1、 l : 2010- 11- 16GB4793null1- 2007S W # 邓振进(湖南省医疗器械与药用包装材料 (容器) 检测所, 湖南长沙 410001)null m s | null TH77 null D S M null A null c I | null 1002- 2376 (2011) 01- 0009- 04nullK 1 null本文介绍了 GB4793null1中电气间隙和爬电距离定义a影响因素以及测量方法bnull1 o M null电气间隙; 爬电距离; 瞬态过电压; 绝缘类型; 基本绝缘; 辅助绝缘; 加强绝缘; 漏电起痕指数b W # I 1 S b T V
2、l , W a q T W , P a T , # T a q W W # V l , 3 W / W P , V ? P P 9 F , T , B ) 2b( 2) Z y v ( ) , B W # Z s 9 b T ! ! $ ? ? 2000m Z T , 5 W # 1 V V 1 “ , “ a , S W # ? b( 3) H q , q Y 50 100 0null1 0null1 0null25 0null16 0null71 1null0 1null4 1null8 2null0 2null2 100 150 0null5 0null5 0null5 0null5 0
3、null8 1null1 1null6 2null0 2null2 2null5 150 300 1null5 1null5 1null5 1null5 1null5 2null1 3null0 3null8 4null1 4null7 300 600 3null0 3null0 3null0 3null0 3null0 4null3 6null0 7null5 8null3 9null4 1: ) K l W # : ) 2: 0null2mm; ) 3: 0null8mmb 2: ? F , F dr x1; dl W # , y1 y2s Y k? M # j , y1 K v !V ,
4、y2 K l ! , 5 y2 dl y1bm 1m 1 c B H i , z l Xa C l b t dr= AB+ BC + CD W # dl= AB+ BC+ CDb 2: S 5 k ? h q W # (m 2 W # | L , O h C W W # l 2) ) 1 p K l j 1mm)b W # | L (n m 2), h q m 2, Z E n 5 j 1mm k ? 5 C W , h = C W 1mm, k ? = C B ,B C h bW z 1mm , | B ! t , V h A C B W AB 1mm, y N 1mm, V B . C .
5、 C D s Y S 5 , | M F BC+ CD+ 1 h A q D ; 7 W # 5 V A . C b K . C D s Y S 5 , | M F AC+ CD h A q D W # bm 2m 2 h C W b# N , A I n b# b dr= AB+ BC+ CD ( AB=1mm) W # dl= AC+ CDb 3: n m 3bm 3m 3 c B H i , z v Xa C b W # ! j L , dl= AB+ BE +EFb L % Z Y , dr=AB+ BC+ CD+ DE+ EFb 4: n m 4bm 411D ! 2011 1 m
6、4 c B H z v X V b W # ! j L , dl= AB+ BG+GHb L % Z Y , X ! , dr= AC +CD+ DE+ EF+ FH ( DE= 1mm)b 5: n m 5bm 5m 5 c B H b W # V H K r bW Y ,dl= AC+ CD+ DFb H L % Z Y , dr= AB+ BC+ CD+ DE+ EFb 6: n m 6bm 6m 6 c B H T , B H z l X b W # m U ! j L , dl= dr= AB+ BC+ CDb 7: n m 7bm 7m 7 c B H T , B H z v X
7、b W # ! j L , dl= AD+ DE+EGb L % Z Y , dr=AC+ CD+ DE+ EF+ FGb 8: n m 8bm 8m 8 c B H T , B B H z l X , 6 B B H z v X b ( dr= AB+ BC+ CD+ DE) W # ( dl= AC+ CD+ DE) m 8 U b 9: n m 9bm 9m 9 Y V T l V , dr=AC+ CF+ EF+ FG+ GHb W # V K r bW ,dl= AB+ BD+ DHb 10: n m 10bm 10m 10 h C W b# z , A I n b# , dl= AC+ CDb b# v X H , V C , dr= AB +BC+ CDb 11: n m 11bm 11m 11 C B , q b W # d + Db - - - - W #3null2 Z E ( a w ) N w U S , 9 T b3null3 9 Z E ( a a a w F ) $ , y , 9 s , s K b12 M edicalEquipmentVolnull24, Nonull1
