KutloisisoDC MCBTataiso e Felletseng
Poleloana “DC miniature circuit breaker” (DC MCB) e ntse e fumana tlhokomelo e ntseng e eketseha masimong a boenjiniere ba motlakase le kabo ea motlakase. Ha tlhoko ea litsamaiso tsa motlakase tse sebetsang hantle le tse tšepahalang e ntse e tsoela pele ho hola, ho utloisisa karolo le mosebetsi oa DC miniature circuit breaker ke habohlokoa bakeng sa litsebi le batho ba chesehelang ka ho tšoanang.
Ke engSeqhomi sa potoloho se senyenyane sa DC?
Sesebediswa sa DC miniature circuit breaker (MCB) ke sesebediswa se sireletsang se kgaolang potoloho ka boiketsetso haeba ho na le ho jara boima ba motlakase kapa potoloho e kgutshwane. Ho fapana le disebediswa tsa AC miniature circuit breaker, tse sebediswang ditsamaisong tsa AC, disebediswa tsa DC miniature circuit breaker di etseditswe ka ho kgetheha bakeng sa ditshebediso tsa DC. Phapang ena e bohlokwa hobane dibopeho tsa hajwale tsa ditsamaiso tsa DC di fapana haholo le tsa ditsamaiso tsa AC, haholoholo mabapi le dibopeho tsa arc extinction le fault current.
Bohlokoa ba Li-DC Miniature Circuit Breakers
Bohlokoa ba li-DC miniature circuit breaker bo ke ke ba feteletsoa, haholo-holo lits'ebetsong moo matla a DC a atileng haholo. Lits'ebetso tsena li kenyelletsa litsamaiso tsa matla a nchafatsoang joalo ka ho kenngoa ha letsatsi la photovoltaic (PV), litsamaiso tsa polokelo ea matla a betri, le likoloi tsa motlakase. Maemong ana, ts'epo le polokeho ea sistimi ea motlakase ke tsa bohlokoa haholo, e leng se etsang hore karolo ea li-DC miniature circuit breaker e be ea bohlokoa.
- Tšireletso ea ho Jara Meroho e Feteletseng: Li-DC miniature circuit breaker (li-MCB) li sebelisoa ho sireletsa lipotoloho ho overloads. Ha motlakase o feta bokgoni ba potoloho bo lekantsoeng, MCB ea thella, e thibela tšenyo potolohong le lisebelisoa tse hokahaneng.
- Tšireletso ea potoloho e khuts'oane: Ha potoloho e kgutshwane e hlaha, di-DC miniature circuit breaker (MCB) di kgaola potoloho kapele, di fokotsa kotsi ya mollo le tshenyo ya disebediswa. Karabelo ena e potlakileng e bohlokwa ho bolokeng polokeho ya sistimi ya motlakase.
- Mokhoa oa ho seta botjha o bonolo ho o sebelisa: Kamora leeto, DC miniature circuit breaker e ka seta botjha habonolo, ya kgutlisetsa motlakase kapele ntle le ho nkela circuit breaker sebaka, ya ntlafatsa boiketlo ba tsamaiso ya sistimi ya motlakase.
Likarolo tsa mantlha tsa li-DC miniature circuit breakers
Ha o kgetha DC miniature circuit breaker, ho lokela ho nahanelwa ka dikarolo tse mmalwa tsa bohlokwa:
E lekantsoe Hona Joale: Li-DC miniature circuit breaker (li-MCB) li fumaneha ka mefuta e fapaneng ea maqhubu a lekantsoeng, e leng se lumellang basebelisi ho khetha sesebelisoa se loketseng ho latela litlhoko tsa bona tse ikhethileng tsa ts'ebeliso. Ho khetha se-miniature circuit breaker se loketseng sa hona joale se lekantsoeng ho bohlokoa ho netefatsa tšireletso e ntle ka ho fetisisa.
- Motlakase o lekantsoeng: Motlakase o lekantsoeng oa DC miniature circuit breaker o bontša motlakase o moholo ka ho fetisisa oo e ka o mamellang. Ho bohlokoa ho khetha miniature circuit breaker e lumellanang le boemo ba motlakase ba sistimi eo e tla kenngoa ho eona.
- Litšobotsi tsa Leeto: Li-miniature breaker tse fapaneng li na le litšobotsi tse fapaneng tsa ho tsamaea, tse khethollang hore na li arabela kapele hakae ho overload le lipotoloho tse khutšoane. Ho utloisisa litšobotsi tsena ho bohlokoa ho netefatsa polokeho le botšepehi ba litsamaiso tsa motlakase.
- Ho kenya le ho hlokomela: Li-DC miniature circuit breaker (li-MCB) li etselitsoe ho kenya le ho hlokomela habonolo. Li ka kenngoa lireng tse tloaelehileng tsa DIN 'me li loketse lits'ebetso tse fapaneng ho tloha libakeng tsa bolulo ho ea liindastering.
Tšebeliso ea Li-breaker tsa DC Miniature Circuit
Li-DC miniature circuit breaker li na le mefuta e fapaneng ea ts'ebeliso, ho kenyeletsoa:
- Sistimi ea Phetoho ea Matla a Letsatsi: Mehahong ea matla a letsatsi a photovoltaic, li-DC MCB li sireletsa lithapo le likarolo ho tsoa ho overload le lipotoloho tse khutšoane, li netefatsa polokeho le katleho ea sistimi.
- Mekhoa ea ho Boloka Libetri: Ha ditharollo tsa polokelo ya matla di ntse di ata haholo, di-DC MCB di bapala karolo ya bohlokwa ho sireletseng ditsamaiso tsa betri diphosong tsa motlakase.
- Likoloi tsa Motlakase: Likoloing tsa motlakase, li-DC MCB li bohlokoa ho sireletsa litsamaiso tsa motlakase tsa koloi, ho netefatsa ts'ebetso e sireletsehileng le ho thibela tšenyo.
Phapang ke efe pakeng tsa AC MCB le DC MCB?
AC MCB e entsoe ho nahanoa ka ho tšela ha lefela, kahoo ho hatelloa ha arc ha ho hloke boiteko bo bongata. Ka lehlakoreng le leng, DC MCBs e hloka li-arc chute tse kholoanyane kapa limakenete ho sebetsana le motlakase o tsitsitseng oa DC kaha o phalla ka lehlakoreng le le leng feela. Likarolo tsena li qhala mocheso 'me li tima arc, li netefatsa hore ho na le tšitiso e sireletsehileng.
Ka bokhutšoane
Ha re bua ka bokhutšoanyane, li-DC miniature circuit breaker (li-MCB) ke likarolo tsa bohlokoa lits'ebetsong tsa motlakase tsa DC tsa sejoale-joale. Bokhoni ba tsona ba ho sireletsa motlakase o feteletseng le oa potoloho e khuts'oane bo li etsa hore li be tsa bohlokoa lits'ebetsong tse kang matla a nchafatsoang, polokelo ea matla a betri le likoloi tsa motlakase. Ha theknoloji e ntse e tsoela pele ho hatela pele, ho utloisisa le ho kenya tšebetsong li-DC miniature circuit breaker ho tla ba bohlokoa haholo ho netefatsa polokeho le ts'epo ea litsamaiso tsa motlakase lefatšeng le ntseng le eketseha ka motlakase.
Nako ea poso: Mphalane-15-2025