|
|
|  DSH 470" h, Z3 a9 u# M
& V5 x4 i$ M) t, i4 R( ^ | Abnormal operation Appendix B
' c5 b, ?7 X- C0 u- U6 u | B19.101 to B19.1031 J/ G: b- Y2 |7 P9 i' o
| 60335-1(ed.2)# i" y2 {3 Y6 ^) ?8 F& n
|
9 C( o/ H5 u( |0 N9 T! h4 B
Standard: IEC 60335-1:1976, 2nd Ed.. \! o5 L. E8 } S
Sub clause: B19.101 to B19.103
% e5 _5 b8 V& ?( M2 GSheet No. DSH 470
) z) U4 X+ o. e* o! d& b6 cSubject: Abnormal operation Appendix B
3 Q' s* U- r x" x3 TKey words: - electronic controls - electronic components, E, n: ]1 D7 A n3 H* x
Decision taken at the 40th CTL meeting 2003
' A# s% G+ a2 ]$ x# A7 U* G' N1 wQuestion:
0 v) B) c: o8 h1 ?( f$ v' vHow are the test results evaluated when testing speed control units for series motors?, M J' j0 g' @9 \3 |
Rationale:, \( j! f6 z8 S p( R! c- d1 {
See question.
3 \1 }/ M) i% X$ G8 h0 ^( k1 jDecision:, e" C; C0 _' ^8 S
Rapid reversal of the motor rotation and jumping of the appliance during short-circuiting of2 b! C8 ]; o" U* C$ c) t) g
the electronic control is checked during 1 complete cycle. The fault is introduced from the
- T" X% u- @4 [8 Mbeginning. The jumping is judged for the possible mechanical risk. After the test the" e, D5 I# l% ?4 A+ m
appliance is checked for consequential faults or breaks.3 y6 V3 |% V5 I& a
p2 W6 ]3 ~! a# Q7 b
* M* n' i+ Z- V* d) L |
本帖子中包含更多资源
您需要 登录 才可以下载或查看，没有账号？注册安规
x
|
|关于安规|小黑屋|安规QQ群|Archiver|手机版|安规网
( 粤ICP13023453-10 ) 
窥视卡
雷达卡
发表于 2012-9-12 12:59
提升卡
置顶卡
沉默卡
喧嚣卡
变色卡
抢沙发
千斤顶
显身卡
