Uthini umgaqo wokusebenza we-breaker circuit?

Umgaqo wokusebenza we-aumephuli wojikelezoijikeleza kwingcinga engundoqo yokubeka iliso, ukugweba, kunye nokuphunyezwa. Ngokusebenzisa indlela eyakhelweyo yokukhwela kunye nenkqubo yokucima i-arc, ifezekisa uxhulumaniso lwesekethe oluqhelekileyo kunye nolawulo lokuqhawula kunye nokuphazamiseka ngokukhawuleza kweesekethe eziphosakeleyo. Ngokukodwa, inokwahlulwa kwimodi yokusebenza eqhelekileyo kunye nemodi yokukhusela impazamo. Inkqubo yokucima i-arc yeyona ndlela ibalulekileyo encedisayo eqinisekisa ukuhamba okuthembekileyo.

Xa isekethe ifumana iimpazamo ezifana nomthwalo ongaphezulu, isiphaluka esifutshane, okanye i-undervoltage, iyunithi yohambo eyakhelwe-ngaphakathi ibangela indlela yokutshixa ukuvula, ukufezekisa ukuhamba ngokuzenzekelayo. Iimpazamo ezahlukeneyo zihambelana nemigaqo eyahlukeneyo yokukhwela:

Ukhuseleko lomthwalo ogqithisileyo (uMgaqo wokuTyelwa kweThermal)

I-Core Component: I-Bimetallic strip (eyenziwe ngamashiti esinyithi amabini anee-coefficients ezihluke kakhulu zokwandiswa kwe-thermal zicinezelwe kunye).

I-Working Logic: Xa isiphaluka sigqithisekile, okwangoku ngokuqhubekayo kudlula ixabiso elilinganisiweyo, elibangela ukuba umgca we-bimetallic ugobe kwaye uguqule ngenxa yokushisa. Xa i-deformation ifikelela embundwini, ityhala indlela yokuvala ukuvula, kwaye umnxibelelwano ohambayo uphula isiphaluka phantsi kwesenzo sentwasahlobo.

Iimpawu: Isenzo esilibazisekileyo; ukulayisha ngaphezulu kwexesha elifutshane (okufana nokuqaliswa kwemoto) akusayi kubangela ukukhubeka, ukuthintela ukukhubeka okungeyonyani.

Ukhuseleko lweSekethe eMfutshane (Umgaqo-siseko wokuThamba koMbane)

Undoqo: Ikhoyili ye-Electromagnetic (inxeba elijikeleze umbindi wentsimbi).

I-Operating Logic: Xa isekethe emfutshane isenzeka, isantya sangoku sinyuka ngoko nangoko ukuya kumashumi okanye namakhulu amaxesha exabiso elilinganisiweyo. Ikhoyili ye-electromagnetic ivelisa amandla ombane anamandla, etsala umbindi wentsimbi ukuba abethe indlela yokutshixa, ivule kwangoko isekethe.

Iimpawu: Inyathelo elikhawulezayo le-Milisecond-level, elikwaziyo ukunqumla isiphaluka ngexesha elifutshane kakhulu, ukuthintela ukutshiswa kwe-arc kwisixhobo okanye ukubangela umlilo.

I-Undervoltage/Loss-of-Voltage Protection (Undervoltage Tripping Principle)

Inxalenye engundoqo: Ikhoyili yohambo lwe-Undervoltage, edityaniswe ngokunxuseneyo kwisekethe ukujonga umbane.

Ingqiqo yokuSebenza: Xa amandla ombane ehla ngaphantsi kwe-70% yexabiso elilinganisiweyo okanye ilahleke ngokupheleleyo, amandla ombane wekhoyili yohambo ayanyamalala, kwaye undoqo wentsimbi, phantsi kwesenzo sentwasahlobo, uxhokonxa indlela yokutshixa ukuvula, ukusika isekethe.

Umsebenzi: Ikhusela izixhobo ekusebenzeni okungaqhelekanga kunye nomonakalo phantsi kombane ophantsi, kwaye inqanda ingozi yokhuseleko ebangelwa kukuqaliswa kwezixhobo ngequbuliso xa amandla ebuyiselwa.

uKhuseleko lokuvuza (uMgaqo oSaleleyo woKhuseleko lwangoku)

Inxalenye engundoqo: i-Zero-sequence transformer yangoku.

I-Operating Logic: Ngaphantsi kweemeko eziqhelekileyo, imisinga kwisigaba kunye nemigca engathathi hlangothi ilingana nobukhulu kwaye ichasene nolwalathiso. I-magnetic flux kwi-transformer core iyacima enye kwenye, ibangele ukuba kungabikho mveliso yangoku. Xa ukuvuza kusenzeka (njengokothuka kombane), omnye umsinga uyalahleka emhlabeni, nto leyo ebangela ukungalingani kwimisinga yezigaba ezibini. I-transformer ivelisa umqondiso owenziweyo, obangela iyunithi yohambo.

Iimpawu: Umda ophantsi wokusebenza (ngokuqhelekileyo i-30mA), ukubeka phambili ukhuseleko lomntu.