Musiyano uripo pakati peMCB neMCCB

Kana zvasvika kumacircuit breaker, sarudzo mbiri dzinowanzo shandiswa iMCB neMCCB. Kunyange zvazvo dzese dzichishandiswa kudzivirira masisitimu emagetsi kubva pakuzara kwemagetsi uye mashort circuit, pane musiyano mukuru pakati pezvigadzirwa zviviri izvi.

Muchina wedunhu mudiki (MCB), sezvinoreva zita racho, imuchina we "circuit breaker" une mabasa akawanda. Unoshandiswa zvakanyanya munzvimbo dzakasiyana-siyana dzakadai semaindasitiri, kutengeserana, zvivakwa zvirefu, uye dzimba dzekugara. MaMCB akagadzirwa kuti ape dziviriro kumayuniti emagetsi ekuparadzira magetsi muzvivakwa. Kune mhando dzakawanda uye huwandu hwezvigadzirwa zve "circuit breaker", zvakakodzera kushandiswa kwakasiyana.

Chimwe chezvakanakira zvikuru zveMCB kugona kwayo kubata maparamita emagetsi akasiyana-siyana. Yakakodzera kudzivirira mitsetse yakawandisa uye yepfupi ine voltage yeAC 50/60Hz 230/400V uye current rated inosvika 63A. Pamusoro pezvo, macircuit breaker madiki anogonawo kushandiswa pakuchinja mitsetse nguva nenguva mumamiriro ezvinhu akajairwa. Kugona kwayo kuita zvinhu zvakasiyana-siyana kunoita kuti ive yakakodzera masisitimu emagetsi akawanda.

Pane rimwe divi,macircuit breakers ekesi akaumbwa (MCCB) anonyanya kushandiswa mumasisitimu ekugovera simba remagetsi mashoma uye macircuit ekudzivirira mota. Inopa dziviriro ye overload uye short circuit. Chinhu chikuru chinosiyanisa MCCB ipurasitiki yayo, iyo inoshanda se insulator uye inoparadzanisa makondakita nesimbi dzakagadzika pasi. Nekuda kwekuvimbika kwayo uye kugadzikana, ma molded case circuit breakers ave achishandiswa zvakanyanya mumaindasitiri akasiyana-siyana.

Kunyangwe zvese MCB neMCCB zviri macircuit breaker, pane musiyano mukuru pakati pazvo. Chekutanga, zvine maparamita akasiyana emagetsi neemakanika. MCB yakakodzera waya dzine saizi inosvika 10 square metres, nepo MCCB ichigona kubatanidza waya dzakakora, dzakadai sewaya dziri pamusoro pe 35 square metres. Izvi zvinoita kuti MCCB ikwanise kubata magetsi nemafuru akakwira.

Mumwe musiyano ndewekuti anobatanidzwa sei. Materminal emolded case circuit breaker akabatanidzwa ne nzungu, dzinogona kudzvanywa zviri nyore uye zvinova nechokwadi chekuti zvinobatana zvakanaka. Kusiyana neizvi, maMCB anoshandisa materminal madiki ekudzvanya anogona kusimbiswa chete ne screwdriver. Musiyano uyu munzira dzekubatanidza unokanganisa kudzvanywa uye kunaka kwekubata.

Uyezve, MCB neMCCB dzine nzvimbo dzakasiyana dzekushanda. MCB dzakagadzirirwa kushandiswa kwakasiyana-siyana, zvichiita kuti dzikwanise kushandiswa munzvimbo dzakasiyana. MCCB, kune rumwe rutivi, inonyanya kushandiswa mumabasa ekuchinjana zvinhu zvidiki.

Muchidimbu, kunyange zvazvo ma "miniature circuit breakers" nema "molded case circuit breakers" ese ari maviri achishandiswa kuchengetedza masisitimu emagetsi, ane musiyano wakakura. MCB inoshandiswa zvakanyanya uye ine mashandisirwo akasiyana-siyana, nepo MCCB ichinyanya kushandiswa mumasisitimu ekugovera simba ane voltage shoma uye ma "motor protection circuits". Anosiyana mumagetsi nema "mechanical parameters", nzira dzekubatanidza uye nzvimbo yekushanda. Kunzwisisa misiyano iyi kuchabatsira kuona kuti ndeipi "circuit breaker" yakanakira zvaunoda.