I-GB14711 ichaza ukuba umgama we-creepage kunye nokukhutshwa kombane we-low-voltage motors kubhekiselele: 1 ) Phakathi kwee-conductors ezidlula phezu kwendawo yokukhusela kunye nendawo. I-2 ) Umgama phakathi kweendawo eziphilayo eziveziweyo zombane ohlukeneyo okanye phakathi kwe-polarity ezahlukeneyo. 3) Umgama phakathi kweendawo eziphilayo eziveziweyo (kuquka iingcingo zemagnethi) kunye neenxalenye ezi (okanye ezinokuba) zisekelwe xa injini isebenza.Umgama we-creepage kunye nokukhutshwa kombane kuyahluka ngokwexabiso lombane kwaye kufuneka lihambelane nezibonelelo zeThebhile1.Ngeenjini ezinomthamo olinganisiweyoye-1000V nangaphezulu, izithuba zombane phakathi kweendawo ezahlukeneyo eziphilayo eziveziweyo okanye iinxalenye zepolarity eyahlukileyo kwibhokisi yokudityaniswa naphakathi kwendawo ephilayo (kubandakanywa neengcingo zombane) kunye nentsimbi engathwaliyo yangoku okanye iicasing zentsimbi ezihambayo kunye nomgama wecreepage awufanele ube. ngaphantsi kweemfuno kwiThebhile 2.
Uluhlu loku-1Ubuncinci bokucoceka kombane kunye nomgama ohambahambayo phantsi kombane ohlukeneyo kwiindawo eziphilayo zeenjini ezingezantsi1000V
isihlalo cabin no | Amalungu anxulumeneyo | Owona mbane uphezulu ubandakanyekayo | Ubuncinci bezithuba: mm | ||||||
Phakathi kwezinto ezingenanto zombane zeepolarities ezahlukeneyo | Phakathi kwesinyithi esingathwaliyo okwangoku kunye neenxalenye eziphilayo | phakathi kwezindlu zentsimbi ezisuswayo kunye neendawo eziphilayo | |||||||
ukukhutshwa kombane | Umgama weCreepage | ukukhutshwa kombane | Umgama weCreepage | ukukhutshwa kombane | Umgama weCreepage | ||||
H90kwaye ngaphantsi kweenjini | Izikhululo | 31-375 | 6.3 | 6.3 | 3.2 | 6.3 | 3.2 | 6.3 | |
375~750 | 6.3 | 6.3 | 6.3 | 6.3 | 9.8 | 9.8 | |||
Amacandelo ngaphandle kweetheminali, kubandakanywa iipleyiti kunye nezithuba eziqhagamshelwe kwiitheminali | 31-375 | 1.6 | 2.4 | 1.6 | 2.4 | 3.2 | 6.3 | ||
375~750 | 3.2 | 6.3 | 3.2* | 6.3* | 6.3 | 6.3 | |||
H90okanye ngaphezulu kwemoto | Izikhululo | 31-375 | 6.3 | 6.3 | 3.2 | 6.3 | 6.3 | 6.3 | |
375~750 | 9.5 | 9.5 | 9.5 | 9.5 | 9.8 | 9.8 | |||
Amacandelo ngaphandle kweetheminali, kubandakanywa iipleyiti kunye nezithuba eziqhagamshelwe kwiitheminali | 31-375 | 3.2 | 6.3 | 3.2* | 6.3* | 6.3 | 6.3 | ||
375~750 | 6.3 | 9.5 | 6.3* | 9.5* | 9.8 | 9.8 | |||
* Ucingo lwemagnethi luthathwa njengenxalenye ephilayo engafakwanga.Apho i-voltage ingadluli kwi-375 V, umgama omncinci we-2.4 mm emoyeni okanye kumphezulu uyamkeleka phakathi kocingo lwemagnethi, oluxhaswa ngokuqinileyo kwaye lugcinwe kwindawo kwikhoyili, kunye nenxalenye yentsimbi efileyo.Apho i-voltage ingadluli kwi-750 V, isithuba se-2.4 mm siyamkeleka xa ikhoyili ifakwe ngokufanelekileyo okanye ifakwe. | |||||||||
Umgama we-creepage phakathi kwezixhobo ezihlawulisiweyo eziqinileyo (ezifana ne-diodes kunye ne-thyristors kwiibhokisi zetsimbi) kunye nesiseko sesinyithi esixhasayo sinokuba sisiqingatha sexabiso elichazwe kwitheyibhile, kodwa ayiyi kuba ngaphantsi kwe-1.6mm. | |||||||||
Itheyibhile 2Ubuncinci bokucoceka kunye nomgama ohambahambayo weendawo eziphilayo zeenjini ezingentla1000V phantsi kombane ohlukeneyo
Amalungu anxulumeneyo | Ixabiso lombane: V | Ubuncinci bezithuba: mm | |||||
Phakathi kwezinto ezingenanto zombane zeepolarities ezahlukeneyo | Phakathi kwesinyithi esingathwaliyo okwangoku kunye neenxalenye eziphilayo | phakathi kwezindlu zentsimbi ezisuswayo kunye neendawo eziphilayo | |||||
ukukhutshwa kombane | Umgama weCreepage | ukukhutshwa kombane | Umgama weCreepage | ukukhutshwa kombane | Umgama weCreepage | ||
Izikhululo | 1000 | 11 | 16 | 11 | 16 | 11 | 16 |
1500 | 13 | amashumi amabini anesine | 13 | amashumi amabini anesine | 13 | amashumi amabini anesine | |
2000 | 17 | 30 | 17 | 30 | 17 | 30 | |
3000 | 26 | 45 | 26 | 45 | 26 | 45 | |
6000 | 50 | 90 | 50 | 90 | 50 | 90 | |
10000 | 80 | 160 | 80 | 160 | 80 | 160 | |
Qaphela 1: Xa i-motor inikwe amandla, ngenxa yoxinzelelo lomatshini okanye lombane, ukucuthwa kwezithuba kwiindawo eziqinileyo zesakhiwo akufanele kube ngaphezu kwe-10% yexabiso eliqhelekileyo. | |||||||
Qaphela 2: Ixabiso lokucocwa kombane kwitheyibhile lisekelwe kwimfuno yokuba ukuphakama kwendawo yokusebenza yemoto ayidluli kwi-1000m. Xa umphakamo ungaphezu kwe-1000m, ixabiso lokucocwa kombane kwitheyibhile liya kunyuka nge-3% ngokunyuka kwe-300m nganye. | |||||||
Qaphela 3: Ngocingo olungathathi hlangothi kuphela, i-voltage yomgca engenayo kwitheyibhile ihlulwe ngu-√3 | |||||||
Inqaku lesi-4: Amaxabiso ococeko etafileni anokuncitshiswa ngokusebenzisa izahlulo ze-insulating, kwaye ukusebenza kolu hlobo lokhuseleko kunokuqinisekiswa ngokumelana novavanyo lwamandla ombane. |
Ixesha lokuposa: Aug-30-2023