Urupapuro rwumuzunguruko

UwitekaUrupapuro rwimyenda yamenetse (MCCB)ni ibuye rikomeza imfuruka z'umutekano w'amashanyarazi ugezweho, ukemeza ko imiyoboro y'amashanyarazi ihita irindwa ibintu biteye akaga nko kurenza urugero, imiyoboro migufi, n'amakosa y'ubutaka. MCCB igizwe na plastiki iramba, MCCBs yagenewe gukora neza ndetse no mubidukikije bigoye aho gukumira no gukingira umukungugu, ubushuhe, nibindi byago ari ngombwa. Igishushanyo mbonera cyabo, gifatanije nubushobozi buhanitse bwo guhagarika, bituma bahinduka cyane kandi ntangarugero mubikorwa bitandukanye, uhereye kumashini zinganda kugeza gukwirakwiza amashanyarazi mubucuruzi, ndetse na sisitemu y'amashanyarazi yo guturamo.

Iyi ngingo irasesengura ibintu byingenzi, uburyo, hamwe nuburyo bukoreshwaMCCBs, kwerekana uruhare rwabo mumutekano w'amashanyarazi no kwizerwa.

Ni ubuhe buryo bwo gucamo ibice?

UwitekaUrupapuro rwimyenda yamenetse (MCCB)ni ubwoko bwibikoresho byo gukingira amashanyarazi bihagarika urujya n'uruza rwimikorere idasanzwe. MCCBs yubatswe mu gishishwa cya pulasitiki ikingira, yubatswe neza kugira ngo irinde ibice by'imbere ibintu bidukikije nk'umukungugu n'ubushuhe ndetse binatanga amashanyarazi.

MCCBs zagenewe:

• Guhagarika amashanyarazimugihe habaye ibintu birenze urugero, umuzunguruko mugufi, cyangwa ikosa ryubutaka.
• Koresha intokigutandukanya imirongo yo kubungabunga cyangwa intego z'umutekano.
• Koresha imigezi minini, kubigira byiza kuri sisitemu yinganda nubucuruzi.

Ibyaboubushobozi bwo guhagarika byinshiibemerera guhagarika neza umutekano mwinshi, bigabanya ibyago byo kwangirika kubikoresho byamashanyarazi no gukumira umuriro. MCCBs iza mubunini no mubipimo bitandukanye, itanga uburyo bworoshye bwo gukoreshwa muburyo butandukanye bwa sisitemu y'amashanyarazi.

Imikorere ya MCCBs

MCCBs ikoresha uburyo bubiri bwibanze kugirango tumenye kandi dusubize ibihe bidasanzwe:kurinda ubushyuhenakurinda rukuruzi. Ubu buryo bwemeza ko MCCB ishobora gusubiza neza ubwoko butandukanye bwamakosa, bwaba buhoro buhoro (kurenza urugero) cyangwa ako kanya (umuzenguruko muto).

1. Urugendo rwubushyuhe

Uwitekaikintu gishyuhamuri MCCB ni bimetallic strip isubiza ubushyuhe buterwa numuyaga mwinshi mugihe kirambye. Mugihe ikigezweho kinyura muri breaker cyiyongera kurenza agaciro kagenwe, umurongo urashyuha kandi urunama. Iyo umurongo umaze kunama ahantu runaka, utera uburyo bwurugendo, uhagarika amashanyarazi.

Iki gisubizo cyumuriro cyateguwe muburyo bwo kwirindaibintu birenze urugero, aho ikigezweho kirenze agaciro kagenwe ariko ntigahita gitera ibyangiritse. Uburyo bwurugendo rwubushyuhe butuma igisubizo gitinda, cyemeza ko umuvuduko wigihe gito muri iki gihe (nko mugihe cyo gutangira moteri) bidatera guhagarika bitari ngombwa. Niba ibintu birenze urugero bikomeje, ariko, MCCB izagenda kandi irinde ubushyuhe bwinsinga cyangwa ibikoresho bifitanye isano.

2. Urugendo rwa Magnetique

Uwitekaibintu bya rukuruziya MCCB itanga uburinzi ako kanya kwirinda imiyoboro migufi. Mugihe gito cyumuzunguruko, ubwinshi bwimyuka itembera mumena. Uku kwiyongera kubyara imbaraga za rukuruzi zihagije kugirango zigende kumeneka hafi ako kanya, zihagarika umuyaga mbere yuko zishobora kwangiza cyane.

Urugendo rwa rukuruzi ningirakamaro mukurindaimirongo migufi, bibaho mugihe hari inzira itaziguye yamashanyarazi, kurenga umutwaro. Imiyoboro migufi iteje akaga kuko irashobora kwangiza cyane ibikoresho no kwerekana umuriro. Igisubizo cyihuse cyurugendo rwa rukuruzi rwa MCCB kibuza umuyaga kugera ku ntera iteje akaga, bikarinda neza amashanyarazi.

3. Igenamiterere ry'urugendo

MCCB nyinshi zifite ibikoreshoIgenamiterere ry'urugendo, kwemerera abakoresha guhitamo imikorere yamena kugirango yuzuze ibisabwa byihariye bya sisitemu. Ihinduka ritanga ihinduka ryinshi muburyo bwurugendo rwumuriro na magnetiki.

Kurugero, mubisabwa aho moteri ikoreshwa, intangiriro yo gutangira irashobora kuba hejuru cyane kurenza imikorere isanzwe ikora. Muguhindura ingendo zumuriro, abashoramari barashobora gukumira ingendo zidakenewe mugihe bagikora neza ko sisitemu irinzwe mugihe kirenze urugero. Mu buryo busa nabwo, guhindura igenamiterere ryurugendo rwa magnetiki bituma uwamennye asubiza neza kumirongo migufi yububasha butandukanye.

4. Imikorere nintoki

MCCBs zagenewe byombiimfashanyigishonaimikorere yikora. Mubihe bisanzwe, kumena birashobora gukoreshwa nintokihindura imirongo kuri cyangwa kuzimya, byoroshye gukora kubungabunga cyangwa kugerageza neza amashanyarazi.

Mugihe habaye ikibazo cyamashanyarazi, MCCB izahita igenda, igabanye ingufu zo kurinda sisitemu. Uku guhuza ibikorwa nintoki byikora byongera imikorere ihindagurika, itanga uburyo bwo kubungabunga no kurinda amakosa atateganijwe.

5. Urwego runini rwibipimo byubu

MCCBs ziraboneka muri aintera yagutse ya none, kuva hasi nka amperes 10 (A) kugeza hejuru ya 2500 A cyangwa arenga. Ubu bwoko butuma bukenerwa mubikorwa bitandukanye mubikorwa bitandukanye, kuva mumazu yo guturamo kugeza inganda nini.

Ubushobozi bwo guhitamo MCCB hamwe nu rutonde rukwiye rwemeza ko uwamennye atanga uburinzi bwizewe atiriwe akandagira bitari ngombwa mugihe gisanzwe. Byongeye kandi, MCCBs irashobora gupimwa kuri voltage zitandukanye, harimo na voltage nkeya (LV) hamwe na sisitemu yo hagati (MV), bikarushaho kunoza imikorere yabo.

Porogaramu ya MCCBs

Bitewe no guhuza n'imikorere yabo, MCCBs ikoreshwa murwego runiniinganda n'ibidukikije. Porogaramu zisanzwe zirimo:

1. Sisitemu yinganda

Mu nganda, MCCBs ningirakamaro mu kurinda imashini ziremereye, transformateur, hamwe na sisitemu nini y’amashanyarazi amakosa ashobora kuviramo ibikoresho kwangirika, amasaha yo hasi, cyangwa umuriro. MCCBs ifite amanota menshi hamwe nubushobozi bwo guhagarika cyane ni ingenzi cyane cyane mubikorwa nkinganda, ubucukuzi bwamabuye y'agaciro, peteroli na gaze, hamwe ningufu zitanga ingufu, aho amashanyarazi afite imitwaro myinshi hamwe ningaruka zishobora guturuka.

2. Inyubako z'ubucuruzi

Mu nyubako z'ubucuruzi nk'ahantu hacururizwa, mu biro, no mu bitaro, MCCBs igira uruhare runini mu gukwirakwiza amashanyarazi neza kandi yizewe. Ibi bimena birinda sisitemu ya HVAC, amatara, lift, hamwe nubundi buryo bwingenzi bwubaka bwububiko burenze imizigo myinshi hamwe n’umuzunguruko mugufi, bifasha mu gukomeza gukora no kugabanya ingaruka ku bayirimo.

3. Gukoresha

Nubwo sisitemu y'amashanyarazi ituye mubusanzwe ikoresha ibikoresho bito birinda ibintu nka miniature yamashanyarazi (MCBs), MCCBs rimwe na rimwe ikoreshwa mubisabwa binini byo guturamo cyangwa aho bikenewe gukingirwa amakosa, nko mu nyubako z'amagorofa cyangwa amazu afite imitwaro minini y'amashanyarazi (urugero, amashanyarazi sitasiyo yo kwishyiriraho ibinyabiziga). MCCBs itanga ibyiringiro byokurinda amakosa akomeye yumuriro muribi bihe.

4. Sisitemu Yingufu Zisubirwamo

Mugihe sisitemu yingufu zishobora kongera ingufu nkizuba ryumuyaga nizuba bigenda byiyongera, MCCBs ziragenda zikoreshwa mukurinda inverter, transformateur, hamwe numuyoboro wo gukwirakwiza muri sisitemu. Ubushobozi bwo guhindura igenamigambi ryurugendo rutuma MCCBs yakira imitwaro itandukanye yamashanyarazi hamwe nibisanzwe bituruka kumasoko yingufu zishobora kubaho.

5. Akamaro n'ibikorwa Remezo

MCCBs nayo ikoreshwa muri sisitemu y'amashanyarazi yingirakamaro, harimo imiyoboro yo gukwirakwiza amashanyarazi, insimburangingo, n'ibikorwa remezo bikomeye nka sisitemu yo gutwara abantu n'ibigo. Hano, baremeza imikorere idahwitse ya serivisi zingenzi mukurinda amakosa yumuriro ushobora gukurura umuriro cyangwa kwangirika.

Ibyiza bya Molded Case Yumuzenguruko

MCCBs itanga ibyiza byinshi bituma bahitamo guhitamo kurinda amashanyarazi mubikorwa bitandukanye:

1. Guhindagurika

MCCBs zirahinduka cyane bitewe nubunini bwazo bugezweho hamwe na voltage, igenamigambi ryurugendo, hamwe nubushobozi bwo gukemura ibibazo bito kandi binini cyane. Ubu buryo butandukanye butuma bukoreshwa ahantu hatandukanye, kuva ku nyubako zo guturamo kugeza ku nganda nini zinganda.

2. Kwizerwa kwinshi

Ubwubatsi bukomeye hamwe ningendo zizewe za MCCBs zemeza ko zitanga uburinzi buhoraho mugihe. Ubushobozi bwabo bwinshi bwo guhagarika bivuze ko no mugihe habaye amakosa akomeye, MCCBs izahagarika umutekano neza nta kabuza.

3. Umutekano

Mu gukumira imitwaro irenze urugero, imiyoboro migufi, hamwe n’amakosa y’ubutaka, MCCBs igira uruhare runini mu kurinda ibikoresho by’amashanyarazi ndetse n’abakozi mu bihe bibi. Urubanza rwacuzwe rutanga ubwishingizi no kurengera ibidukikije, mugihe uburyo bwurugendo rwikora rwemeza ko amakosa akemurwa ako kanya.

4. Kubungabunga byoroshye

MCCBs irashobora gukoreshwa muburyo bwintoki hagamijwe kubungabunga, bigatuma imiyoboro ishobora kwigunga neza bitabaye ngombwa ko ihagarikwa ryuzuye rya sisitemu. Ibi bituma byoroha gukora ubugenzuzi, gusana, cyangwa kuzamura utabangamiye ibindi bice byumuyagankuba.

5. Igishushanyo-Kuzigama Umwanya

Igishushanyo mbonera cya MCCBs kibemerera gukoreshwa ahantu hafunganye, nk'amashanyarazi n'amashanyarazi, nta gutamba imikorere. Ubushobozi bwabo bwo gukoresha imigezi minini mubintu bito bifite agaciro cyane mubikorwa aho umwanya ari muto.

Umwanzuro

Uwiteka Urupapuro rwumuzunguruko(MCCB)ni ikintu cyingenzi muri sisitemu yo gukwirakwiza amashanyarazi, itanga igisubizo cyinshi, cyizewe, kandi cyiza cyo kurinda imiyoboro iremereye, imiyoboro migufi, namakosa yubutaka. MCCB ifite imbaraga zikomeye, ubushobozi bwo guhagarika byinshi, hamwe ningendo zishobora guhinduka, MCCB nibyiza kubikorwa byinshi bitandukanye mubikorwa byinganda, ubucuruzi, gutura, n’ingufu zishobora kongera ingufu.

Byaba bikoreshwa mukurinda ibikoresho biremereye byinganda, kubungabunga ibikorwa byububiko byubucuruzi, cyangwa kwemeza ko ingufu zidasubirwaho, MCCBs zitanga umutekano nubwizerwe bukenewe mumashanyarazi agezweho. Guhuza uburyo bwurugendo rwubushyuhe na magnetiki byerekana ko amakosa yamenyekanye vuba kandi agakemurwa, bikagabanya ingaruka kubikoresho ndetse nabakozi.

Muri make, MCCB ntabwo irinda gusa amashanyarazi ahubwo inemeza imikorere ikomeza kandi itekanye yimiyoboro ikwirakwiza amashanyarazi, ikaba igikoresho cyingenzi mwisi igezweho yubuhanga bwamashanyarazi.