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本帖最后由 jjlamshushushu 于 2014-1-6 09:26 编辑
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关于UL5085-3短路测试,我们根据33章节进行
, _/ ^: {- \/ M- h3 G, `. T: g(即持续短路到稳定7小时为止,- @& g" f4 p" j( u1 t+ V
33.2.3 Condition A of Table 9 is to be used as the test condition
O3 Y8 A5 D6 S; o% o6 aunless the test is then interrupted by a
/ b0 C) i, Y+ `7 yprotector or burnout before 7 hours has elapsed. 2 O0 k) p9 L. [& c
The next condition in the table is then to be used.); E. Z" `/ \1 b8 y. @
! Q) X( ]+ F$ k; _0 d: d6 q而美国客户似乎是按照28章节进行(只短路1分钟),他们的回复摘录如下:
( W; r1 F$ D, w3 b0 XThe short-circuit current for each winding must be under the specified limit
8 E5 H; _$ N2 |' H" M& O" o3 zin item 2 when measured after one minute of short circuit. Immediately
C, Q4 ?6 l8 m; O0 aafter the measurement is taken, at one minute, the power is disconnected : C/ J8 f. h% K& L ^
and the dielectric withstand test is performed.
3 ?, M2 B. w7 N5 a4 R' O3 j8 O, Z! d各位大神,对这个案子,你是如何认为的?请不吝指教!先谢谢了!!!$ f2 J) t9 Y) s$ R8 D) Z7 }
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