Izinqumbu Zokuhlinzekwa Phakathi Kwama-MCCB Ne-MCB Kwezinkulungwane Zokuhlinzekwa?

Imithambo Yekhurenti Nokugcina Umkhawulo: Yini Okuhlinzeka i-MCCB

Ukuqhatheka Kwemithambo Yekhurenti Nokubhekana Kwesilinganiso: MCB = 0.5 – 125A | MCCB = 10 – 2500A

Amcibheli wekhurkhuli emincane (MCB) ayabakwa ukusebenza kwezikhundla zokusebenza okuncane, ngokuvamile kumakhulu amashumi amabili namahlanu. Bayaphila kubhekisa izikhundla zokusebenza kwizindlu nezibhizinisi ezincane, kanye nezikhundla zokusebenza kwekhurkhuli, kwezilayithi, kwezihlathi, kanye nezikhundla zokusebenza kwezinkampani zokuphatha izinkampani. Amcibheli wekhurkhuli ephakathi (MCCB) kanti, ayasebenza kwezikhundla zokusebenza ezingaphezulu kakhulu. Bayasebenza kumakhulu amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amashumi amash......

Ukugcina I-Gap Yokubhala Isibonelo Sokubhala: Kungani i-MCCBs zihambisana nezinkampani zokubhala eziningi (15-150 kA vs 6-10 kA)

Ukubhekwa kwezimali kuyisiphumo sokuthi ukuthi umkhawuli wokubhekwa kungabhekwa ngokuphelele yamandla angakwazi ukuzithola kabusha, futhi lokhu kuyisibonelo sokuthi ziyiziphi izinhlobo ezahlukene. Amakhawuli okubhekwa eminye (MCBs) anemathuba yokubhekwa kwe-6 ku-10 kiloamperes, okufanele kumsebenzi wasekhaya ngoba isistimu yamandla esikhaya asingabi nempilo engeyinkulu. Kepha, lokhu kubhekwa kubangelwa ngokuphelele ekusebenzeni kwemithombo. Amasithili ebandla amaninzi anamathuba amaningi amakhawuli okubhekwa amaninzi nezinhlobo zezihlukanisi zomandla omkhulu okuhlanganisa amandla amaningi okubhekwa. Amakhawuli okubhekwa emoto (MCCB) anemathuba yokubhekwa kwe-15 ku-150 kA. Lokhu okubonakalayo lapha kuyinto okubhekwa ngokuphelele phakathi kokubhekwa: kubhekwa kwe-50 kA kusithili sokubhekwa emoto, amakhawuli okubhekwa eminye ayakwakha ngokuphelele, ngakho-ke amakhawuli okubhekwa emithombo eyodwa ngokuphelele ayakwakha nokubhekwa ngokuphelele ngaphandle kwezinkinga. Le ndlela yokwakha iyisibonelo sokuthi iyisibonelo sokuthi iyakwakha ngokuphelele ukukhula kwezihlukanisi, ukuchaza ubunzima bezinhlobo zezihlukanisi, nokuchaza ukusebenza kwezihlukanisi ngokuphelele. Kumasithili ebandla, lokhu akuyiyo kuphela ukuthi kuyakwenzeka; kuyisibonelo sokuthi kuyakwenzeka ngokuphelele.

Ukuhlelwa Kwe-MCCB: Kufixed noma Kukhululekile

Izinhlotyenhlo zokusebenza kwe-MCB nezinhlotyenhlo zokuhlela kwesikhathi sezinyathelo zokuphatha kwe-MCCB ziyafana; okukuthi, ukuba kuneqiniso phakathi kwekugcina kwezinyathelo zokuphatha nekuvikela amapharti wezinhlotyenhlo ukuze kusivikele isikhathi sokusebenza ngokuphelele. I-MCB zihlelwe ukuze zibe nenqiniso yekhanda elinye, elihlelwe ngendawo yokuphatha, elifixed, nokuthi kunezinyathelo zokuphatha ezithembekile ngokwesibonelo, okuyisifundo esihle kakhulu kubizo lokusebenza lwesikhathi esingaphansi kwezinhlotyenhlo. Ngaphandle kwalokho, i-MCCB zinokuhlela ngokuphelele izinyathelo zokuphatha zezikhathi ezide, zezikhathi eziphansi, nezinyathelo zokuphatha ngokushesha ukuze zinokuvikela izinhlotyenhlo zokusebenza zokuhlela ngokuphelele kwezinhlotyenhlo zokusebenza zezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuphatha kwezindawo zokuph......

Ukuhlelwa Kwe-MCB Kwezinyathelo Zokuphatha Ngokwesibonelo (Izithi zika-B/C/D) Ukukhulula Ukuphatha Kwamandla Angaphansi

Amcimbi wekhasi wezinye zokuvalelwa kwezinye zinamaphuzu okuvalelwa kwezinye ezithiwa ngazo ngokuthi yi-B, yi-C, neyi-D. Umcimbi wokuvalelwa kwezinye wokuthiwa ngokuthi yi-B uvalela lapho umkhondo uphikiswe kumathathu ku-kuhlanu kwekhanda lemkhondo, okuyisifundo esihle sokusebenzisa kwezinye zokuvalelwa kwezinye zokubeka izilumkiso. Umcimbi wokuvalelwa kwezinye wokuthiwa ngokuthi yi-C uyisifundo esihle sokusebenzisa emaphondweni nasezinye zokuvalelwa kwezinye zokuphepha, ngoba iyakwazi ukuziphatha nokuvula kwemikhondo yezinye ezingaphezu kwe-10 kwekhanda lemkhondo. Umcimbi wokuvalelwa kwezinye wokuthiwa ngokuthi yi-D ubalulekile kumotolo ongena ngemikhondo enkulu ekusukweni, ngoba iyakwazi ukuziphatha nokuvula kwemikhondo yezinye ezingaphezu kwe-20 kwekhanda lemkhondo. Amapharamitha amathathu ayo amcimbi wekhasi wezinye zokuvalelwa kwezinye ayinika ukuvalelwa kwezinye okuhle nokunconywa kwezinye kwezinye zokusebenza ngezinye zokuvalelwa kwezinye zokusebenza ngemikhondo eyodwa futhi akukho konke okufanele kwenziwa ngokugcina izinye zokuvalelwa kwezinye zokuvalelwa.

Amcimbi wekhasi wezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvale......

Amcimbi wekhasi wezinye zokuvalelwa kwezinye zinamabandela amathathu okuvalelwa okwenzeka ngokwesibonelo:

Okudala: Ukuvula okwenzeka (80–120% yokuvula) nokuphakama kwesikhathi sokuvula kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zokuvalelwa kwezinye zok......

Isikhathi esinye: Ukubeka isikhathi sokuzimela (0.05–0.5 s) nokuthatha ukuthintana ngokuzimela kwezinkampani zezindawo ezizungezile

Ngokushesha: ukuthinta ukususa isikhathi sokugcina okungahleli, okungathintwa noma kubhekiswe kusukela kwezinkinga zokugcina kwezinkinga ezingaphezulu

Ngoba kukhona ukuguqula kakhulu, lezi zinhlelo zingakwakhiwa ngokuphelele ukufana nokusebenza kwezinto zokusebenza zokudla, njengokuthinta kwemithombo yezilwane noma iziphambano zokuvalelwa kwemithombo. Lokhu kusiza ekususeni kwezindlela zokuthinta ezizingafanele, kodwa kuyabeka ukuthinta ngokuzimela kanye. Uma kubonakala isimo esingenabizo, ukususa kwenza kuphela kwezindawo ezibalulekileyo ezizungezile. Kwezinhlelo ezintsha zama-MCCB, izihloko zokuthinta ezinamaphuzu amadigital nezindawo zokuxhumana ziyisisekelo. Lokhu kusiza abasebenzi ukuguqula iziphakamiso ngokushesha ukuze baphindele kwezinkinga zokusebenza ngamaphuzu akhethwe ngamaphuzu asebenzayo.

Isimo sokusebenzisa nokuthi yini isifundo esikhetwa kuma-MCCB ngaphezu kwezinye zama-MCB

Ukukhetha phakathi kwe-MCBs ne-MCCBs kuyisibonelo sesilinganiso sokugcina kwesistimu, ukubonwa kwezimo zokungafani, nokufuna ukulwandela. Ngemizamo yezimo ezingaphansi, emizamo yezimithandazo ezingaphansi, i-MCBs ziyasebenzisa kwezinhlobo zezindawo zokugcina, futhi i-MCCBs zingaba zingaphakade lapho isistimu sifuna ukusebenza kahle, ukuguqula, nokuphepha izimo zokungafani.

Izindlela Zokusebenzisa i-MCB: Izindawo Zokugcina Kwizindawo Zokusebenza Kwezindawo Zokusebenza Kwezindawo Zokusebenza Nezindawo Ezincane Zokusebenza

Ukuphepha kwe-MCB kwezindawo zokugcina kuyasebenza kwezindawo zokusebenza, amaphoyinti wokusebenza, nezindawo zokusebenza ezincane zokusebenza. Ziphatha izinhlobo zezindawo zokusebenza zokubeka izilumkiso nezinhlobo zezindawo zokusebenza zokubeka izilumkiso, izindawo zokusebenza zokubeka izilumkiso, nezinhlobo zezindawo zokusebenza zokubeka izilumkiso. Iziphumo zokugcina zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izilumkiso zokubeka izil......

Izindlela Zokusebenzisa i-MCCB: Izindawo Zokubeka Izilumkiso, Izindawo Zokubeka Izilumkiso Zokubeka Izilumkiso, Izindawo Zokubeka Izilumkiso Zokubeka Izilumkiso, Nezindawo Zokubeka Izilumkiso Zokubeka Izilumkiso

Am-MCCB ayizwa njengamaphakathi amkhulu wezindawo zokugcina umthelela wemvelo, apho abeka ubuhle bokugcina ku-:
- Umthwalo wokugcina wokuphakama, ngokujwayelekile ku-2500A
- Amasikhombiso e-transformer apho amandla amakhulu okuvula kuyadinga ukuguqula kwesikhathi esinye sokuzimisa
- Amasikhombiso okugcina amandla (MCCs) apho ukuguqula kwesikhathi esinye kusobala ukukhathazeka kokugcina okungafanele ngokuthola kwe-motor, futhi
- Amasikhombiso esihlangu sesikhathi, okufanele kubhekwe ngokujwayelekile ukuthi kubhekele amandla okugcina ku-150kA.

Ukugcina kwe-MCCB kwenziwe ukuze kubhekwe ngokujwayelekile izindawo eziningi (futhi kuzo zindawo zokuchitha nezindawo zokugcina) ngokusebenzisa isimo esikhulu sokubhekwa ngokujwayelekile, ukuze kubhekwe ubuhle bokugcina kwezinkambo zokugcina eziguqulayo ukuze kubhekwe ubuhle bokugcina kwezindawo zokuphatha nokugcina imininingwane.

Isimo Sesikhombiso, Ukubekwa, Nokugxilwa Kwesiqondiso: Amadvantages Ama-MCCB Kwezindawo Zokuphatha Ngokwesibonelo Esizayo

I-MCCB zihlanganisiwe ngemithombo yokuqondisa eyakhiwe kahle nezinto ezingavuthi kahle, futhi zinamandla amaningi kunez-MCB, emaphaneleni okuphatha amoto (MCC) neziswitshebho. Ukubhalwa kwazo ngemiphakathi kuyavumela ukubhalwa kwezindawo zokudesigna nokubhalwa kwezindawo zokukhula (kufuneka kubhalwe ngendlela yokugcina, yokufaka, noma yokususa) ukuze kuhlangane nezindawo zokubhalwa kweziswitshebho nezindlela zokuphatha.

Am-MCCB amasha amadala amanquma amakhulu kubonakalisa ukuthuthukiswa kwezinkimbinkimbi ngokupheleleyo kunamabili awo. Okwakunguqo, am-MCCB ayenabantu abanye, ubuciko. Am-MCCB amasha amanquma amakhulu akhona izinkimbinkimbi ezifana nezilinganiso zokugcina kwemitha, izilinganiso zokugcina kwezintambo, futhi zihlanganisa imodhuli yezikhundla zokuxhumana. Lezi modhuli zisiza am-MCCB ukuxhumana nokugcina idatha yezinsuku, ukufuna ukufinyelela kusuka emuva, futhi ukuthumela amazwi okuhlela kusuka esikhundleni esihlukile noma kusuka emuva. I-Ponemon Institute isesha ishika isirhelo sokuthi indawo yokuqala iyakwenzani ngokuthi iphinde ikhululekile. Isirhelo sisibonakalisa ukuthi izindleko zokusebenza zokuphinda kuzoba ngaphezu kwe-$740,000 ngamuhla. Ngamashika amanquma amakhulu kwalokho, am-MCCB amashilwa kufanele abonwe njengam-MCCB okubuciko kuphela, kodwa njengamindlela yokunciphisa izindleko ngokuvamile futhi ukwenza umsebenzi wokushilwa kwezinsuku ngokuvamile kwezindawo ezenziwe ngam-MCCB.

Imibuzo Evame Ukubuzwa

Kuyini umahluko phakathi kwe-MCCB ne-MCB?

Ukuchaphazeka kuyisisekelo esiphakeme kwezinhlobo zezindlela zokusebenza nezinhlobo zokugcina okuzokwenziwa ngazo. Am-MCCB ayathakelwa ukusebenza ngezindlela ezinkulu (10–2500A) nokugcina okuphakeme (15–150 kA) kunam-MCB. Ngalesi simo, am-MCCB ayathakelwa ukusebenza emizini yasezinsukwini, futhi am-MCB ayathakelwa ukusebenza ngezindlela eziphansi, emakhaya, noma emizini yasezinsukwini engeyona makhubu.

Kufanele uthathe i-MCCB nini endaweni yami-MCB?

Am-MCCB ayafunekwa kumizini yasezinsukwini lapho kunezidingo zokusebenza ngezindlela ezinkulu nezinhlobo zokugcina ngendlela eyinkulu, njengoko kunezidingo zokuhlanganisa nokulungisa izinhlobo zokugcina. Am-MCB ayafanele kusetyenziswa kwezindlela zokugqibela zemikhala yasekhaya noma kumizini yasezinsukwini engeyona makhubu.

Am-MCCB ayasebenzisa kuphi?

Am-MCCB ayasebenzisa kwezindlela zokudistribute kakhulu, kwezindlela zokugcina zomshini wokugcina, kwezindlela zokugcina amamotolo, kanye nemizini yasezinsukwini yasekhaya—lapho kunezidingo zokugcina okuphakeme, futhi kunezidingo zokulungisa izinhlobo zokugcina.

Kungani ukuthi ukuguqula kuyisidingo emiMCCB?

Lokhu kubhekise kuthi ukuguqula kwemiphakathi yemiphakathi yemMCCB kusho ukuthi umsebenzisi akhona amandla okufaka izimpendulo ezihlukene zokulondoloza ngokuhambisana nemithombo yezinto ezenziwa, ukugxilwa kwezinhlelo zokusebenza zemvelo, futhi akhona amandla okususa umbuzo wokungasebenza kwezinhlelo ngokwesibonelo sokuphuma kwemiphakathi.