KutloisisoLi-RCCB le Li-MCBLikarolo tsa Bohlokoa tsa Polokeho ea Motlakase
Lefatšeng la ho kenya motlakase, polokeho ke ea bohlokoa haholo. Lisebelisoa tse peli tsa bohlokoa tse bapalang karolo ea bohlokoa ho netefatseng polokeho ea motlakase ke li-residual current circuit breaker (RCCBs) le li-miniature circuit breaker (MCBs). Leha ka bobeli li sebelisetsoa ho sireletsa lipotoloho tsa motlakase, li sebetsa ka tsela e fapaneng 'me li etselitsoe merero e fapaneng. Sengoloa sena se sheba ka botebo mesebetsi, liphapang, le ts'ebeliso ea li-RCCB le li-MCB, se totobatsa bohlokoa ba tsona litsamaisong tsa motlakase tsa sejoale-joale.
RCCB ke eng?
RCCB (Residual Current Circuit Breaker) ke sesebelisoa sa polokeho se lemohang ho se leka-lekane ha motlakase. Se etselitsoe ho thibela ho thothomela ha motlakase le ho fokotsa kotsi ea mollo oa motlakase o bakoang ke liphoso tsa mobu. RCCB e lula e beha leihlo motlakase o phallang ka har'a lithapo tse chesang le tse sa nke lehlakore tsa potoloho. Haeba e lemoha phapang ho motlakase (e leng se bontšang hore motlakase o mong o lutla fatše), e khoptjoa le ho bula potoloho ka har'a li-millisecond. Karabelo ena e potlakileng ea bohlokoa ho sireletsa batho ho thothomela ha motlakase le ho thibela likotsi tse ka bang teng.
Hangata li-RCCB li lekantsoe ka li-milliamperes (mA) 'me li fumaneha ka maemo a fapaneng a kutloelo-bohloko, joalo ka 30mA bakeng sa tšireletso ea motho ka mong le 100mA kapa 300mA bakeng sa tšireletso ea mollo. Li sebelisoa hangata libakeng tsa bolulo, tsa khoebo le tsa indasteri, haholo-holo moo ho nang le metsi, joalo ka matloana a ho hlapela le likhichine.
MCB ke eng?
Ka lehlakoreng le leng, di-MCB (di-miniature circuit breaker), di etseditswe ho sireletsa di-circuit ho di-overload le di-short circuit. Ho fapana le di-RCCB, tse shebaneng le ho lemoha diphoso tsa mobu, di-MCB di beha leihlo motlakase o phallang ka hara potoloho. Haeba motlakase o feta bokgoni bo lekantsweng ba MCB, o tla kgopa le ho kgaola potoloho ho thibela ho chesa haholo le dikotsi tse ka bang teng tsa mollo.
Li-MCB li lekantsoe ka li-ampere (A) 'me li tla ka mefuta e fapaneng, ho kenyeletsoa Mofuta oa B, Mofuta oa C, le Mofuta oa D, tse etselitsoeng ho khopama maemong a fapaneng a hona joale. Mofuta oa B o loketse lits'ebetso tsa bolulo, ha Mofuta oa C le Mofuta oa D li sebelisoa libakeng tsa khoebo le tsa indasteri moo ho lebelletsoeng maqhubu a mangata a ho kena ha metsi.
Phapang e kholo pakeng tsa RCCB le MCB
Leha li-RCCB le li-MCB ka bobeli li le bohlokoa bakeng sa polokeho ea motlakase, li na le mesebetsi e fapaneng:
1. Mosebetsi: RCCB e sebelisetsoa ho sireletsa khahlanong le phoso ea lefats'e le ho sisinyeha ha motlakase ha MCB e sebelisetsoa ho sireletsa khahlanong le ho imeloa haholo le potoloho e khuts'oane.
2. Mokhoa oa ho Fumana: RCCB e lemoha ho se leka-lekane pakeng tsa maqhubu a phelang le a sa nke lehlakore ha MCB e ntse e hlokomela motlakase oohle o phallang potolohong.
3.Ts'ebeliso: RCCB e bohlokoa libakeng tseo kotsi ea ho tšoha ha motlakase e leng holimo, athe MCB e sebelisetsoa ho sireletsa lipotoloho khahlanong le motlakase o feteletseng.
4. Ho ba le kutloelo-bohloko: Li-RCCB li na le kutloelo-bohloko ho ho dutla ha motlakase o monyenyane, athe li-MCB li etselitsoe ho sebetsana le maemo a holimo a motlakase pele li khoptjoa.
Bohlokoa ba ho sebelisa RCCB le MCB
Bakeng sa polokeho e ntle ea motlakase, ho khothaletsoa ho sebelisa RCCB le MCB. Motsoako ona o fana ka tšireletso e felletseng ea phoso ea lefats'e le ho feteletsa lintho. Tlhophisong e tloaelehileng ea motlakase, RCCB e ka beoa boto e kholo ea switchboard ho sireletsa lipotoloho tsohle, ha MCB e arohaneng e ka sebelisoa bakeng sa potoloho ka 'ngoe ho sireletsa khahlanong le ho feteletsa lintho.
Ka bokhutšoanyane, ho utloisisa karolo ea RCCB le MCB ho bohlokoa ho mang kapa mang ea amehang ho kenngoeng kapa tlhokomelong ea motlakase. Ka ho kenyelletsa lisebelisoa tsena ka bobeli litsamaisong tsa motlakase, re ka ntlafatsa polokeho haholo, ra sireletsa maphelo le ho thibela tšenyo ea thepa. Ha theknoloji e ntse e tsoela pele, bohlokoa ba lisebelisoa tsena bo tla tsoela pele ho hola, bo li etse karolo ea bohlokoa ea polokeho ea motlakase ea sejoale-joale.
Nako ea poso: Pherekhong-08-2025