Uma ukhetha i-air circuit breaker, izinkomba zobuchwepheshe eziyinhloko okufanele zihlolwe

Lapho uklama futhi ukhetha ama-air circuit breaker, izinkomba zobuchwepheshe eziyinhloko okufanele zihlolwe yilezi ezilandelayo. Lezi zinkomba zobuchwepheshe zidlala indima ebalulekile ekuqinisekiseni ukuphepha nokusebenza kahle kohlelo lukagesi lapho kufakwa khona ama-air circuit breaker.

Okokuqala, isilinganiso se-voltage ye-voltagei-air circuit breakerkuyinto ebalulekile okufanele icatshangelwe.I-ACBkufanele ihambisane nezidingo ze-voltage zesistimu kagesi. Ububanzi be-voltage elinganisiwe buyi-AC200 kuya ku-690V kanye ne-DC250 kuya ku-400V, ngakho-ke i-voltage elinganisiwe ye-air circuit breaker kumele ifane ne-voltage yesistimu.

Esinye isibonakaliso esibalulekile sobuchwepheshe yi-current rated (Inm) yohlaka lwe-low-voltage circuit breaker. Izinhlobo ezahlukene zomkhiqizo zinamazinga ahlukene wamanje alinganisiwe futhi kubalulekile ukubukeza ngokucophelela ulwazi lobuchwepheshe lomkhiqizo ukuqinisekisa ukuthi luhlangabezana nezidingo zesistimu kagesi.

Isilinganiso samanje (In) se-low voltage circuit breaker naso siyinto ebalulekile okufanele icatshangelwe. Ukukhetha kufanele kusekelwe kumthamo we-transformer oklanyelwe (kV·A) kanye nokuhlaziywa okuningiliziwe kwedatha yobuchwepheshe yomkhiqizo odingekayo.

Umthamo wokuphuka kokusebenza olinganiselwe (Ics) uyinkomba ebalulekile yokusebenza kanye nokuthembeka kwe-air circuit breaker. Kubalulekile ukukhetha umkhiqizo onomthamo wokuphuka ofanele ngokusekelwe emazingeni omthwalo, uhlobo lokwakha kanye nokucatshangelwa kwezezimali.

Ngaphezu kwalokho, umthamo wokuphuka olinganiselwe (i-Icu), umthamo wokuma olinganiselwe wesikhathi esifushane (i-Icw), inani lezinsika, njll. konke kuyizinkomba zobuchwepheshe ezibalulekile okufanele zihlolwe lapho kukhethwa i-air circuit breaker.

Uma ubuyekeza lezi zincazelo, kubalulekile ukucabangela izidingo kanye nezici ezithile zesistimu kagesi lapho kufakwa khona i-air circuit breaker. Ngokuhlola ngokucophelela lezi zincazelo, i-air circuit breaker ingakhethwa ukuze ivumelane nezidingo zesistimu yakho kagesi, iqinisekise ukuphepha, ukuthembeka kanye nokusebenza kahle.