Ithebula 17 kanye neThebula 18 le-IEC 60335-1
Landa
ukwakhiwa kwesigaba III: ingxenye yesisetshenziswa esivikela ukushaqeka kukagesi sincike ekuphepheni kwamandla kagesi aphansi kakhulu nalapho ama-voltage aphezulu kunalawo okuphepha kwamandla kagesi aphansi kakhulu angakhiqizi.Qaphela ukwahlukanisa okuyisisekelo kungase kudingeke ngaphezu kokuphakelwa kwa-SELV. Bheka ku-8.1.4.QAPHELA 2 Uma ingxenye eyinhloko yomshini isebenza e-SELV futhi ilethwa kanye neyunithi yokuphakelwa kukagesi ekhiphekayo khona-ke le ngxenye eyinhloko yale ngxenye eyinhloko ibhekwa…
We are discussing here the second structure of the PTC heating element, PTC heating element structure please refer to the explanation of its definition. How is the creepage distance of the functional insulation at the location of the red circle in Figure 1 determined? We all know that NOTE 1 of TABLE 18 section has…
double insulation: isistimu yokuhlukanisa ehlanganisa kokubili ukufakwa okuyisisekelo kanye nokufakwa okungeziwe Incazelo iwukwenza lula kuphela incazelo yokugquma okuyisisekelo kanye nokwahlukanisa okungeziwe ezingeni, kusetshenziswa igama elilodwa ukuchaza amagama amabili. Njengoba kukhonjisiwe emfanekisweni ongezansi, intambo yokunikezela inezingqimba ezimbili zokuvala, umgodla wocingo ongaphakathi kanye nomgodla wocingo omnyama ongaphandle, ochazwa ngokuthi ukufakwa kabili. Njengoba kukhonjisiwe ezithombeni ezimbili ezilandelayo(ifeni), umgodla…
Into esetshenziswayo yesigaba III: into esetshenziswayo lapho ukuvikeleka kokushaqiswa kukagesi kuncike ekunikezeni amandla kagesi aphansi kakhulu futhi lapho ama-voltage aphezulu kunalawo okuphepha kwamandla kagesi aphansi kakhulu angakhiqizi.QAPHELA Ukufakwa okuyisisekelo kungase kudingeke ngaphezu kokuhlinzekwa kwa-SELV. Bheka ku-8.1.4. Ukuze uqonde lokhu, udinga ukuqonda kuqala ukuthi yini ukuphepha kwamandla kagesi aphansi kakhulu(SELV). Sicela ubheke incazelo kanye nencazelo ye-SELV….
i-votlage yokusebenza: I-voltage ephezulu lapho ingxenye ecatshangelwayo ingaphansi kwayo lapho into esetshenziswayo ihlinzekwa nge-voltage yayo elinganiselwe futhi isebenza ngaphansi kokusebenza okujwayelekile, enezilawuli kanye nemishini yokushintsha ebekwe ukuze kukhuliswe inani QAPHELA 1 Amandla kagesi asebenzayo acabangela ama-resonant voltages. QAPHELA 2 Lapho wehliswa i-voltage esebenzayo, umthelela wama-voltages wesikhashana uyazitshwa. The rated voltage imvamisa ivolumu yokulethwa kwesampula evivinywayo,…
Isigaba somthetho 8.1.1 sisho ukuthi uphenyo kufanele lusetshenziswe lapho into esetshenziswayo “isetshenziswa okuvamile”, kuyilapho isigatshana 8.1.5 sihlolwa ngaphambi kokufakwa. Imikhiqizo efana nalena, elethwa ngezingxenye ezimbalwa, ngokuvamile idinga ukufakwa endaweni. “Phila kanye ne-nbsp;izingxenye kanye ne-nbsp;ye kanye ne-nbsp;eyakhelwe ngaphakathi kanye ne-nbsp;imishini, kanye ne-nbsp;i-fixed ne-nbsp;imishini kanye ne-nbsp; kanye ne-nbsp;imishini kanye ne-nbsp;ilethiwe kanye ne-nbsp;ngaphakathi kanye ne-nbsp;hlukanisa futhi nbsp;amayunithi, kanye…
You cannot copy content of this page