zvakaenzana mukati me polymer matrix. Kupararira kuri nani kunobatsira kudzikisa uye kugadzikana kwevhoriyamu resistivity ukuwo kuchivandudza kunaka kwe shielding layer, kuderedza zvikanganiso zve interface uye kukurudzira kubatana kuri nani ne insulation layer.
Kushanda Kwemagetsi Kwakagadzikana
Munguva yekushanda, tambo dzemagetsi dzine voltage yepakati nepamusoro dzinosangana nekuchinja-chinja kwekushisa nguva dzose sezvo mitoro yekushanda ichichinja. Nokudaro, semi-conductive shielding layer inofanira kuchengetedza hunhu hwemagetsi hwakagadzikana pakupisa kwakakura.
Nekugadzirwa kwakagadziridzwa, EBA-based semi-conductive shielding compounds inogona kupa network yekufambisa mvura yakadzikama uye kuderedza kushanduka kwe resistivity kunokonzerwa nekuchinja kwetembiricha. Izvi zvinobatsira kuchengetedza simba remagetsi rakafanana uye zvinobatsira kuti tambo igare yakavimbika kwenguva refu.
Kurwisa Kukwegura Kwakanaka Kwekupisa
Tambo dzemagetsi dzakagadzirirwa kushanda nguva dzose pakupisa kwakakwirira kwemakore mazhinji, zvichiita kuti kudzivirira kukwegura kwekupisa kuve chinhu chakakosha chezvinhu zvinodzivirira kupisa zvishoma.
Zvichienzaniswa nedzimwe nzira dzemazuva ano dzepolymer, EBA inopa kugadzikana kwakanaka kwekupisa. Mushure mekukwegura kwenguva refu kwekupisa, macompounds akavakirwa paEBA anogona kuchengetedza zviri nani hunhu hwawo hwemakanika uye kugadzikana kwechimiro, zvichibatsira kuwedzera hupenyu hwebasa rechidzitiro uye sisitimu yetambo yese.
Kuenzana Kwakanaka Kwesimba uye Kuchinjika
Mukati mekubvisa tambo, kusungirira, kutakurwa, kuiswa, uye kushanda kwenguva refu, jira rekudzivirira rinoita semi-conductive rinosangana nematambudziko akasiyana-siyana emakanika, kusanganisira kumanikidzwa, kukotama, uye kupisa.
Makomichi ekudzivirira akavakirwa paEBA anopa musanganiswa wakaringana wesimba remakanika uye kureba, zvichipa kuchinjika kwakanaka ukuwo zvichiramba zvichidzivirira kutsemuka. Hunhu uhwu hunobatsira kusangana nezvinodiwa zvekugadzirisa uye kushanda kwenguva refu kwetambo dzemagetsi dzepakati nepamusoro.
Mikana Yeramangwana muKushandiswa kweHVDC Cable
Sezvo tekinoroji yekutumira magetsi yeHigh-Voltage Direct Current (HVDC) ichiramba ichikura, kushanda kwakakwirira kunodiwa kubva pazvinhu zvinodzivirira magetsi zvinofambisa magetsi zvishoma.
Kuwedzera pakupa simba remagetsi rakagadzikana, jira rekudzivirira rinofambisa magetsi zvishoma nezvishoma rine basa rakakosha mukuderedza kupinza kwesimba remagetsi munzvimbo inopinza magetsi. Mumakore achangopfuura, zvinhu zvinofambisa magetsi zvishoma zvinobva kuEBA zvakakwezva kutariswa kuri kuwedzera kwekushandiswa kwetambo dzeHVDC. Kuburikidza nekugadzirisa masisitimu eresin uye mafomati anoshanda ekuzadza, macompounds anobva kuEBA ane mukana wekuvandudza maitiro ekuchaja munzvimbo uye kubatsira mukusimudzira masisitimu ekudzivirira magetsi akavimbika etambo dzeHVDC.
Zvinhu Zvikuru Zvokufunga nezvazvo Paunenge Uchishandisa EBA
Kunyange zvazvo EBA ine zvakanakira zvakawanda, hunhu hwayo hunofanira kutariswa panguva yekugadzira nekugadzirisa.
Semuenzaniso, kabhoni nhema inofambisa mhepo inogona kunwisa hunyoro zviri nyore, saka kudzora hunyoro kwakakodzera panguva yekuchengetera, kubata, uye kugadzira kwakakosha. Pamusoro pezvo, EBA inoratidza hunhu hwakasiyana hwekunyunguduka kubva kuzvinhu zvinodzivirira mvura zvakagadzirwa nepolyethylene, zvichida kugadziriswa kwakakodzera kwemamiriro ekugadzirisa pamwe chete. Hunhu hwebutyl acrylate (BA) hunokanganisawo kuchinjika, kugona kushandiswa, uye kuenderana kweinterface, saka kusarudza giredhi rakakodzera reEBA kwakakosha kune akasiyana magadzirirwo etambo uye zvinodiwa zvekushandisa.
Mhedziso
Sezvo tambo dzemagetsi dzine simba repakati nepamusoro, tambo dzesimba rinodzokororwa, uye masisitimu ekutumira eHVDC zvichiramba zvichichinja, macompound ekudzivirira e semi-conductive anotarisirwa kupa huwandu hwakakwira hwekugadzikana kwemagetsi, kushandirana kweinterface, kuramba kupisa kukwegura, uye kushanda zvakanaka kwekugadzirisa.
Nekupararira kwayo kwakanaka kwekabhoni nhema, kushanda kwayo kwakasimba kwemagetsi, kuramba kupisa kwakanyanya, uye hunhu hwakanaka hwekugadzirisa, resin yeEBA yave imwe yemaresini akakosha ekudzivirira macompounds epamusoro-soro uye inotarisirwa kuita basa rakakosha mukugadzirwa kwezvinhu zvetambo zvechizvarwa chinotevera.
Nguva yekutumira: Chikumi-26-2026