Umjikelezo wesembozo wecala elibunjiwe

Le khasiI-Consed Case Breaker Breaker (MCCB)Itshe legumbi lokuphepha kukagesi kwanamuhla, ukuqinisekisa ukuthi amasekhethi kagesi avikelwa ngokuzenzakalelayo ezimeni eziyingozi njengokugcwele, amasekethe amafushane, namaphutha aphansi. Kufakwe epulasitiki ebunjiwe eqinile, ama-MCCB enzelwe ukusebenza ngokuthembekile ngisho nasezindaweni eziyinselele lapho ukufakwa khona nokuvikelwa othulini, umswakama, nezinye izingozi zibalulekile. Idizayini yabo ehlanganisiwe, ehambisana nesithasiselo esiphakeme kakhulu, ibenza baguquguquke kakhulu futhi babaluleke kakhulu ezinhlobonhlobo zezicelo, emishini yezimboni ekusatshalalisweni kwamandla okuhweba, kanye nezinhlelo zikagesi zokuhlala.

Lo mbhalo uhlola izici ezibalulekile, izindlela, kanye nokusetshenziswa kweIMCCS, ukugqamisa indima yabo ebalulekile ekuphepheni kukagesi nokwethembeka.

Yini eyephula umjikelezo wesifunda?

Le khasiI-Consed Case Breaker Breaker (MCCB)Uhlobo lwedivayisi yokuvikela kagesi ephazamisa ukuhamba kwamanje ngesikhathi semisebenzi yokusebenza engajwayelekile. Kufakwe egobolondo lepulasitiki elibunjiwe elivikela, ama-MCCB azakhiwe ngamabomu ukuvikela izingxenye zangaphakathi ezivela ezicini zezemvelo ezifana nothuli kanye nomswakama ngenkathi enikeza ukufakwa kukagesi.

Ama-MCCB enzelwe:

• Phazamisa amanje kagesiuma kwenzeka umthwalo ogcwele ngokweqile, umjikelezo omfushane, noma iphutha lomhlaba.
• Sebenzisa ngesandlaukuhlukanisa amasekethe ngezinjongo zokulungiswa noma zokuphepha.
• Phatha amasondo amakhulu, ukuzenza zilungele izinhlelo zezimboni nezentengiso.

-AboIsikhundla esiphakeme esiphakemeIbavumela ukuthi baphazamise ngokuphephile imisinga yamaphutha aphezulu, banciphise ubungozi bomonakalo emishini kagesi kanye nokuvimbela imililo. I-MCCBS iza ngobukhulu obuhlukahlukene kanye nezilinganiso, ukuhlinzeka ukuguquguquka okusetshenziselwa ukusetshenziselwa ezinsukwini eziningi zikagesi.

Indlela yokusebenza ye-MCCBS

Ama-MCCBS asebenzisa izindlela ezimbili zokuqala ukuthola nokuphendula izimo zamanje ezingejwayelekile:Ukuvikelwa okushisayona-Ukuvikelwa kazibuthe. Lezi zinqubo ziqinisekisa ukuthi i-MCCB ingaphendula ngempumelelo ezinhlotsheni ezahlukahlukene zamaphutha, noma ngabe zenzeka kancane kancane (ngokweqile) noma ngokushesha (umjikelezo ofushane).

1. Umshini wokuhamba we-thermal

Le khasiinto eshisayoKwi-MCCB yi-bimetallic strip ephendula ukushisa okukhiqizwe ngokweqile esikhathini esinqunyelwe. Njengoba ukugeleza kwamanje nge-breaker kukhuphuka ngaphezu kwenani elikalwe, izifudumalo ze-strip zivutha futhi zigoba. Lapho umucu ugobe iphuzu elithile, kubangela indlela yohambo, usika amandla okunikezwa amandla.

Lokhu kuphendula okushisayo kwenzelwe ngokukhethekile ukuvikela ngokumeleneizimo ezilayishwe ngokweqile, lapho okwamanje kudlula inani elilinganiselwe kepha kungadala ukulimala masinyane. Indlela yohambo eshisayo ivumela impendulo ebambezelekile, iqinisekisa ukuthi umzuzwana ugobhoza okwamanje (njengasesikhathini sokuqalisa kwama-motors) akubangeli ukuphazamiseka okungadingekile. Uma i-Overload Goapload Phepha, i-MCCB izohamba futhi ivikele ngokweqile izintambo noma imishini exhunyiwe.

2. Umshini we-magnetic Trip

Le khasiInto kaMagneticye-MCCB ihlinzeka ngokuvikelwa ngaso leso sikhathi ekulweni nemibuthano emifushane. Ngesikhathi somjikelezo esifushane, ukuqina okukhulu kokugeleza kwamanje kuphahla. Lokhu kuvuselela kwakha amandla kazibuthe aqinile ngokwanele ukuhambisa i-breaker cishe ngokushesha, ukuphazamisa okwamanje ngaphambi kokuthi kubangele ukulimala okukhulu.

Indlela yohambo kazibuthe ibalulekile ekuvikeleni ngokumeleneImibuthano emifushane, okwenzeka lapho kunendlela eqondile engahlosiwe kagesi, idlula umthwalo. Imibuthano emifushane iyingozi ngoba ingadala ukulimala okukhulu kwemishini futhi inikeze izingozi zomlilo. Impendulo esheshayo yendlela ka-McCB's Magnetic Trap Mechanism ivimbela okwamanje kusuka ekufinyeleleni amazinga ayingozi, ukuvikela ngempumelelo uhlelo kagesi.

3. Izilungiselelo zohambo eziguqukayo

Ama-MCCB amaningi ahlomele ngeIzilungiselelo zohambo eziguqukayo, ukuvumela abasebenzisi ukuthi basebenzise ngokwezifiso ukusebenza kwe-Breaker ukufeza izidingo ezithile zohlelo lwabo. Lokhu kulungiswa kunikeza ukuguquguquka okuthe xaxa ngokuya ngezinqolobane zohambo ezishisayo nokwezibuthe.

Isibonelo, kuzinhlelo zokusebenza lapho kusetshenziswa khona ama-motors, ukuqala kwamanje kungahle kuphakeme kakhulu kunesilinganiso esijwayelekile sokusebenza. Ngokushintsha izilungiselelo zohambo lwe-Thermal, opharetha kungavimbela ukugqamiswa okungadingekile ngenkathi kusalokhu kuqinisekisa ukuthi uhlelo luvikelwe ngesikhathi sokulayisha ngokweqile. Ngokufanayo, ukulungisa izilungiselelo zohambo lwama-magnetic kuvumela ukubaphula amasekethe ngokuphelele kumasekethe amafushane anamandla ahlukahlukene.

4. Ukusebenza kwesandla nokuzenzakalelayo

Ama-MCCB enzelwe bobabiliumsebenzi wezandlana-Ukusebenza okuzenzakalelayo. Ezimweni ezijwayelekile, i-breaker ingasebenza ngesandlaShintsha amasekethe noma avaliwe, Kwenze kube lula ukwenza ukulungiswa noma ukuvivinya amasistimu kagesi ngokuphepha.

Uma kwenzeka kunephutha likagesi, i-MCCB izohamba ngokuzenzakalelayo, inqume amandla ukuvikela uhlelo. Le nhlanganisela yokusebenza kwe-Manual ne-othomathikhi ithuthukisa ukuguquguquka okusebenzayo, okuvumela ukulungiswa okuhleliwe nokuvikelwa kwamaphutha okungahleliwe.

5. Uhla olubanzi lwezilinganiso zamanje

Ama-MCCB ayatholakala kuuhla olubanzi lwezilinganiso zamanje, kusuka phansi njengezimpi eziphansi (a) kuya ku-2 500 a noma ngaphezulu. Lokhu okuhlukahluka kubenza balungele izinhlelo zokusebenza kwizimboni ezahlukahlukene nasezindaweni ezahlukahlukene, ezivela ezakhiweni zokuhlala ezinhlakeni ezinkulu zezimboni.

Amandla okukhetha i-MCCB ngesilinganiso esifanele samanje aqinisekisa ukuthi i-Breaker ihlinzeka ngokuvikelwa okuthembekile ngaphandle kokukhipha ngokungafanele ngesikhathi sokusebenza okujwayelekile. Ngaphezu kwalokho, ama-MCCB angalinganiswa ngama-voltage ahlukene, kufaka phakathi ama-voltage Voltage (LV) kanye nezinhlelo eziphakathi nendawo (i-MV), ethuthukisa ukuguquguquka kwawo okuqhubekayo.

Izicelo zeMCCBS

Ngenxa yokuvumelana nezimo zabo kanye nokusebenza okuphezulu, ama-MCCB asetshenziswa kulo lonke elaseIzimboni Nezindawo. Izicelo ezivame kakhulu zifaka:

1. Izinhlelo Zezimboni

Ezimweni zezimboni, ama-MCCBS abucayi ngokuvikela imishini esindayo, abaguquli, nezinhlelo ezinkulu zikagesi ezivela emaphutheni angaholela ekulimaleni kwemishini, noma imililo. Ama-MCCBS anezilinganiso eziphakeme zamanje kanye namakhono aphazamisayo aphezulu abaluleke kakhulu ezimbonini ezinjengokukhiqiza, izimayini, uwoyela kanye negesi, lapho kukhiqizwa amakhono kagesi, lapho kunemisinga ephakeme yephutha.

2. Izakhiwo Zentengiso

Ezakhiweni zentengiso ezinjengezitolo ezinkulu, izakhiwo zasehhovisi, kanye nezibhedlela, iMcCBS idlala indima ebalulekile ekuqinisekiseni ukusatshalaliswa kwamandla kagesi aphephile. Lezi ziqhekezi zivikela amasistimu we-HVAC, ukukhanyisa, ama-liftetors, nezinye izinhlelo zokwakha ezibalulekile ekugcwalisweni ngokweqile kanye nemibuthano emifushane, kusiza ukugcina ukusebenza okuqhubekayo futhi kunciphise ubungozi kubahlali.

3. Ukusetshenziswa kwendawo yokuhlala

Yize izinhlelo zikagesi zokuhlala zivame ukusebenzisa amadivaysi amancane okuvikela afana nabaqhekezi bemibukela e-miniature (MCCBS), kwesinye isikhathi ama-MCCBS asetshenziswa ezinhlelweni ezinkulu zokuhlala noma ukuvikelwa kwamaphutha akhona, ezifana nasezindlini ezinkulu zikagesi (isib. Ugesi iziteshi zokushaja kwezimoto). I-MCCBS ihlinzeka ngokuqiniseka okungeziwe kokuvikelwa kusuka kumaphutha amakhulu kagesi kulezi zimo.

4. Izinhlelo zamandla avuselelekayo

Njengezinhlelo zamandla avuselelekayo ezifana nokufakwa kwamandla elanga kanye nomoya ziba zivame kakhulu, ama-MCCB aya ngokuya esetshenziselwa ukuvikela ama-inverters, ama-transformers, kanye namanethiwekhi okusabalalisa kulezi zinhlelo. Amandla okulungisa izilungiselelo zohambo ivumela ama-MCCB ukuthi ahlangane nemithwalo kagesi ehlukahlukene nemibandela ejwayelekile yemithombo yamandla evuselelekayo.

5. Ukusetshenziswa kanye nengqalasizinda

I-MCCBS iphinde yathunyelwa ezinhlelweni zikagesi ezisetshenziswayo, kufaka phakathi amanethiwekhi okusatshalaliswa kwamandla, izinto, kanye nengqalasizinda ebucayi efana nezinhlelo zokuhamba nezikhungo zedatha. Lapha, baqinisekisa ukusebenza okuqhubekayo kwezinsizakalo ezibalulekile ngokuvikela emaphutheni kagesi angaholela ekuphelisweni noma ekulimaleni okubanzi.

Izinzuzo zabakwaBeliza Ababumba Ababunjiwe

I-MCCBS inikeza izinzuzo eziningi ezibenza babe yikhethelo elikhethwayo lokuvikelwa kagesi kuzicelo ezahlukahlukene:

1. Ububanzi

Ama-MCCBs ahlukahlukene kakhulu ngenxa yokwahlukana kwawo okuhlukahlukene kwezilinganiso zamanje nezamandla zohambo, izilungiselelo zohambo eziguqukayo, kanye nekhono lokuphatha zombili izinkomba eziphansi neziphakeme. Lokhu kuguqulwa kukwenza kube lula ukusetshenziswa ezindaweni ezahlukahlukene, kusuka ezakhiweni zokuhlala ezitshalweni ezinkulu zezimboni.

2. Ukuthembeka okuphezulu

Izindlela zokwakha eziqinile nezinhlaka ezithembekile zohambo zama-MCCBS ziqinisekisa ukuthi zinikeza ukuvikela okungaguquki ngokuhamba kwesikhathi. Amandla abo aphezulu aphezulu asho ukuthi ngisho nasemcimbini wamaphutha abuhlungu, ama-MCCB azoyikhipha ngokuphephile umjikelezo ngaphandle kokwehluleka.

3. Ukuphepha

Ngokuvimbela ukugcwala ngokweqile, imibuthano emifushane, kanye namaphutha aphansi, ama-MCCBs adlala indima ebalulekile ekuvikeleni imishini kagesi kanye nabasebenzi abavela ezimeni eziyingozi. Icala elibunjiwe linikeza ukufakwa kanye nokuvikelwa kwezemvelo, ngenkathi indlela ezenzakalelayo yohambo iqinisekisa ukuthi amaphutha abhekiswe ngokushesha.

4. Ukulungiswa okulula

I-MCCBS ingasebenza kalula ngesandla ngezinjongo zokulungisa, ivumela amasekethe ama-cirli ukuthi ahlukaniswe ngokuphepha ngaphandle kokufuna ukuvalwa okuphelele kohlelo. Lokhu kwenza kube lula ukwenza ukuhlolwa, ukulungiswa, noma ukuthuthuka ngaphandle kokuphazamisa ezinye izingxenye zenethiwekhi kagesi.

5. Idizayini yokusindisa isikhala

I-compact design ye-MCCBS ibavumela ukuthi basetshenziswe ezikhaleni eziqinile, njengamaphaneli kagesi nama-sptchboards, ngaphandle kokudela ukusebenza. Amandla abo okuphatha amasondo amakhulu ngesici esincane sefomu elibaluleke kakhulu kuzinhlelo zokusebenza lapho isikhala sinqunyelwe khona.

Ukugcina

Le khasi Umjikelezo wesembozo wecala elibunjiwe(MCCB)Ingxenye ebalulekile ezinhlelweni zokusabalalisa ngogesi, enikeza isixazululo esiguquguqukayo, esithembekile, nesisebenzayo sokuvikela amasekethe kusuka ekugcwalisweni ngokweqile, iziqebele ezimfushane, kanye namaphutha aphansi. Ngokuphamba kwayo okubunjiwe okubunjiwe, amandla aphazamisa kakhulu, kanye nezilungiselelo zohambo eziguqukayo, i-MCCB ilungele izicelo eziningi ezahlukahlukene kuwo wonke ama-Industrial, Ezentengiso, Zokuhlala, Nezindawo Zokuvuselela Amandla.

Noma ngabe usetshenziselwa ukuvikela imishini enzima yezimboni, gcina imisebenzi ephephile ezakhiweni zentengiso, noma uqinisekise ukugeleza okuqhubekayo kwamandla avuselelekayo, ama-MCCBS ahlinzeka ngokuphepha nokwethembeka okudingekayo ezinhlelweni zesimanje zikagesi. Inhlanganisela yabo yezinqubo zohambo ezishisayo nezinkanjethi ziqinisekisa ukuthi amaphutha atholakala ngokushesha futhi abhekiswe, anciphise ubungozi kwimishini nakwabasebenzi ngokufanayo.

Ngamafuphi, i-MCCB ayigcini ngokuvikela ukufakwa kukagesi kuphela kepha futhi iqinisekisa ukusebenza okuqhubekayo nokuphephile kwamanethiwekhi okusatshalaliswa kwamandla, okwenza kube yithuluzi elibalulekile emhlabeni wanamuhla wobunjiniyela bamanzi.