Molded Case Circuit Breaker

TheMolded Case Circuit Breaker (MCCB)ibwe repakona rekuchengetedza magetsi emazuva ano, kuve nechokwadi chekuti maseketi emagetsi anodzivirirwa kubva kune njodzi mamiriro akadai sekuremerwa, mapfupi maseketi, uye kutadza kwepasi. Yakavharirwa mupurasitiki yakaumbwa yakasimba, MCCBs dzakagadzirirwa kushanda zvakavimbika kunyangwe munzvimbo dzakaoma umo kuvharidzira nekudzivirira kubva kuguruva, hunyoro, uye dzimwe njodzi dzakakosha. Dhizaini yavo yecompact, yakasanganiswa nehupamhi hwekuvhiringidza huwandu, inovaita kuti vagone kuita zvinhu zvakasiyana-siyana uye vakakosha pamhando dzakasiyana dzemashandisirwo, kubva kumichina yemumaindasitiri kusvika pakugovera magetsi ekutengesa, uye kunyangwe masisitimu emagetsi ekugara.

Ichi chinyorwa chinoongorora akakosha maficha, maitiro, uye mashandisirwo eMCCBs, kuratidza basa ravo rinokosha mukuchengetedzwa kwemagetsi uye kuvimbika.

Chii chinonzi Molded Case Circuit Breaker?

TheMolded Case Circuit Breaker (MCCB)imhando yemidziyo yekudzivirira yemagetsi inovhiringidza kuyerera kwezvino panguva yemamiriro ekushanda asina kujairika. Yakavharirwa mugomba repurasitiki rakadzivirirwa, maMCCB akavakirwa zvakasimba kuchengetedza zvinhu zvemukati kubva kune zvakatipoteredza zvakaita seguruva nehunyoro uku ichipawo magetsi ekudzivirira.

MCCBs dzakagadzirirwa ku:

• Kuvhiringidza magetsimuchiitiko chekuremerwa, kupfupika kwedunhu, kana kukanganisa kwepasi.
• shanda nemaokokuparadzanisa masekete kuitira kuchengetedza kana kuchengetedza zvinangwa.
• Bata mafungu makuru, ichiita kuti ive yakanaka kune maindasitiri uye zvekutengesa masisitimu.

Zvavoyakakwirira yekukanganisa kugonainovabvumira kukanganisa zvakachengeteka mafambiro epamusoro, kuderedza njodzi yekukuvadzwa kwemidziyo yemagetsi uye kudzivirira moto. MCCBs inouya muhukuru hwakasiyana uye ratings, ichipa kuchinjika kwekushandiswa mumhando dzakasiyana dzemagetsi masisitimu.

Iyo Operation Mechanism yeMCCBs

MCCBs dzinoshandisa nzira mbiri dzekutanga kuona uye kupindura kune zvisirizvo zvazvino mamiriro:kudzivirira kupisauyemagnetic protection. Aya maitiro anovimbisa kuti MCCB inogona kunyatsopindura kumarudzi akasiyana-siyana ezvikanganiso, zvingave zvichiitika zvishoma nezvishoma (kuwedzerwa) kana pakarepo (pfupi pfupi).

1. Thermal Rwendo Mechanism

Thethermal elementmuMCCB mutsetse webimetallic unopindura kupisa kunobva kune yakawandisa ikozvino kwenguva yakareba. Sezvo ikozvino inoyerera kuburikidza nebreaker inowedzera kupfuura iyo yakatemerwa kukosha, iyo strip inopisa uye inokotama. Kamwe tambo ikakotamira kune imwe nzvimbo, inokonzeresa nzira yerwendo, ichicheka magetsi.

Iyi mhinduro yekupisa yakanyatsogadzirirwa kudzivirira kubvaoverload mamiriro, uko ikozvino inodarika kukosha kwakayerwa asi isingakonzere kukanganisa ipapo. Iyo yekupisa yekufamba dhizaini inobvumira kunonoka mhinduro, kuve nechokwadi chekuti kusimuka kwechinguva mune zvazvino (senge panguva yekutanga-motor) hazvikonzeri kukanganisa kusingakoshi. Kana kuwandisa kukaramba kuchienderera, zvisinei, MCCB inogumburwa uye kudzivirira kupisa kwewaya kana midziyo yakabatana.

2. Magnetic Rwendo Mechanism

Themagnetic elementyeMCCB inopa dziviriro pakarepo kubva kumaseketi mapfupi. Munguva pfupi yedunhu, kukwira kukuru kwezvino kunoyerera kuburikidza nebreaker. Kuvhiya uku kunogadzira simba remagineti rakasimba zvekuti rinogona kurovera breaker nekukasira, ichikanganisa iripo isati yakonzera kukanganisa kukuru.

Iyo magnetic trip mechanism yakakosha pakudziviriramatunhu mapfupi, iyo inoitika kana paine nzira isina kutariswa yakananga yemagetsi, ichipfuura mutoro. Maseketi mapfupi ane njodzi nekuti anogona kukonzera kukuvadzwa kwakanyanya kumidziyo uye kuunza njodzi dzemoto. Kukurumidza kupindura kweMCCB's magnetic trip mechanism inodzivirira yazvino kuti isasvike nhanho dzine njodzi, zvichichengetedza hurongwa hwemagetsi.

3. Adjustable Trip Settings

MaMCCB mazhinji anezvinogadziriswa rwendo marongero, kubvumira vashandisi kugadzirisa mashandiro emutyora kuti asangane nezvinodiwa zvehurongwa hwavo. Kugadziriswa uku kunopa kuchinjika kukuru maererano nezvose zvinopisa uye magineti rwendo zvikumbaridzo.

Semuenzaniso, mumashandisirwo anoshandiswa mota, yekutanga ikozvino inogona kunge yakakwira zvakanyanya pane yakajairika kushanda ikozvino. Nekugadzirisa marongero erwendo rwekupisa, vashandisi vanogona kudzivirira kutsika kusingakoshi vachiri kuona kuti sisitimu inodzivirirwa panguva yekurebesa. Saizvozvo, kugadzirisa iyo magineti rwendo marongero inobvumira anotyora kuti apindure zvakakwana kune mapfupi maseketi eakasiyana intensity.

4. Manual uye otomatiki Operation

MCCBs dzakagadzirirwa zvosemanualuyeotomatiki kushanda. Mumamiriro akajairwa, iyo breaker inogona kushandiswa nemaoko kutichinja maseketi kubatidza kana kudzima, zvichiita kuti zvive nyore kuita kugadzirisa kana kuedza zvakachengeteka zvirongwa zvemagetsi.

Muchiitiko chekutadza kwemagetsi, MCCB inongozvitsika, ichigura simba kuchengetedza sisitimu. Uku kusanganiswa kwebhuku rekushandisa uye otomatiki kunowedzera kuchinjika kwekushanda, zvichibvumira kugadziriswa kwakarongwa uye kusachengetedzwa kwekukanganisa.

5. Wide Range of Current Ratings

MCCBs anowanikwa mune ahuwandu hwakawanda hwezviyero zvazvino, kubva pakadzika se10 amperes (A) kusvika pakakwirira se2,500 A kana kupfuura. Izvi zvakasiyana-siyana zvinovaita kuti vakwanise kunyorera mumaindasitiri akasiyana siyana uye nharaunda, kubva pazvivakwa zvekugara kusvika kune makuru maindasitiri.

Iko kugona kusarudza MCCB ine yakakodzera ikozvino chiyero inovimbisa kuti iyo inotyora inopa yakavimbika dziviriro pasina kugumburwa zvisina kufanira panguva yekushanda kwakajairika. Uyezve, maMCCB anogona kuyerwa kune akasiyana voltages, kusanganisira yakaderera voltage (LV) uye yepakati voltage (MV) masisitimu, zvichiwedzera kusimudzira kugona kwavo.

Zvikumbiro zveMCCBs

Nekuda kwekuchinjika kwavo uye kuita kwepamusoro, maMCCB anoshandiswa munzvimbo dzakasiyana siyanamaindasitiri uye nharaunda. Izvo zvinonyanya kushandiswa zvinosanganisira:

1. Industrial Systems

Muzvigadziro zvemaindasitiri, maMCCB akakosha kuchengetedza michina inorema, ma transformer, uye hombe-yemagetsi masisitimu kubva mukukanganisa kunogona kukonzera kukuvara kwemidziyo, kuderera, kana moto. MCCBs ine zviyero zvakakwirira zvemazuva ano uye hukuru hwekuvhiringidza masimba anonyanya kukosha mumaindasitiri akadai sekugadzira, migodhi, mafuta uye gasi, uye kugadzirwa kwesimba, uko masisitimu emagetsi anowana mitoro yakakura uye inogona kukanganisa mafungu.

2. Zvivako zvekutengesa

Muzvivako zvekutengesa zvakadai semashopu, nzvimbo dzehofisi, uye zvipatara, MCCBs inoita basa rinokosha mukuona kuparadzirwa kwakachengeteka uye kwakavimbika kwesimba remagetsi. Aya mabreaker anodzivirira maHVAC masisitimu, mwenje, zvikwiriso, uye mamwe akakosha masisitimu ekuvaka kubva pakuremerwa uye mapfupi maseketi, zvichibatsira kuchengetedza kuenderera kushanda uye kuderedza njodzi kune vanogara.

3. Kushandiswa Kwekugara

Kunyangwe masisitimu emagetsi ekugara achiwanzo shandisa zvidiki-zviyero zvekudzivirira senge miniature circuit breakers (MCBs), maMCCBs dzimwe nguva anoshandiswa munzvimbo dzakakura dzekugara kana panodiwa dziviriro yepamusoro, senge mudzimba dzemafurati kana dzimba dzine mitoro mikuru yemagetsi (semuenzaniso, magetsi. zviteshi zvekuchaja mota). MCCBs inopa yakawedzerwa vimbiso yedziviriro kubva kune yakanyanya kutadza magetsi muzviitiko izvi.

4. Renewable Energy Systems

Sezvo masisitimu emagetsi anovandudzwa senge solar nemhepo kuiswa kwemagetsi kunowedzera kuwanda, MCCBs iri kuwedzera kushandiswa kuchengetedza inverters, transformer, uye kugovera network mukati meaya masisitimu. Iko kugona kugadzirisa nzendo marongero inobvumira MCCBs kugarisa akasiyana mitoro yemagetsi uye mamiriro akajairwa ezvezvezve magetsi masosi.

5. Utility uye Infrastructure

MCCBs zvakare akaiswa muutility-chiyero chemagetsi masisitimu, anosanganisira magetsi ekugovera network, zviteshi, uye zvakakosha masisitimu senge ekufambisa uye nzvimbo dzedhata. Pano, ivo vanovimbisa kuenderera mberi kwekushanda kweakakosha masevhisi nekudzivirira kubva kuzvikanganiso zvemagetsi izvo zvinogona kukonzeresa kupararira kana kukuvara.

Zvakanakira Molded Case Circuit Breakers

MCCBs inopa akawanda mabhenefiti anovaita sarudzo yakasarudzika yekudzivirira magetsi mune akasiyana maapplication:

1. Versatility

MCCBs dzinoshandiswa zvakasiyana-siyana nekuda kwehuwandu hwadzo hwakawanda hwemazuva ano uye voltage ratings, inogadzirika rwendo marongero, uye kugona kubata ese ari maviri akaderera uye akakwira kukanganisa mafungu. Izvi zvakasiyana-siyana zvinovaita kuti vakwanise kushandiswa munzvimbo dzakasiyana siyana, kubva pazvivakwa zvekugara kusvika kumiti mikuru yemaindasitiri.

2. Kuvimbika Kwakakwirira

Kuvaka kwakasimba uye nzira dzakavimbika dzekufamba dzeMCCBs dzinoona kuti dzinopa dziviriro inowirirana nekufamba kwenguva. Kukanganisa kwavo kwakanyanya kunoreva kuti kunyangwe pakaitika kukanganisa kwakanyanya, maMCCB anobvisa zvakachengeteka dunhu pasina kukundikana.

3. Safety

Nekudzivirira kuwandisa, maseketi mapfupi, uye kukanganisa kwepasi, MCCBs inoita basa rakakosha mukudzivirira zvese midziyo yemagetsi nevashandi kubva kune njodzi. Iyo yakaumbwa kesi inopa insulation uye kuchengetedzwa kwezvakatipoteredza, nepo otomatiki rwendo meshini inoita kuti zvikanganiso zvinogadziriswa nekukurumidza.

4. Easy Maintenance

MCCBs inogona kushandiswa zviri nyore nemaoko nechinangwa chekugadzirisa, ichibvumira masekete kuti avharwe zvakachengeteka pasina kuda kuvharwa kwakakwana kwehurongwa. Izvi zvinoita kuti zvive nyore kuita ongororo, kugadzirisa, kana kusimudzira pasina kukanganisa zvimwe zvikamu zvetiweki yemagetsi.

5. Nzvimbo-Kuchengetedza Dhizaini

Iyo compact dhizaini yeMCCBs inobvumira kuti ishandiswe munzvimbo dzakasimba, senge magetsi mapaneru uye switchboards, pasina kupira kuita. Kugona kwavo kubata mafungu mahombe mune diki fomu chinhu kunonyanya kukosha mumashandisirwo apo nzvimbo inogumira.

Mhedziso

The Molded Case Circuit Breaker(MCCB)chinhu chakakosha mumagetsi ekugovera masisitimu, achipa mhinduro dzakasiyana-siyana, yakavimbika, uye inoshanda yekudzivirira maseketi kubva pakuremerwa, maseketi mapfupi, uye kukanganisa kwepasi. Iine casing yayo yakasimba yakaumbwa, yakakwirira kukanganisa kugona, uye inogadziriswa nzendo marongero, iyo MCCB yakanakira akasiyana siyana ekushandisa mumaindasitiri, ezvokutengeserana, ekugara, uye anogona kuvandudzwa simba zvikamu.

Ingave ichishandiswa kuchengetedza inorema maindasitiri michina, kuchengetedza mashandiro akachengeteka muzvivakwa zvekutengesa, kana kuve nechokwadi kuenderera kuyerera kwesimba rinodzokororwa, MCCBs inopa kuchengetedzeka uye kuvimbika kunodiwa kumasisitimu emagetsi emazuva ano. Kusanganiswa kwavo kweanopisa uye magineti ekufamba maitiro anovimbisa kuti kukanganisa kunokurumidza kuonekwa uye kugadziriswa, kuderedza njodzi kumidziyo nevashandi zvakafanana.

Muchidimbu, iyo MCCB haingo chengetedza kuiswa kwemagetsi chete asiwo inoenderera uye yakachengeteka mashandiro emagetsi ekugovera magetsi, zvichiita kuti ive chishandiso chakakosha munyika yazvino yeinjiniya yemagetsi.