GB14711 qhia tias qhov kev ncua deb thiab hluav taws xob tshem tawm ntawm cov tshuab hluav taws xob qis xa mus rau: 1) Nruab nrab ntawm cov conductors dhau los ntawm qhov chaw ntawm cov khoom siv insulating thiab qhov chaw.2) Qhov kev ncua deb ntawm qhov chaw nyob ntawm qhov sib txawv ntawm qhov sib txawv lossis ntawm qhov sib txawv polarities.3) Qhov kev ncua deb ntawm qhov chaw nyob (xws li cov hlau nplaum hlau) thiab cov khoom uas yog (lossis tej zaum yuav) hauv av thaum lub cev muaj zog ua haujlwm.Lub creepage nrug thiab hluav taws xob clearance sib txawv raws li tus nqi voltage thiab yuav tsum ua raws li cov kev cai ntawm Table1.Rau motors nrog ib tug ntsuas voltagentawm 1000V thiab saum toj no, cov hluav taws xob sib txawv ntawm qhov sib txawv ntawm qhov chaw nyob lossis qhov sib txawv ntawm cov polarity nyob rau hauv lub thawv sib txuas thiab nruab nrab ntawm qhov chaw nyob (xws li cov xov hlau hluav taws xob) thiab cov hlau tsis muaj tam sim no lossis cov hlau txav tau thiab qhov creepage nrug yuav tsum tsis txhob muaj. tsawg dua li qhov yuav tsum tau muaj hauv Table 2.
Table 1Qhov tsawg kawg nkaus hluav taws xob clearance thiab creepage nrug nyob rau hauv txawv voltages rau nyob qhov chaw ntawm motors hauv qab no1000V
| cabin seat no | Muaj feem cuam tshuam | Qhov siab tshaj qhov hluav taws xob cuam tshuam | Qhov nrug tsawg kawg nkaus: mm | ||||||
| Nruab nrab ntawm liab qab hluav taws xob Cheebtsam ntawm txawv polarities | Nruab nrab ntawm cov hlau tsis muaj tam sim no thiab cov khoom nyob | nruab nrab ntawm tshem tau hlau vaj tse thiab nyob qhov chaw | |||||||
| hluav taws xob clearance | Creepage nrug | hluav taws xob clearance | Creepage nrug | hluav taws xob clearance | Creepage nrug | ||||
| H90thiab hauv qab motors | Terminals | 31-375 : kuv | 6.3 | 6.3 | 3.2 | 6.3 | 3.2 | 6.3 | |
| 375-750 : kuv | 6.3 | 6.3 | 6.3 | 6.3 | 9.8 ib | 9.8 ib | |||
| Qhov chaw uas tsis yog cov terminals, nrog rau cov phaj thiab cov ncej txuas nrog cov terminals | 31-375 : kuv | 1.6 | 2.4 | 1.6 | 2.4 | 3.2 | 6.3 | ||
| 375-750 : kuv | 3.2 | 6.3 | 3.2* | 6.3* | 6.3 | 6.3 | |||
| H90los yog saum toj no lub cev muaj zog | Terminals | 31-375 : kuv | 6.3 | 6.3 | 3.2 | 6.3 | 6.3 | 6.3 | |
| 375-750 : kuv | 9.5 ib | 9.5 ib | 9.5 ib | 9.5 ib | 9.8 ib | 9.8 ib | |||
| Qhov chaw uas tsis yog cov terminals, nrog rau cov phaj thiab cov ncej txuas nrog cov terminals | 31-375 : kuv | 3.2 | 6.3 | 3.2* | 6.3* | 6.3 | 6.3 | ||
| 375-750 : kuv | 6.3 | 9.5 ib | 6.3* | 9.5 ib* | 9.8 ib | 9.8 ib | |||
| * Cov hlau nplaum hlau yog suav tias yog ib qho tsis muaj insulated nyob.Qhov twg qhov hluav taws xob tsis tshaj 375 V, qhov tsawg kawg nkaus ntawm 2.4 hli los ntawm huab cua los yog saum npoo yog siv tau ntawm cov hlau nplaum hlau, uas yog ruaj khov thiab tuav hauv qhov chaw ntawm lub kauj, thiab cov hlau tuag.Qhov twg qhov hluav taws xob tsis tshaj 750 V, qhov sib nrug ntawm 2.4 hli tuaj yeem siv tau thaum lub kauj tau tsim nyog impregnated lossis encapsulated. | |||||||||
| Qhov kev ncua deb ntawm cov khoom siv them nqi (xws li diodes thiab thyristors hauv cov thawv hlau) thiab cov hlau txhawb nqa tuaj yeem yog ib nrab ntawm tus nqi teev hauv lub rooj, tab sis yuav tsum tsis pub tsawg dua 1.6 hli. | |||||||||
Rooj 2Yam tsawg kawg nkaus clearances thiab creepage nrug ntawm nyob qhov chaw ntawm motors saum toj no1000V nyob rau hauv qhov sib txawv voltages
| Muaj feem cuam tshuam | Rated voltage: V | Qhov nrug tsawg kawg nkaus: mm | |||||
| Nruab nrab ntawm liab qab hluav taws xob Cheebtsam ntawm txawv polarities | Nruab nrab ntawm cov hlau tsis muaj tam sim no thiab cov khoom nyob | nruab nrab ntawm tshem tau hlau vaj tse thiab nyob qhov chaw | |||||
| hluav taws xob clearance | Creepage nrug | hluav taws xob clearance | Creepage nrug | hluav taws xob clearance | Creepage nrug | ||
| Terminals | 1000 | 11 | 16 | 11 | 16 | 11 | 16 |
| 1500 | 13 | nees nkaum plaub | 13 | nees nkaum plaub | 13 | nees nkaum plaub | |
| 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 | |
| Lus Cim 1: Thaum lub cev muaj zog, vim muaj kev ntxhov siab ntawm cov khoom siv lossis hluav taws xob, qhov sib nrug ntawm cov txheej txheem nruj yuav tsum tsis txhob ntau tshaj 10% ntawm tus nqi qub. | |||||||
| Lus Cim 2: Tus nqi hluav taws xob tshem tawm hauv lub rooj yog raws li qhov yuav tsum tau ua kom qhov siab ntawm lub tshuab ua haujlwm tsis tshaj 1000m.Thaum qhov siab tshaj 1000m, tus nqi hluav taws xob tshem tawm hauv lub rooj yuav nce 3% rau txhua 300m nce. | |||||||
| Lus Cim 3: Rau cov hlau nruab nrab nkaus xwb, cov kab hluav taws xob tuaj hauv lub rooj yog muab faib los ntawm √3 | |||||||
| Lus Cim 4: Cov txiaj ntsig kev tshem tawm hauv lub rooj tuaj yeem raug txo los ntawm kev siv cov khoom siv insulating, thiab kev ua haujlwm ntawm kev tiv thaiv zoo li no tuaj yeem raug txheeb xyuas los ntawm kev ntsuas qhov ntsuas hluav taws xob. | |||||||
Post lub sij hawm: Aug-30-2023