Uqhagamshelo kunye nomahluko phakathi kwe-earth leakage circuit-breaker kunye ne-air siwtch

Ukuvuza komhlabaumephuli wojikelezo, ekubhekiselwa kuko "njengokutshintsha kokuvuza, okukwabizwa ngokuba kukuvuzaabaphuli beesekethe, Ukungaphumeleli kokuvuza kusetyenziswa ikakhulu kwizixhobo kunye nomntu onobungozi onokufumana ukhuseleko lombane, ukugqithiswa kunye nomsebenzi wokukhusela isiphaluka esifutshane, ingasetyenziselwa ukukhusela imigca okanye i-motor overload kunye nesekethe emfutshane, ingaba kwiimeko eziqhelekileyo zokusetyenziswa. yomgca hayi uguqulelo rhoqo.

Ukutshintsha umoya: kwaziwa njengei-air circuit breaker, ngumaphuli wesekethe.Ngaba utshintshi oluqhawula ngokuzenzekelayo ukuba i-current in circuit idlula i-current rated current.

Umkhuseli wamandla ombane ngaphezulu nangaphantsi: okwaziwa ngokuba ngumkhuseli ophindwe kabini nangaphantsi kwamandla ombane, oku kuthetha ukuba xa umgca ongaphezulu kwamandla ombane kwaye ungaphantsi kwamandla ombane ungaphezulu kwexabiso elichaziweyo unokuqhawula ngokuzenzekelayo, kwaye unokubona ngokuzenzekelayo umbane womgca, xa umbane womgca ukuya kwesiqhelo unokuzenzekela ngokuzenzekelayo. vala isixhobo.

Ikakhulu isetyenziselwa ukusasazwa kweevenkile zasekhaya kunye neendawo zokuthenga (isigaba esinye se-AC230V, isigaba sesithathu socingo lwe-AC415V) imigca njenge-voltage engaphezulu kombane, ngaphantsi kombane, ikhefu lesigaba, ukhuseleko lomgca we-zero.

Uqhagamshelo kunye nomahluko phakathi komkhuseli wokuvuza, iswitshi yomoya kunye nomkhuseli ongaphezulu kombane:

A, umkhuseli wokuvuza ngokomsebenzi wawo wokukhusela kunye nokuhlelwa kokusetyenziswa kuchazwe, ngokubanzi kunokwahlulahlula kwi-relay yokukhusela ukuvuza, ukutshitshiswa kokukhusela ukuvuza kunye nesokhethi yokukhusela ukuvuza kwesithathu.

• 1. I-relay yokukhusela ukuvuza ibhekisela kwisixhobo sokukhusela ukuvuza esinomsebenzi wokubona kunye nokugweba ukuvuza kwangoku, kodwa ayinayo umsebenzi wokuqhawula kunye nokutshintsha kwisiphaluka esiphambili.
• I-2, ukutshintshwa kokukhusela ukuvuza akubhekiseli nje kuphela kunokudibaniswa okanye ukunqanyulwa kunye nabanye abaphuli beesekethe, kodwa kunomsebenzi wokufumanisa ukuvuza kwangoku kunye nesigwebo.Xa ukuvuza okanye umonakalo wokufakelwa kwe-insulation kwenzeka kwisekethe ephambili, ukutshintshwa kokukhusela ukuvuza kunokudibaniswa okanye kunqanyulwe ngokweziphumo zesigwebo sesekethe ephambili.
• I-3, i-socket yokukhusela ukuvuza ibhekisela ekuboneni ukuvuza kwangoku kunye nesigwebo kwaye inokunqumla isiphaluka sombane wamandla.Umjelo wayo olinganisiweyo ungaphantsi kwe-20A ngokubanzi, intshukumo yangoku yi-6 ~ 30mA, uvakalelo oluphezulu, oluhlala lusetyenziselwa ukukhusela izixhobo zombane eziphathwayo kunye nezixhobo zombane ezihambayo kunye namakhaya, izikolo kunye nezinye iindawo zokuhlala.

Okwesibini, ukutshintshwa komoya sisixhobo sombane esibaluleke kakhulu kwinethiwekhi yokusabalalisa i-voltage ephantsi kunye nenkqubo yokudonsa amandla ombane, edibanisa ulawulo kunye nemisebenzi eyahlukeneyo yokukhusela.Ukongeza ukugqiba unxibelelwano kunye nesekethe yekhefu, inokuba yisekethe okanye isixhobo sombane esifutshane, ukugcwala kakhulu kunye nokukhuselwa kwe-voltage, kodwa ingasetyenziselwa ukuqala rhoqo injini.

Umkhuseli wokuvuza akakwazi ukuthatha indawo yokutshintsha umoya.Nangona umkhuseli ovuzayo ungaphezulu kokutshintsha komoya umsebenzi wokukhusela, kodwa kwinkqubo yokusebenza ngenxa yokuvuza okunokwenzeka kaninzi kukho kwaye kuya kuhlala kusenzeka okwenzekayo, okukhokelela ekubeni umthwalo uya kubonakala ukucima kombane, okuchaphazela ukusebenza okuqhubekayo kunye nokuqhelekileyo. izixhobo zombane.

Ke ngoko, ngokubanzi kuphela kwindawo yolwakhiwo kuphela umbane wexeshana okanye umzi-mveliso kunye nesokethi yesokhethi loop esetyenziswayo.

Okwesithathu, ngenxa yesixhobo sokukhusela i-overvoltage kunye ne-undervoltage, abantu abaninzi bacinga ukuba kunokwenzeka ukuba igridi yamandla eqhelekileyo i-zero overvoltage ininzi, ukuze iminyaka engu-N ayinakwenzeka ukuba i-overvoltage ayinakwenzeka, kuninzi iseti uhambo olugqithisiweyo lunakho, ngaba kuyimfuneko ukuba “ukuziphilisa”?

Ngokuqhelekileyo, isixhobo sokukhusela sinokunqumla ngokukhawuleza kwaye ngokukhuselekileyo isekethe phantsi kwempembelelo eqhubekayo yombane ophezulu, ukuze kuthintelwe ukwenzeka kweengozi ezibangelwa yi-voltage engaqhelekanga kwi-terminal yombane.Xa i-voltage ibuyela kwixabiso eliqhelekileyo, umkhuseli uya kutshintshela ngokuzenzekelayo kwisiphaluka ngaphakathi kwexesha elichaziweyo ukuqinisekisa ukusebenza okuqhelekileyo kwezixhobo zombane zombane kwiimeko ezingalindelekanga.

Umkhuseli wokuvuza, ukutshintshwa komoya kunye ne-over-voltage kunye nesixhobo sokukhusela ngaphantsi kwe-voltage, nganye ineempawu zayo, kunye nezihlandlo ezahlukeneyo kufuneka zikhethe izixhobo ezahlukeneyo, unokukhetha ukufaka ngokweemfuno zabo.