Letsatsi:Dec-03-2024
Molded Case Circuit Breakers(MCCBs) e emela tsoelo-pele ea bohlokoa ho theknoloji ea ts'ireletso ea motlakase, e sebetsa e le lisebelisoa tsa bohlokoa tsa polokeho lits'ebetsong tsa sejoale-joale tsa motlakase. Li-circuits tsena tse tsoetseng pele li kopanya mekhoa ea ts'ireletso e matla le moralo o kopaneng, tse fanang ka ts'ireletso e felletseng khahlano le liphoso tse fapaneng tsa motlakase, ho kenyelletsa le ho tlala, li-circuits tse khutšoane le liphoso tsa fatše. E kentsoeng ka matlong a tšoarellang, a sirelelitsoeng, li-MCCB li etselitsoe ho fana ka ts'ireletso ea potoloho e tšepahalang ha ho ntse ho netefatsa phepelo e bolokehileng le e sebetsang ea matla mehahong, litsing tsa indasteri le litsing tsa khoebo. Ho feto-fetoha ha bona ho lumella ho itlhophisa ka litlhophiso tsa maeto tse feto-fetohang, ho li etsa hore li ikamahanye le litlhoko tse fapaneng tsa motlakase le maemo a mojaro. Ho fapana le li-circuit breaker, li-MCCB li fana ka likarolo tse ntlafalitsoeng joalo ka li-unit tsa maeto a thermal-magnetic kapa tsa elektroniki, bokhoni bo phahameng ba ho sitisa, le khokahano e betere le lisebelisoa tse ling tsa ts'ireletso mochining oa motlakase. Sena se etsa hore e be tsa bohlokoa haholo lits'ebetsong tsa sejoale-joale tsa motlakase moo kabo e tšepahalang ea motlakase le ts'ireletso ea lisebelisoa e leng tsa bohlokoa, haholo lits'ebetsong tse hlokang maqhubu ho tloha ho li-ampere tse 'maloa ho isa ho tse likete tse' maloa.
Li-MCCB li fana ka tšireletso e felletseng khahlanong le phallo e feteletseng ea hona joale ka sistimi e rarahaneng ea ts'ireletso e habeli. Karolo ea ts'ireletso ea mocheso e sebelisa mohala oa bimetallic o arabelang maemo a mangata a tsitsitseng ka ho khumama ha o futhumala, ho etsa hore mochine oa ho senya. Karolo ea ts'ireletso ea makenete e arabela hang-hang maqhubu a potoloho e khuts'oane e sebelisa electromagnetic solenoid. Mokhoa ona o habeli o tiisa ts'ireletso ea butle-butle le ts'ireletso ea potoloho e khuts'oane, e sireletsang lisebelisoa le lisebelisoa tsa motlakase hore li se ke tsa senyeha. Litlhophiso tsa maeto tse feto-fetohang li lumella basebelisi ho itlhophisa ho latela maemo a ts'ireletso ho latela litlhoko tse ikhethileng tsa ts'ebeliso, e leng se etsang hore li khonehe bakeng sa ho kenya lisebelisoa tse fapaneng tsa motlakase.
E 'ngoe ea likarolo tsa bohlokoa ka ho fetisisa tsa li-MCCB ke litlhophiso tsa tsona tsa maeto tse feto-fetohang, tse lumellang hore ho be le litekanyetso tse nepahetseng tsa tšireletso. Basebelisi ba ka fetola menyako ea maeto a mocheso le a makenete hore a tsamaellane le litlhoko tse ikhethileng tsa mojaro le litlhoko tsa khokahano. Phetoho ena e kenyelletsa litlhophiso tsa ts'ireletso ea moroalo o mongata (hangata 70-100% ea hajoale e lekantsoeng), litlhophiso tsa ts'ireletso ea potoloho e khuts'oane, 'me maemong a mang, litlhophiso tsa ts'ireletso ea liphoso tsa fatše. Li-MCCB tsa sejoale-joale hangata li na le likarolo tsa maeto tsa elektroniki tse fanang ka matla a ho lokisa le ho feta, ho kenyeletsoa tieho ea nako le maemo a ho palama, a nolofalletsang tšebelisano e ntle le lisebelisoa tse ling tsa ts'ireletso tsamaisong ea motlakase.
Li-MCCB li entsoe ka bokhoni bo phahameng ba ho sitisa, tse khonang ho senya maqhubu ka mokhoa o sireletsehileng ka makhetlo a mangata ho latela litekanyetso tsa tsona. Karolo ena e bohlokoa bakeng sa ho boloka ts'ireletso ea sistimi nakong ea mathata a tebileng. Matla a sitisang a ka tloha ho 10kA ho isa ho 200kA kapa ho feta, ho latela mohlala le litlhoko tsa ts'ebeliso. Bokhoni ba seqheketsi ba ho sitisa maqhubu a phahameng a phoso ntle le tšenyo kapa kotsi e finyelloa ka likamore tsa ho tima li-arc tse tsoetseng pele, lisebelisoa tsa ho ikopanya le mekhoa ea ts'ebetso. Boemo bona bo phahameng bo sitisang bo etsa hore li-MCCB li tšoanelehe bakeng sa ts'ireletso ea potoloho ea mantlha le lits'ebetso tsa bohlokoa tsa potoloho e nyane moo ho nang le mathata a bohlokoa.
Mohaho oa linyeoe tse bōpiloeng tsa MCCBs o fana ka tšireletso e babatsehang le tšireletso khahlanong le maemo a tikoloho. Thepa ea matlo e sireletsang mocheso le ea motlakase e tiisa ts'ireletseho ea basebetsi le ho sireletsa likarolo tsa ka hare ho lerōle, mongobo le ho pepesehela lik'hemik'hale. Kaho ena e matla e etsa hore li-MCCB li tšoanelehe bakeng sa libaka tse fapaneng tsa ho kenya, ho tloha maemong a hloekileng a kahare ho isa maemong a thata a indasteri. Matlo a boetse a kenyelletsa likarolo tse kang litekanyetso tsa IP bakeng sa maemo a fapaneng a ts'ireletso ea tikoloho le thepa e thibelang malakabe, ho netefatsa ts'epo le polokeho ea nako e telele lits'ebetsong tse fapaneng.
Li-MCCB li kenyelletsa matšoao a hlakileng a bonoang a bonts'ang boemo ba ts'ebetso ea motho ea robehileng, ho kenyeletsoa boemo ba ON/OFF, boemo ba leeto, le matšoao a mofuta oa phoso. Matšoao ana a thusa basebetsi ba tlhokomelo ka potlako ho lemoha sesosa sa leeto, ebang ke ka lebaka la boima bo feteletseng, potoloho e khutšoanyane, kapa phoso ea fatše. Mefuta e tsoetseng pele e ka kenyelletsa lipontšo tsa LED kapa li-digital tse bonts'ang maemo a hajoale, nalane ea liphoso, le lintlha tse ling tsa tlhahlobo. Karolo ena e ntlafatsa ts'ebetso ea tlhokomelo 'me e thusa ho rarolla mathata a motlakase, ho fokotsa nako ea ho theoha le ho ntlafatsa ts'epahalo ea sistimi.
Li-MCCB tsa sejoale-joale li ka ba le lisebelisoa tse fapaneng tse thusang le lisebelisoa tse ntlafatsang ts'ebetso ea tsona. Tsena li kenyelletsa likhokahano tse thusang bakeng sa ho beha leihlo boemo ba remoutu, mabitso a alamo bakeng sa ho supa phoso, maeto a shunt bakeng sa ho khoptjoa u le hole, le li opareitara bakeng sa ts'ebetso ea hole. Lisebelisoa tsena li thusa ho hokahana le litsamaiso tsa taolo ea meaho, litsamaiso tsa SCADA, le liforomo tse ling tsa tlhahlobo le taolo. Moralo oa modular o lumella ho kengoa habonolo ha lisebelisoa tsena, ho etsa hore li-MCCB li ikamahanye le maemo a feto-fetohang a sistimi le litlhoko tsa boiketsetso.
Li-MCCB tse tsoetseng pele li kenyelletsa lits'ebetso tsa mohopolo oa mocheso o latang boemo ba mocheso oa lipotoloho tse sirelelitsoeng le kamora ketsahalo ea leeto. Tšobotsi ena e etsa bonnete ba hore ha e koala ka mor'a leeto la mocheso, sekhechana se ikarabella bakeng sa mocheso o setseng oa potoloho, ho thibela tšenyo e ka 'nang ea e-ba teng ho tloha ka potlako ho kopanngoa ho potoloho e seng e futhumetse. Mosebetsi oa mohopolo oa mocheso o ntlafatsa ho nepahala ha ts'ireletso le nako e telele ea lisebelisoa ka ho nahana ka litlamorao tsa maemo a mangata a mangata ha nako e ntse e feta.
Li-MCCB tsa sejoale-joale li kenyelletsa likarolo tsa maeto tsa elektroniki tse tsoetseng pele tse ntlafatsang haholo bokhoni ba ts'ireletso le mesebetsi ea ho beha leihlo. Likarolo tsena tse thehiloeng ho microprocessor li fana ka li-algorithms tsa ts'ireletso tse tsoetseng pele tse ka hlophisoang lits'ebetso tse ikhethileng. Likarolo tsa maeto a elektroniki li fana ka likarolo tse kang tekanyo ea 'nete ea RMS, tlhahlobo e lumellanang, tlhahlobo ea boleng ba matla le bokhoni ba ho rekota data. Ba ka bonts'a liparamente tsa motlakase tsa nako ea nnete ho kenyelletsa hona joale, voltage, factor factor, le tšebeliso ea matla. Mehlala e tsoetseng pele e kenyelletsa likhokahano tsa likhokahano bakeng sa ho lekola le ho laola hole, ho nolofalletsa ho hokahanya le litsamaiso tse bohlale tsa marang-rang le sethala sa taolo ea matla. Likarolo tsa maeto a elektroniki li boetse li thusa tokiso ea thibelo ka litlhahlobo tse boletsoeng esale pele, ho beha leihlo hore na motho o tla apara joang, le ho fana ka temoso ea esale pele ka litaba tse ka hlahang, e leng se etsang hore e be tsa bohlokoa bakeng sa litsamaiso tsa sejoale-joale tsa phepelo ea motlakase.
Li-MCCB li entsoe ka bokhoni ba ho etsa liteko bo hahelletsoeng bo lumellang ho hlahlojoa khafetsa ntle le ho tlosa sekhechana tšebeletsong. Likonopo tsa liteko li thusa ho netefatsa mekhoa ea maeto, athe mefuta e meng e kenyelletsa likou tsa liteko bakeng sa tlhahlobo ea ente ea ts'ireletso. Li-MCCB tsa elektroniki tse tsoetseng pele li ka kenyelletsa likarolo tsa ho itlhahloba tse lulang li beha leihlo likarolo tsa kahare le ho lemosa basebelisi ka mathata a ka bang teng. Likarolo tsena tsa tlhokomelo li netefatsa ts'ebetso e tšepahalang le ho thusa ho thibela ho hloleha ho sa lebelloang ka tlhahlobo ea kamehla le tlhokomelo e thibelang.
Li-MCCBse emela tsoelo-pele e kholo ea theknoloji ea tšireletso ea potoloho, e kopanyang mekhoa ea ts'ireletso e tsoetseng pele le kaho e matla le ts'ebetso e fapaneng. Likarolo tsa bona tse felletseng tsa likarolo li etsa hore e be tsa bohlokoa haholo lits'ebetsong tsa sejoale-joale tsa motlakase, li fana ka ts'ireletso e ts'epahalang khahlanong le liphoso tse fapaneng tsa motlakase ha li ntse li fana ka phetoho e hlokahalang bakeng sa lits'ebetso tse fapaneng. Ho kopanngoa ha litlhophiso tse feto-fetohang, bokhoni bo phahameng ba ho sitisa, le bokhoni bo tsoetseng pele ba ho beha leihlo ho netefatsa khokahanyo e nepahetseng ea ts'ireletso le ts'epo ea sistimi. Ka tlatsetso ea lisebelisoa tse thusang le bokhoni ba puisano, li-MCCB li ntse li tsoela pele ho fetoha, ho fihlela litlhoko tse ntseng li eketseha tsa litsamaiso tsa sejoale-joale tsa kabo ea motlakase le mahlale a mahlale a meaho. Karolo ea bona ts'ireletseho ea motlakase le ts'ireletso ea tsamaiso e ba etsa karolo ea bohlokoa moralong le ts'ebetsong ea lisebelisoa tsa motlakase likarolong tsohle, ho tloha litsing tsa indasteri ho ea mehahong ea khoebo le lisebelisoa tsa bohlokoa.
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