DSH 470 Abnormal operation Appendix B

小米

广东安规检测
有限公司提供：

小型摆管淋雨试验机

IPX5X6X7喷水试验机

1000L恒温恒湿箱

各种试验指现货

可程式恒温恒湿试验箱

水平垂直燃烧机

自动卷线器试验机

耐划痕试验机

各种灯头量规现货

灼热丝试验机现货

GB1002插头量规

IPX1-X7淋雨现货

IEC61347/UL935镇流器热试验箱

灯具防风罩

IK冲击试验机

UL498插头插座量规

VDE0620插头插座量规

稳定性试验台

家电温升测试角

针焰试验机现货

热电偶焊机现货

家电125mm试验指

E12灯头量规

无绳壶无绳电熨斗插拔寿命试验机

IEC60335试验指甲

DSH 470 3 g# m0 U& y& T  B: N- ]) V

Abnormal operation Appendix B

B19.101 to B19.103

60335-1(ed.2)

! }# y2 s  y4 f( j6 t* P% TStandard: IEC 60335-1:1976, 2nd Ed.
& a+ ?, w/ X8 C: d- B% u1 s: gSub clause: B19.101 to B19.103
Sheet No. DSH 470
) @2 h! [$ F3 L" }7 BSubject: Abnormal operation Appendix B
Key words: - electronic controls  - electronic components
/ h9 I% |4 K4 _8 i4 [6 eDecision taken at the 40th CTL meeting 2003
9 X  k0 [) s! v8 f' w1 GQuestion:
8 ~3 V- V: h1 {7 t  R2 \How are the test results evaluated when testing speed control units for series motors?
Rationale:
0 Z$ |' `6 q, H9 R, D) GSee question.
Decision:
Rapid reversal of the motor rotation and jumping of the appliance during short-circuiting of
the electronic control is checked during 1 complete cycle. The fault is introduced from the
: W2 y7 K  y2 d1 u+ tbeginning. The jumping is judged for the possible mechanical risk. After the test the
appliance is checked for consequential faults or breaks.
  j1 \/ q8 G8 ?% t' Z