U ka tseba hore lihlahisoa tsohle tse ncha li phatlalatsoa mona, 'me u bone kholo le boqapi ba rona.
Letsatsi: 07-29-2025
Ka phetoho ea rona e sa khaotseng ho ea litsamaisong tsa motlakase tse ka tlas'a lefatše, tlhoko ea kabo e tšepahalang, e bolokehileng le e tenyetsehang e ntse e eketseha letsatsi le letsatsi. Sena se hloka ho hlophisoa ho hlophisitsoeng ha lihokelo tsa setsoe sa ho roala mojaro ho hokela le ho khaola lipotoloho tse nang le matla ka mokhoa o sireletsehileng.
Lihokelo tsena li hokahanya likhoele tse ka tlas'a lefatše le li-bushing tse ka pele tse shoeleng holim'a li-transformer tse khomaretsoeng ka padmount, ho netefatsa hore ho na le khokahano e sireletsehileng le e tšepahalang pakeng tsa likhoele tsa motlakase le li-transformer.
Joale, hantle-ntle ke engSehokelo sa setsoe sa LoabreakE sebetsa joang?
A re arabeng lipotso tsena, har'a tse ling tse ngata, sehloohong sena.
Sekotwana sa brake se jarwang ke sehokelo se ka arohanngwang, se kentsweng mochesong, se sebediswang ditsamaisong tse ngata tsa motlakase o tlase ho isa ho o mahareng bakeng sa ho fetola mojaro ka matla. Dihokelo tsa sekotwana sa brake se jarwang ke moedi di sebediswa ho hokela dikhoele tsa motlakase o mahareng, tse ka tlasa lefatshe ho di-transformer, switchgear le disebediswa tse ding.
Lihokelo tsena li fana ka khokahano ea mechine le ea motlakase e sirelelitsoeng ka botlalo le e ka qoelisoang ka metsing, 'me li etselitsoe ho etsa kapa ho roba likhokahano tlas'a mojaro. Li lekantsoe haholo bakeng sa litsamaiso tsa 15 kV, 25 kV le 35 kV.
Ho netefatsa hore hoa fapanyetsana le ts'ebetso e sireletsehileng tlas'a mojaro le litsamaisong tse fapaneng tsa motlakase, boholo ba li-elbow tsa ho khaola mojaro li fihlela maemo a indasteri joalo kaIEEE 386.
Li-elbow tsa bohobe ba mojaro li nolofalletsa ho hokahana le ho hokela hape ka kotloloho ka thuso ea lisebelisoa tse chesang. Tse ling tsa likarolo tsa eona tsa bohlokoa ke tsena:
Ena ke mosebetsi oa bona oa mantlha, kaha ba ka sitisa le ho hokela khokahano ea ho fihlela ho 200 A, ha ba ntse ba arola kapa ba arola lisebelisoa tse fapaneng ntle le ho fokotsa matla a sistimi eohle.
Ntlha ea electrode ea letsopa e atoloha ka nģ'ane ho 'mele oa setsoe 'me e thusa ho tima arc e entsoeng ha ho aroloa khokahano tlas'a mojaro.
Basebelisi ba ka sebelisa lisebelisoa tsa mohala o phelang o nang le insulation (lithupa tse chesang) ho hula le ho kenya setsoe. Mona, mokhoa oa selemo o sebelisoa ho fokotsa khatello ea motlakase le ho tsofala, ha ka nako e ts'oanang o laola ho qalisoa ha arc.
Lintlha tsa teko ea capacitive li kenyelelitsoe ka har'a litsoe tsa ho roba mojaro ho netefatsa hore na khokahano e sebetsa pele le ka mor'a ho khaoloa. Lintlha tsena tsa capacitive ha li hokahane le mokhanni e moholo.
Likarolo tsena kaofela li sebetsa ka kutloano ho lumella lihokelo tsa ho khaola mojaro ho hokela le ho khaola likhokahano tse phelang ha ka nako e ts'oanang li boloka polokeho ea opereishene le sistimi.
Lihokelo tsa khaoho ea mojaro li tla ka mefuta e fapaneng ho latela sehlopha sa motlakase, tikoloho ea ts'ebeliso le tlhophiso. A re bueng ka tse ling tsa mefuta e sebelisoang haholo:
Li-elbow tsa ho khaola mojaro li tla ka mefuta e fapaneng ea motlakase, tse ling tsa tsona ke:
15kV:Li etselitsoe lipotoloho tse fihlang ho 15 kV, tse nang le motlakase o tsoelang pele oa li-Ampere tse 200. Lihokelo tsena tsa setsoe tsa 15 kV li sirelelitsoe ka botlalo, li qoelisoa 'me ka linako tse ling li na le likhokahano tsa bimetal.
25kV:Tsena Litsoele tsa khefu ea mojaro oa 25 kvLi lekantsoe bakeng sa litsamaiso tse fihlang ho 24 kV, hangata ho 250 A current current e nang le bokgoni ba ho jara boima ba 300 A ka lihora tse 8. Li tšehetsa likhoele tse koahetsoeng ka XLPE kapa EPR tse nang le likarolo tse tšekaletseng tsa conductor ho tloha ho ~25–120 mm². Li sebelisoa khafetsa litsamaisong tsa motlakase tsa sejoale-joale 'me li fana ka mokhoa o sireletsehileng le o sireletsehileng oa ho hokela/ho khaola lipotoloho tse ling.
35kV:Leha ho le jwalo, 25Li-elbow tsa khefu ea mojaro oa KvHa di sebediswa hangata, 35 kV le yona e sebediswa bakeng sa ditshebediso tse itseng tse ikgethang. Di ka mamella motlakase o tswelang pele wa ho fihla ho 200 Amperes le tekanyo ya motlakase kapa ho fihla ho 35 kV. Ho laola motlakase ona o moholo, di na le ho kenya ha EPDM e phekotsweng ka peroxide le thebe ya semiconducting, sehokelo sa kgatello ya koporo, probe ya koporo e tshwerweng ka tin e nang le ntlha ya molatedi wa arc, le dintlha tsa teko ya capacitive tse ikgethang.
Lihokelo tsa ho kgaotsa mojaro li tla ka dibopeho tse fapaneng ho dumellana le ditshebediso tse fapaneng
Setsoe se tloaelehileng sa ho roba mojaro:Tsena di sebediswa ho hokela thapo e le nngwe ho sesebediswa se le seng (mohlala, transformer, switchgear). Di sebedisa malebela a probe a ceramic a hlahellang ho tshehetsa mesebetsi e matlafaditsweng.
Setsoe sa mofuta oa khohlano:Li boetse li bitsoa li-elbow tsa litsela tse ngata kapa tee. Li lumella ho hokahana ka ho hokahanya likhoele tse ngata hammoho ka har'a ntlo e le 'ngoe e nang le insulation. Litlhophiso tse tloaelehileng li kenyelletsa li-elbow tsa junction tsa lintlha tse 2, lintlha tse 3, le lintlha tse 4 tse sebelisoang mefuteng e rarahaneng ea kabo.
Ka ntlha ea teko ea capacitive:Litsoe tsena tse khaohang mojaro li kenyelletsa sensor e bōpiloeng, e nang le capacitive ho bontša motlakase oa potoloho (hangata e ka bang 10-12% ea motlakase oa mohato ho ea fatše). Tšobotsi ena e nolofalletsa netefatso ea motlakase o sireletsehileng ntle le ho matlafatsa sehokelo ka kotloloho.
Ntle le ntlha ea teko:Tsena di loketse ho kenngwa moo diteko tsa motlakase di etswang dibakeng tse ding, di-elbow tsena di ke ke tsa fana ka karabelo ya motlakase wa mohato ho ya fatshe hanghang.
Leha boholo ba litsoe tse khaohang mojaro li tla le moralo o ka qoelisoang, tse ling li tla le meralo e hanelang ho bola.
Meralo e ka qoelisoang ka metsing
Meralo ena e ka qoelisoang e ka sebetsa ka mokhoa o tšepahalang tlas'a metsi kapa mobung o tletseng metsi ha e kopantsoe hantle le lihlahla kapa lipolaka tse lumellanang. Mohlala, Anhuang'sLitsoe tsa khefu ea mojaro oa 25 kVfana ka khokahano e ka qoelisoang ka botlalo, e ka aroloang.
Meralo e Hanelang ho Senya
Litsoe tse ling tsa ho khaola moroalo li sebelisoa libakeng tse senyang, tse kang libaka tsa lebopong la leoatle kapa limela tsa lik'hemik'hale. Li fana ka likhokahano tse koetsoeng ka botlalo le tse ka aroloang ka metsing ka lisebelisoa tsa tšepe e sa ruseng le likarolo tsa rabara tsa EPDM tse etselitsoeng ho hanela ho senyeha ha tikoloho maemong a thata.
Mona ke tse ling tsa lits'ebetso tsa 'nete tsa litsoe tsa ho roba mojaro:
Kabo ea matla a ka tlas'a lefatše
Litsoe tse khaotsang mojaro li sebelisoa haholo ho hokahanya likhoele tse ka tlas'a lefatše tsa motlakase o mahareng ho li-transformer, switchgear le lisebelisoa tse ling ntle le ho sitisa tšebeletso.
Li-transformer le li-switchgear tse kentsoeng ka Pad
Li nolofalletsa ts'ebetso e sireletsehileng, e chesang ha ho hokahanngoa kapa ho hakolloa lisebelisoa lits'ebetsong tse sebetsang joalo ka li-transformer tse kentsoeng ka pad le switchgear.
Meaho ea indasteri, ea lisebelisoa le ea khoebo
Litsoe tsa ho khaola mojaro li sebelisoa ho pholletsa le liteishene tse nyane tsa lisebelisoa, litsamaiso tsa motlakase tsa indasteri, le mehaho ea khoebo moo ho hlokahalang ho arola le ho fetola mojaro o phelang.
Mapolasi a matla a moea, a letsatsi le a nchafatsoang
Tsena li loketse bakeng sa ho kenya lintho tse nchafatsoang (joalo ka mapolasi a moea le a letsatsi) moo ts'ebetso e tenyetsehang, e sebetsang ka kotloloho e thusang ho fokotsa nako ea ho se sebetse nakong ea tlhokomelo.
Mekhoa ea merafo le literene
E sebelisoa libakeng tse thata joalo ka ts'ebetso ea merafo le litsamaiso tsa motlakase tsa terene kapa tsa metro ho boloka matla a tsoelang pele ha ho ntse ho aroloa likarolo bakeng sa ts'ebeletso.
Lihokelo tsa setsoe tsa ho roba mojaro ke tsa bohlokoa ha o batla ho arola likarolo tse ling tsa sistimi ea motlakase e ka tlas'a lefatše e nang le motlakase o mahareng. Li fana ka mokhoa o tšepahalang le o sireletsehileng oa ho lokisa likarolo tse ling tsa lipotoloho ntle le ho sitisa phepelo ea motlakase ka kakaretso.
Haeba o batla ho rekaLihokelo tsa litsoe tsa 25 kV tse robehang mojaroBakeng sa kopo ea hau, o tlameha ho hlahloba mefuta e fapaneng ea Anhuanglitsoe tsa khefu ea mojaro.
Aterese:Nomoro ea 27, Binhai South 3 road, Yueqing Economic Development Zone, Wenzhou City, Profinseng ea Zhejiang, Chaena.
