I-GB14711 ibeka ukuthi ibanga le-creepage kanye nokucaciswa kukagesi wama-low-voltage motors kubhekisela kulokhu: 1 ) Phakathi kwamakhondakta adlula ebusweni bezinto ezivikelayo kanye nesikhala. 2 ) Ibanga phakathi kwezingxenye ezibukhoma eziveziwe zama-voltage ahlukene noma phakathi kwama-polarity ahlukene. 3) Ibanga eliphakathi kwezingxenye ezibukhoma eziveziwe (okuhlanganisa izintambo zikazibuthe) nezingxenye (noma okungenzeka) ezisekelwe phansi lapho injini isebenza.Ibanga le-creepage kanye nokuvunyelwa kukagesi kuyahlukahluka kuye ngevelu kagesi futhi kufanele kuhambisane nezinhlinzeko zeThebula1.Okwamamotho ane-voltage elinganiselweengu-1000V nangaphezulu, igebe likagesi phakathi kwezingxenye ezibukhoma ezihlukene eziveziwe noma izingxenye ze-polarity ehlukene ebhokisini lokuhlangana naphakathi kwezingxenye ezibukhoma eziveziwe (kuhlanganise nezintambo zikagesi kagesi) kanye namakesi ensimbi angaphethe manje noma agudluzekayo kanye nebanga elivulekayo akufanele libe ngaphansi kwezidingo ezikuThebula lesi-2.
Ithebula 1Ibanga elincane lokuvunyelwa kukagesi kanye nebanga elivulekayo ngaphansi kwama-voltage ahlukene ezingxenyeni ezibukhoma zamamotho ngezansi1000V
| isihlalo se-cabin no | Izingxenye ezihlobene | I-voltage ephezulu kakhulu ehilelekile | Isikhala esincane: mm | ||||||
| Phakathi kwezingxenye zikagesi ezingenalutho ze-polarity ezahlukene | Phakathi kwensimbi engathwali yamanje kanye nezingxenye ezibukhoma | phakathi kwezindlu zensimbi ezikhiphekayo kanye nezingxenye eziphilayo | |||||||
| imvume kagesi | Ibanga le-creepage | imvume kagesi | Ibanga le-creepage | imvume kagesi | Ibanga le-creepage | ||||
| H90kanye nezinjini ezingezansi | Amatheminali | 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 | |||
| Izingxenye ngaphandle kwamatheminali, okuhlanganisa amapuleti nezigxobo ezixhunywe kumatheminali | 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 | |||
| H90noma ngaphezulu kwe-motor | Amatheminali | 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 | |||
| Izingxenye ngaphandle kwamatheminali, okuhlanganisa amapuleti nezigxobo ezixhunywe kumatheminali | 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 | |||
| * Intambo kazibuthe ibhekwa njengengxenye ebukhoma engafakwanga.Lapho i-voltage ingeqi ku-375 V, ibanga elincane elingu-2.4 mm emoyeni noma ngaphezulu liyamukeleka phakathi kwentambo kazibuthe, esekelwe ngokuqinile futhi ibanjwe endaweni yayo kukhoyili, kanye nengxenye yensimbi efile.Lapho i-voltage ingekho ku-750 V, isikhala esingu-2.4 mm siyamukeleka uma ikhoyili ifakwe ngokufanelekile noma ivalekile. | |||||||||
| Ibanga elinyakazayo phakathi kwamadivayisi ashajiwe aqinile (njengama-diode nama-thyristors emabhokisini ensimbi) nendawo yensimbi esekelayo ingaba uhhafu yenani elishiwo kuthebula, kodwa akufanele libe ngaphansi kuka-1.6mm. | |||||||||
Ithebula 2Ubuncane bokuvunyelwa kanye namabanga ama-creepage ezingxenye ezibukhoma zamamotho ngenhla1000V ngaphansi kwamandla kagesi ahlukene
| Izingxenye ezihlobene | I-voltage elinganiselwe: V | Isikhala esincane: mm | |||||
| Phakathi kwezingxenye zikagesi ezingenalutho ze-polarity ezahlukene | Phakathi kwensimbi engathwali yamanje kanye nezingxenye ezibukhoma | phakathi kwezindlu zensimbi ezikhiphekayo kanye nezingxenye eziphilayo | |||||
| imvume kagesi | Ibanga le-creepage | imvume kagesi | Ibanga le-creepage | imvume kagesi | Ibanga le-creepage | ||
| Amatheminali | 1000 | 11 | 16 | 11 | 16 | 11 | 16 |
| 1500 | 13 | amashumi amabili nane | 13 | amashumi amabili nane | 13 | amashumi amabili nane | |
| 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: Uma injini inikwe amandla, ngenxa yengcindezi yemishini noma kagesi, ukuncishiswa kwesikhala kwezingxenye eziqinile zesakhiwo akufanele kube ngaphezu kuka-10% yenani elijwayelekile. | |||||||
| Qaphela 2: Ivelu yokukhishwa kukagesi etafuleni isekelwe esimisweni sokuthi ukuphakama kwendawo yokusebenza yemoto kungeqi ku-1000m. Uma ukuphakama kudlula i-1000m, inani lokususa ugesi etafuleni lizokhuphuka ngo-3% kukho konke ukukhuphuka kwama-300m. | |||||||
| Qaphela 3: Ngocingo oluphakathi nendawo kuphela, i-voltage yolayini engenayo kuthebula ihlukaniswa ngo-√3 | |||||||
| Qaphela 4: Amanani emvume kuthebula angancishiswa ngokusebenzisa ama-partitions avikelayo, futhi ukusebenza kwalolu hlobo lokuvikela kungaqinisekiswa ngokumelana nokuhlolwa kwamandla kagesi. | |||||||
Isikhathi sokuthumela: Aug-30-2023