|
楼主 |
发表于 2010-8-3 17:39
|
显示全部楼层
引用第3楼嘻嘻于2010-08-03 15:27发表的 :
+ K3 z* U& M) ?异常测试没问题。2 Y4 \ }# p6 p! o0 m$ _
如果做欧标的话,直接测试马达外壳。IEC 60335-1的附录有特别说明。 楼上指的是不是附录I,如下. 谢谢
5 ]$ e- E8 }8 M# A
6 f- t+ `2 q1 s' j3 T. yAnnex I
* G" x3 Y5 R9 s% N5 f" w(normative)
& k. m# ?; g" M$ s+ g/ o' s0 O6 | 1 v4 w1 a& L6 ^; w4 j0 s8 j2 ]
Motors having basic insulation that is inadequate for the , y9 m* e% z1 P) p8 |3 T, G
rated voltage of the appliance - ]2 t/ x+ s3 b1 ?
+ W/ P* ]: H+ ]" S7 {$ j
The following modifications to this standard are applicable for motors having basic insulation
( b5 o) y5 u/ I6 Qthat is inadequate for the rated voltage of the appliance.
7 i# G% W+ X$ c8 Protection against access to live parts , p3 R; t" m C3 G
8.1 NOTE Metal parts of the motor are considered to be bare live parts.
' F" }: ]' K6 Z% ~5 ?9 i. y3 [11 Heating B6 }- |6 Z+ @" q$ V5 V$ ~7 s
11.3 The temperature rise of the body of the motor is determined instead of the temperature 9 P9 d1 U; ~) B* O
rise of the windings. 0 b1 {1 v" X: F2 q% {$ J: q
11.8 The temperature rise of the body of the motor, where it is in contact with insulating + c2 O' ^+ e- f) I2 N5 s
material, shall not exceed the values shown in table 3 for the relevant insulating material. |
|