Ukhuseleko luhlala luyinto ephambili xa kufikwa kufakelo lombane. Isixhobo esibalulekileyo sokuqinisekisa ukhuseleko lwesekethe yiswitshi yokuzihlukanisa. Kweli nqaku, siza kujonga ngokusondeleyo ukuba zeziphi iiswitshi zokuzihlukanisa, iintlobo zazo, kunye nokubaluleka kokufakelwa ngokufanelekileyo.
An iswitshi yokwahlulahlula, ekwaziwa ngokuba yiswitshi yokwahlukanisa umbane okanye i-isolator, sisixhobo esisetyenziselwa ukwahlukanisa ngokupheleleyo isekethe yombane kumthombo wamandla. Injongo yaso ephambili yoyilo kukunqumla umbane kwinkqubo yombane okanye kwizixhobo ukuze umsebenzi wokulungisa nokulungisa wenziwe ngokukhuselekileyo ngaphandle komngcipheko wokothuka ngombane. Iswitshi yokwahlukanisa isebenza njengomqobo obonakalayo phakathi komthombo wamandla kunye nesekethe, inika umaleko owongezelelweyo wokhuseleko.
Kukho iintlobo ezahlukeneyo zeeswitshi zokwahlukanisa ezikhoyo, ezahlukeneyo kuyilo kunye nokusetyenziswa. Uhlobo olunye oluqhelekileyo yi-fused switch disconnector, edibanisa imisebenzi ye-switch disconnector kunye ne-fuse. Ayigcini nje ngokwahlula isekethe kodwa ikwabonelela ngokhuseleko olugqithisileyo. Olunye utshintsho olusetyenziswa kakhulu yi-fuse switch, evula isekethe kuphela kwaye ayiboneleli naluphi na ukhuseleko. Ukukhetha i-disconnector yokwahlukanisa kuxhomekeke kwiimfuno ezithile kunye nohlobo lofakelo lombane.
Ukufakelwa ngokufanelekileyo kweswitshi yokwahlukanisa kubalulekile ukuqinisekisa ukusebenza kwayo kunye nokuthobela imigangatho yokhuseleko. Izikhokelo zomenzi kunye nayo nayiphi na imigaqo efanelekileyo kufuneka ilandelwe xa kufakwa iswitshi yokwahlukanisa. Iiswitshi kufuneka zifakwe kwindawo efikelelekayo kwaye ziphawulwe ngokucacileyo ukubonisa injongo yazo. Kubalulekile nokuqinisekisa ukuba iswitshi yokwahlukanisa ilinganiswe ngokufanelekileyo kumthwalo wombane eza kuwuqhawula.
Ukugcinwa kweswitshi yokwahlukanisa kubaluleke ngokulinganayo ukuqinisekisa ukusebenza kwayo okuthembekileyo. Jonga rhoqo naziphi na iimpawu zokuguguleka, umonakalo okanye uqhagamshelo olukhululekileyo. Ukuba kukho naziphi na iingxaki ezifunyenweyo, amanyathelo akhawulezileyo kufuneka athathwe ukulungisa okanye ukutshintsha iswitshi yokwahlukanisa. Ukongeza, kucetyiswa uvavanyo oluqhelekileyo ukuqinisekisa ukusebenza kweswitshi nokuqinisekisa ukuba isebenza njengoko kulindelekile.
Ukutshintsha okwahlukileyozidlala indima ebalulekileyo kwiintlobo ngeentlobo zamashishini kunye neendawo ezingqongileyo. Zisetyenziswa kakhulu kwizakhiwo zorhwebo, kwizityalo zoshishino, nakwiindawo zokuhlala. Kwimeko yempazamo yombane okanye imeko kaxakeka, iswitshi yokwahlukanisa ingawuqhawula umbane ngokukhawuleza, inciphise umngcipheko wengozi yombane okanye umonakalo ongakumbi.
Ukongeza, iiswitshi zokwahlula ziyinxalenye ebalulekileyo yeendlela zokhuseleko zokufakelwa kombane. Zihlala zibandakanywa njengenxalenye yenkqubo yokhuseleko edibeneyo, enokubandakanya ezinye izixhobo ezifana nezixhobo zangoku ezisele (ii-RCD) okanye ii-circuit breakers. Ukudibana kwezi zixhobo zokukhusela kuphucula kakhulu ukhuseleko lwenkqubo yombane, kunciphisa amathuba eengozi zombane, kwaye kuphucula inkcubeko yokhuseleko lombane iyonke.
Ngamafutshane, ukwahlula iiswitshi kubalulekile ukuqinisekisa ukhuseleko lombane ngexesha lokugcinwa nokulungiswa. Zibonelela ngomgangatho obalulekileyo wokhuseleko, zihlukanisa isekethe kumthombo wamandla kwaye zithintele umngcipheko wokutshayiswa ngumbane. Ukufakwa ngokufanelekileyo, ukugcinwa rhoqo kunye nokuthobela imigaqo yokhuseleko kubalulekile ekusebenzeni kwayo ngempumelelo. Ukubandakanyanqamula iiswitshikwiinkqubo zombane linyathelo elibalulekileyo ekudaleni imeko-bume ekhuselekileyo nokunciphisa iingozi ezinokubakho ezinxulumene nombane.
Ixesha lokuthumela: Novemba-28-2023