Li-circuit breakers li entsoe ka litekanyetso tse fapaneng tsa hajoale, ho tloha ho lisebelisoa tse sireletsang li-circuits tsa mehleng e tlase kapa lisebelisoa tsa ntlo ka bomong, ho ea ho li-switchgear tse etselitsoeng ho sireletsa lipotoloho tse matla haholo tse fepang toropo kaofela.
Liperee etsa Miniature circuit breaker (MCB) - e lekantsoe hona joale ho fihlela ho 63 A, e atisang ho sebelisoa maboneng a bolulo, a khoebo, a indasteri.
Hangata li-MCB ha li senyehe nakong ea ho feta hona joale, kahoo li ka sebelisoa hape. Li boetse li bonolo haholo ho li sebelisa, li fana ka boiketlo ba 'on/off switching' bakeng sa ho itšehla thajana ha potoloho 'me kaha mokhanni o kenngoa ka har'a casing ea polasetiki, li bolokehile ho feta ho li sebelisa le ho sebetsa.
MCB e na lelitšobotsi tse tharo tsa motheo, Ampere, Kilo Ampere le Tripping Curve
Kelo ea Hona Joale e Tlatsehang - Amperes (A)
Ho tlala haholo ho etsahala ha lisebelisoa tse ngata haholo li kentsoe potolohong e le 'ngoe 'me li hula motlakase o mongata ho feta oa potoloho le thapo e etselitsoeng ho nka. Sena se ka etsahala ka kichineng, mohlala ha ketlele, mochini o hlatsoang lijana, hob ea motlakase, microwave le blender kaofela li sebelisoa ka nako e le 'ngoe. The MCB ka potoloho ena fokotsa matla ka tsela eo ho thibela overheating le mollo ka thapo le diteminale.
Maemo a mang:
6 Am- lipotoloho tse tloaelehileng tsa mabone
10 Amp- lipotoloho tse kholo tsa mabone
16 Amp le 20 Amp- Li-heaters tsa qoeliso le li-boilers
32 Amp- Ring Final. Lentsoe la tekheniki bakeng sa potoloho ea hau ea matla kapa li-sockets. Ka mohlala, ntlo ea likamore tse peli e ka ba le li-circuits tsa motlakase tse 2 x 32A ho arola li-sockets tse ka holimo le tse ka tlaase. Matlo a maholo a ka ba le palo efe kapa efe ea lipotoloho tse 32 A.
40 Amp- Liapehi / li-hobs tsa motlakase / lishaoara tse nyane
50 Amp- 10kw Lishaoara tsa motlakase / Li-tubs tse chesang.
63 Am- ntlo kaofela
Liper Breakers li koahela mefuta e fapaneng ea 1A ho isa ho 63A
Nako e Khutšoanyane ea Potoloho - Kilo Amperes (kA)
Short Circuit ke phello ea phoso kae-kae potolohong ea motlakase kapa sesebelisoa 'me e ka ba kotsi ho feta ho jara.
Li-MCB tse sebelisoang homehaho ea malapenghangata li baloa ho6kAkapa 6000 amps. Kamano pakeng tsa motlakase o tloaelehileng (240V) le litekanyetso tse tloaelehileng tsa matla a lisebelisoa tsa malapeng li bolela hore ho feta hona joale ho bakoang ke potoloho e khutšoanyane ha hoa lokela ho feta 6000 amps. Leha ho le joalo, kamaemo a khoebo le indasteri, ha u sebelisa 415V le mechine e meholo, ho hlokahala hore u sebelise10kArated MCBs.
Tripping Curve
'Tripping Curve' ea MCB e lumella lefatše la 'nete, 'me ka linako tse ling ho hlokahala, ho phahama ka matla. Mohlala, tikolohong ea khoebo ea matlo a baeti, mechini e meholo hangata e hloka hore ho be le matla a pele a matla a fetang a tloaelehileng a hona joale ho hlola inertia ea li-motor tse kholo. Ho phahama hona ha nakoana ho nka metsotsoana feela, ho lumelloa ke MCB kaha ho bolokehile ka nako e khuts'oane haholo.
Ho na lemefuta e meraro ea motheo ea Curvee lumellang hore ho be le maqhubu libakeng tse fapaneng tsa motlakase:
Mofuta oa B MCBsli sebelisoa katšireletso ea potoloho ea malapengmoo ho hlokang tumello e nyane ya tumello ya ho buwa. Keketseho efe kapa efe e kholo tikolohong ea lehae e kanna ea ba sephetho sa phoso, ka hona palo ea ho feta hona joale e lumelletsoeng e batla e fokola.
Mofuta oa C MCBsmaeto a pakeng tsa 5 le 10 linako tse tletseng mojaro hona joale le sebelisoa kalibaka tsa khoebo le tse bobebe tsa indasterie ka bang le lipotoloho tse kholo tsa mabone a fluorescent, li-transformer le lisebelisoa tsa IT tse kang li-server, li-PC le li-printer.
Mofuta oa D MCBsli sebelisoa kalisebelisoa tse boima tsa indasterijoalo ka lifeme tse sebelisang lienjene tse kholo tsa matsoeli, mochini oa X-ray kapa li-compressor.
Mefuta eohle e meraro ea li-MCB e fana ka ts'ireletso ea ho khoptjoa nakong ea karolo e le 'ngoe ea leshome ea motsotsoana. Ka mantsoe a mang, hang ha boima le nako li fetile, MCB e tsamaea ka metsotsoana e 0.1.
Ka hona, Liper e lula e fihlela litlhoko tsohle tsa hau.
Nako ea poso: Dec-04-2024
