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引用第3楼嘻嘻于2010-08-03 15:27发表的 :% D; p7 Y' U7 e3 C: Z. y) m$ p7 C. y
异常测试没问题。
0 i) _ o8 B% @4 q4 J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# z( ]% L+ g; m4 r/ J; c+ s* Q
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Annex I
* I& Y9 t' B# N3 U+ w3 X9 n% G(normative) & r. J0 q$ _. _0 a: }
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Motors having basic insulation that is inadequate for the ) Q% p+ r8 e! L% O
rated voltage of the appliance ( z( ] f! r: A) s8 D% V- M
. M" ?' ~' P/ s/ r! VThe following modifications to this standard are applicable for motors having basic insulation
9 L4 G! W4 M. G! U; w/ ?. K/ D- n% y7 sthat is inadequate for the rated voltage of the appliance.
( \5 o0 F6 t2 N% B/ b8 Protection against access to live parts
& M' n$ c: y4 g' @$ `3 K. J( X8.1 NOTE Metal parts of the motor are considered to be bare live parts.
, P3 h+ c* F, k11 Heating
8 V$ _1 c* J& \11.3 The temperature rise of the body of the motor is determined instead of the temperature 6 s7 r3 q, y) X3 P& j
rise of the windings.
9 L* y4 V) A* P( [0 Q# _11.8 The temperature rise of the body of the motor, where it is in contact with insulating 5 c3 p9 l1 D8 O$ R1 _9 G0 v
material, shall not exceed the values shown in table 3 for the relevant insulating material. |
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