Chii chinonzi DC Circuit Breaker?

Iyo DC circuit breaker inoreva sedunhu rinotyora rinoshandiswa muDC simba rekugovera sisitimu, iyo inogona kuchengetedza midziyo yemagetsi inoshanda paDC simba.Iyo inowanzo kukodzera solar photovoltaic simba rekugadzira uye magetsi ekugovera masisitimu, bhatiri simba rekuchengetedza masisitimu, uye nyowani simba mota DC yekuchaja masisitimu.Slocable's solar DC circuit breakersyakagadzirirwa kuchengetedza tambo dziri pakati peboka rimwe nerimwe rePV modules uye PV inverters kubva pakuremerwa uye pfupi-circuit DC circuits, uye inoiswa mutambo PV kudzivirira enclosures pakuguma kwetambo imwe neimwe yePV modules.

Iyo yekupinza magetsi terminal yeDC wedunhu breaker isystem yekunanga ikozvino.General DC circuit breaker dzinosanganisira DC MCB (DC miniature circuit breaker), DC MCCB (DC molded case circuit breaker) uye mhando B RCD (inosara yazvino mudziyo).

DC Miniature Circuit Breaker (DC MCB)

DC miniature circuit breakers yakagadzirirwa DC dunhu rekushandisa kune overcurrent uye pfupi dunhu kuchengetedza mumidziyo kana magetsi emagetsi.DC mini circuit breaker ine yakakosha magineti inomanikidza arc kupinda muarc slot uye inodzima arc munguva pfupi pfupi.

Iyo DC yedunhu inogona kukiyiwa munzvimbo ye OFF kuburikidza nedhizaini yekukiya seyero yekuchengetedza yekubvisa iyo PV inverter.Sezvo chikanganiso chiripo chinogona kuyerera chakatarisana neanoshanda ikozvino, iyo DC yedunhu breaker inogona kuona uye kudzivirira chero bidirectional ikozvino kuyerera.Chero zvazvingava, chiito chekukurumidza mumunda chinodiwa kuti ubvise kukanganisa ikozvino.

DC miniature circuit breakers inonyanya kushandiswa muDC system application senge simba idzva, solar photovoltaic uye solar bhatiri simba rekuchengetedza masisitimu.Iyo voltage mamiriro eDC mini circuit breaker inowanzonzi DC 12V-1500V.

DC MCB uye AC MCB vane basa rakafanana, musiyano mukuru ndiwo maitiro emuviri wechigadzirwa.Uyezve, mamiriro ekushandisa eAC MCB uye DC MCB akasiyana.

Iyo AC circuit breaker yakanyorwa pachigadzirwa se LOAD uye LINE, uye chiratidzo cheDC chedunhu chinopwanya chinoiswa chiratidzo pachigadzirwa sechakanaka (+), chisina kunaka (-) zviratidzo uye kutungamira ikozvino.

Chii Basa reDC Mini Circuit Breakers?

Iwo akafanana ekupisa uye magineti ekudzivirira misimboti se AC maseketi anotyora anoshanda kune DC miniature yedunhu mabreak:

Kudzivirirwa kwemafuta kunofambisa iyo DC mini yedunhu breaker kana yazvino ichidarika kukosha kwakayerwa.Mune iyi nzira yekudzivirira, iyo bimetallic contacts thermally inowedzera uye inofamba inotyora wedunhu.Kudzivirirwa kwemafuta kunoshanda nekukurumidza nekuti kwakawanda kupisa kunogadzirwa kuti kuwedzere uye kuvhura kubatanidza kwemagetsi kana ikozvino yakakwira zvakanyanya.Kudzivirirwa kweThermal yeDC mabreaker breaker inodzivirira kuwandisa mafungu akakwira zvishoma pane akajairwa anoshanda mafungu.

Magnetic dziviriro inofamba neDC MCBs kana mafambiro akasimba aripo, uye mhinduro inogara ichiripo.Sezvinoita AC maseketi anotyora, iyo yakatemerwa yekupwanya kugona kweDC mabreaker anomiririra yakanyanya kukosha ikozvino inogona kukanganisa.Kune DC mini breaker, iyo yakavharika ikozvino inogara, izvo zvinoreva kuti wedunhu anofanirwa kuvhura macontact emagetsi kuti avhiringidze kukanganisa ikozvino.Magnetic dziviriro yeDC miniature circuit breakers inodzivirira kubva kune yakafara siyana yemapfupi maseketi uye kukanganisa pane kuwandisa.

Sei DC Solar Circuit Breakers Yakakosha kuPV Systems?

Photovoltaic masisitimu ane mukana wekuve inobudirira renewable energy mechanism.Imwe kana akawanda solar panels anogona kushandiswa, kana anogona kusanganiswa achishandisa inverters uye zvimwe zvemagetsi uye zvemuchina.PV masisitimu anofanirwa kuchengetedzwa nechero muripo, uye chero chiitiko chidiki chinogona kukurumidza kukwira kuita dambudziko guru rehurongwa hwese.

Nokudaro, DC solar circuit breakers chikamu chakakosha che photovoltaic systems, uye kudzivirira kwekushisa kunogona kubatsira mumamiriro ezvinhu azvino.Magnetic dziviriro mu solar DC dunhu rinotyora rinogona kutsika solar redunhu rinotyora kana paine akawanda anokanganisa mafungu.DC circuit breakers inogona kukanganisa mafambiro emhepo kunyangwe mumamiriro akanyanya.Magnetic dziviriro yakakosha muDC mabreaker sezvo ichidzivirira kubva kupfupi maseketi uye kumwe kutadza.

Photovoltaic circuit breakers yakakosha mu solar PV panel system.Dunhu repaneru yezuva chikamu chinodhura che photovoltaic system.Naizvozvo, zvakakosha kuvadzivirira ne solar PV circuit breaker.PV DC circuit breakers inodzivirirawo masekete nemabhodhi edunhu.Inogona kushandura mwaranzi yezuva kuita yakananga ikozvino kuburikidza nemagetsi ezuva, uye mafotovoltaic kuisirwa kunoda kushandiswa kwePV maseketi mabreak.

Kune mota dzemagetsi, mabhatiri avo anogona kubhadhariswa uchishandisa chiteshi chemagetsi mota yekuchaja.Saka masisitimu aya anoda maDC MCBs kudzivirira tsaona nekuti ese anoda kushandisa madirect current, solar panel nemotokari dzemagetsi zvinoshanda pamwe chete, uyezve hazvidi kushandura iyo direct current kuita alternating current, zvinokwanisa kudzorwa nyore nyore uchishandisa DC circuit breaker system yekupindura nekukurumidza.

Imwe Rudzi rweDC Circuit Breaker - DC Yakaumbwa Nyaya Yesekete Breaker (DC MCCB)

DC yakaumbwa kesi yedunhu mabreak akanakira kuchengetedza simba, zvekufambisa uye maindasitiri DC maseketi.Molded kesi circuit breaker dzakagadzirirwa kusangana nepamusoro pekuita zvinodiwa, nepo zvakasiyana-siyana zvekushandisa zviripo kuti zvienderane neakasiyana emunda.Nhasi DC MCCBs yakawedzera maapplication kubatanidza solar photovoltaics, zviteshi zvekuchaja mota dzemagetsi, kuchengetedza bhatiri uye UPS masisitimu, uye kushambadzira uye indasitiri DC magetsi.

Iyo DC MCCB ine basa rakafanana nere AC MCCB, uye ine mabasa akawandisa uye mapfupi ekudzivirira emagetsi azvino anogovera masisitimu.

Iwo anoshandiswawo mumasekete asina kuvhurika bhatiri-powered maseketi ekuchengetedza emergency uye simba rekuchengetedza.Inowanikwa kusvika 150A, 750 VDC uye kusvika 2000A, 600 VDC.Kune DC mabreaker edunhu anoshandiswa mune yakadzika photovoltaic masisitimu mukumisikidzwa kwezuva, mainjiniya ekushandisa uye ongororo inova nechokwadi chekuti zvinodiwa zvekudzivirira zvinosangana.

DC Molded Case Circuit Breaker chishandiso chekudzivirira chekudzivirira chekuchengetedza simba, chekufambisa uye maindasitiri DC maseketi.Iwo anogona kuiswa kune akaiswa pasi kana asina kuvhurika masisitimu, achisangana neakakwira voltages uye yakaderera kukanganisa ikozvino mazinga esolar system.Slocable inogadzira yakakwira-voltage DC maseketi anopwanya anopa kuita kwepamusoro uye anobatsira kuchengetedza mutengo wakaderera, Slocable's MCCB DC mabreaker anoendesa kusvika ku150-800A, 380V-800V DC uye anosangana neakaomesesa emhando zviyero.

Musiyano Pakati pe AC uye DC Circuit Breaker

Musiyano mukuru pakati peyakananga ikozvino uye inochinjika ikozvino ndeyekuti inobuda voltage yeyakananga ikozvino inogara iripo.Kusiyana neizvi, magetsi anobuda mukuchinjanisa mavhiri emazuva ano kakawanda pasekondi, uye chiratidzo chekuchinjana ikozvino chinogara chichichinja kukosha kwayo sekondi yega yega.Iyo yedunhu breaker arc ichadzimwa pa0 V uye dunhu richadzivirirwa kubva kune yakakwira ikozvino.Asi chiratidzo cheDC chazvino hachichinji, chinoshanda munzvimbo inogara, uye kukosha kwevoltage kunoshanduka chete kana dunhu richifamba kana dunhu rinodonha kune imwe kukosha.

Zvikasadaro, iyo DC yedunhu ichapa yakajairika voltage kukosha kwesekondi imwe paminiti.Naizvozvo, hazvikurudzirwe kushandisa AC circuit breaker mudunhu reDC sezvo pasina 0-volt poindi mudunhu reDC.

Chengetedzo Paunotenga Circuit Breakers

Nekuti nzira dzekudzivirira dze AC uye DC mafungu akada kufanana, chaiwo mabreaker akagadzirirwa kushandisa ese ari maviri.Nekudaro, zvakakosha kuti utarise kaviri kuti magetsi uye wedunhu breaker ndeyemhando imwechete yezvino.Kana iwe ukaisa kukanganisa kwedunhu kusina kunaka, kuiswa hakuzove kwakachengetedzwa zvakakwana uye njodzi yemagetsi inogona kuitika.

Chimwe chinhu chakakosha chekufunga nezve chiyero chiripo chetambo dzinobatanidza DC mini circuit breaker kune yakachengetedzwa magetsi emidziyo.Kunyangwe iwe ukaisa iyo DC breaker nemazvo, tambo dzepasi pasi dzinogona kupisa, kunyungudutsa insulation yavo uye kukonzera kutadza kwemagetsi.

DC circuit breaker haawanzo shandiswa se AC circuit breaker, asi yakakoshawo.DC MCBs tekinoroji ichangoburwa, sezvo midziyo yemumba mizhinji inoshanda pane inochinjanisa ikozvino.Solar DC circuit breakers inoita basa rakakosha mukudzivirira kwemagetsi emhando yepamusoro-yekuchengetedza simba matekinoroji akadai semarambi eLED, photovoltaic solar panels, uye mota dzemagetsi.Sezvo matekinoroji aya anosvika kune akasiyana siyana evatengi, solar circuit breakers ichave nemusika wakakura.Kune rimwe divi, DC circuit breakers tekinoroji yakanyatsogadziriswa uye inozivikanwa mukutengeserana, uye vanoita basa rakakosha mukuchengetedza michina yakanyatsojeka uye arc welding.

Kana hurongwa hwemagetsi huchida kushandiswa kweyakananga yazvino wedunhu breaker, inowanzokurudzirwa kuchengetedza masevhisi enyanzvi mainjiniya uye matekiniki kuona kuti iwe unogona kusarudza nekuisa yakakodzera smart DC circuit breaker.