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Ke Eng Earth Leakage Circuit Breaker (ELCB) & Ho sebetsa ha eona

Dec-13-2023
Sehlahisoa sa motlakase

JCB3LM-80 4P1

Li-circuit tsa pele tsa ho lutla ha lefatše ke lisebelisoa tse lemohang motlakase, tse seng li fetotsoe ke lisebelisoa tsa hajoale tsa ho utloa (RCD/RCCB).Ka kakaretso, lisebelisoa tsa hona joale tsa ho utloa li bitsoa RCCB, le lisebelisoa tse lemohang motlakase tse bitsoang Earth Leakage Circuit Breaker (ELCB).Lilemong tse mashome a mane tse fetileng, li-ECLB tsa pele tsa hona joale li ile tsa hlahisoa 'me lilemong tse ka bang mashome a tšeletseng tse fetileng motlakase oa pele oa ECLB o ile oa hlahisoa.Ka lilemo tse 'maloa, motlakase le li-ELCB tse sebelisoang hajoale li ne li bitsoa ELCBs ka lebaka la mabitso a tsona a bonolo a ho hopola.Empa ts'ebeliso ea lisebelisoa tsena tse peli e ile ea fana ka kholo ho motsoako oa bohlokoa indastering ea motlakase.

 

Earth Leakage Circuit Breaker (ELCB) ke eng?

ECLB ke mofuta o mong oa sesebelisoa sa polokeho se sebelisetsoang ho kenya sesebelisoa sa motlakase se nang le tšitiso e phahameng ea lefats'e ho qoba ho tšoha.Lisebelisoa tsena li tsebahatsa li-voltage tse nyane tse khelohang tsa sesebelisoa sa motlakase litsing tse koaletsoeng ka tšepe ebe li kenella potolohong haeba motlakase o kotsi o tsejoa.Morero oa mantlha oa Earth leakage circuit breaker (ECLB) ke ho emisa ts'enyehelo ho batho le liphoofolo ka lebaka la ts'isinyeho ea motlakase.

ELCB ke mofuta o ikhethileng oa li-relay tse nang le motlakase o kenang oa sebopeho o amanang le likhokahano tsa eona tse feto-fetohang e le hore sekhechana sa potoloho se koale motlakase maemong a sa sireletsehang.ELCB e hlokomela maqhubu a phoso a motho kapa phoofolo ho ea lefats'eng la terata ha e ntse e lebela.Haeba motlakase o lekaneng o bonahala o le ka har'a coil ea kutlo ea ELCB, e tla tima motlakase, 'me e lule e tima ho fihlela e itlhophisa bocha.ELCB e lemohang motlakase ha e bone maqhubu a phoso ho tloha ho motho kapa phoofolo ho ea lefatšeng.

ELCB e hlokomela maqhubu a phoso a motho kapa phoofolo ho ea lefats'eng la terata ha e ntse e lebela.Haeba motlakase o lekaneng o bonahala o le ka har'a coil ea kutlo ea ELCB, e tla tima motlakase, 'me e lule e tima ho fihlela e itlhophisa bocha.ELCB e lemohang motlakase ha e bone maqhubu a phoso ho tloha ho motho kapa phoofolo ho ea lefatšeng.

ELCB e hlokomela maqhubu a phoso a motho kapa phoofolo ho ea lefats'eng la terata ha e ntse e lebela.Haeba motlakase o lekaneng o bonahala o le ka har'a coil ea kutlo ea ELCB, e tla tima motlakase, 'me e lule e tima ho fihlela e itlhophisa bocha.ELCB e lemohang motlakase ha e bone maqhubu a phoso ho tloha ho motho kapa phoofolo ho ea lefatšeng.

JCB3LM-80 3P右侧面

Mosebetsi oa ELCB

Mosebetsi o ka sehloohong oa "Earth-leakage circuit breaker" kapa ELCB ke ho thibela ho ts'oha ha motlakase o ntse o kenngoa ka lebaka la "Earth impedance" e phahameng hobane ke sesebelisoa sa tšireletso.Sekhechana sena sa potoloho se supa li-voltage tse nyane tse khelohang ka holim'a sesebelisoa sa motlakase se kentsoeng ka tšepe 'me se sitisa potoloho haeba motlakase o kotsi o tsejoa.Sepheo se seholo sa ELCBs ke ho qoba kotsi ho batho hammoho le liphoofolo ka lebaka la ts'oaetso ea motlakase.

Ts'ebetso ea ELCB
Motlakase oa potoloho ea motlakase ke mofuta o itseng oa latching relay 'me o na le phepelo ea mantlha ea meaho e hokahaneng ho pholletsa le likhokahano tsa eona tsa ho chencha e le hore sekhechana sena sa potoloho se tla khaola motlakase hang ha ho lutla ha lefatše ho tsejoa.Ka ho sebelisa sena, motlakase o ka bonoa ho tloha bophelong ho ea ho terata ea fatše ka mokhoa o loketseng o lebelang.Haeba motlakase o mongata o tsoa ka har'a coil ea sensor ea sekhechana sa potoloho, e tla koala motlakase 'me o lule o tima ho fihlela o ka beoa bocha.ELCB e sebelisetsoang ho lemoha motlakase ha e bone maqhubu a phoso.

Mokhoa oa ho Connect Earth Leakage Circuit Breaker

Potoloho ea lefats'e e fetoloa ha ho sebelisoa ELCB;khokahanyo ho molamu oa lefats'e e amoheloa ka "leakage circuit breaker" ka ho hokahanya liteishene tsa eona tse peli tsa lefats'e.E 'ngoe e ea ho mokhanni o sireletsang oa potoloho ea lefatše (CPC),' me e 'ngoe e ea ho molamu oa lefats'e kapa mofuta o mong oa khokahanyo ea lefats'e.Kahoo potoloho ea lefats'e e lumella ka coil ea kutlo ea ELCB.

Tlhaloso: JCB3LM-804P 右侧面

Melemo ea Voltage Operated ELCB

Li-ELCB ha li amehe haholo ka maemo a phoso 'me li na le maeto a fokolang a khathatso.
Le hoja motlakase le motlakase moleng oa fatše hangata li na le phoso e tsoang ho terata e phelang, sena ha se joalo kamehla, kahoo ho na le maemo ao ELCB e ka khopisang leeto.
Ha ho kengoa sesebelisoa sa motlakase ho na le likhokahano tse peli ho ea lefats'eng, tlhaselo ea lehalima e haufi le hona joale e tla theola sekhahla sa motlakase lefatšeng, e fane ka coil ea kutlo ea ELCB e nang le motlakase o lekaneng ho e isa leetong.
Haeba e 'ngoe ea lithapo tsa mobu e ka tlosoa ho ELCB, ha e sa tla hlola e kenngoa hangata e ke ke ea hlola e etsoa ka nepo.
Li-ELCB tsena ke tlhokahalo ea khokahanyo ea bobeli le monyetla oa hore khokahano efe kapa efe e eketsehileng fatše holim'a sisteme e sokeloang e ka tima detector.

 

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