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[标准学习] 14.7 Resistance to arcing test

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发表于 2016-6-18 17:07 | 显示全部楼层 |阅读模式
广东安规检测
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請教UL 817 以下標準的中文意思?
3 X! P, n7 w* o2 |  g1 Q這抗電弧測試是否只針對連接器呢 ?
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14.7 Resistance to arcing test
+ |( J* \" D! K* r$ g, o! d14.7.1 The connector fittings that were subjected to 50 cycles of operation in the Overload test described
. Y3 M* L$ h. c' Q8 q' t5 l' Jin 14.4 shall perform acceptably when subjected to an additional 200 cycles of operation under the8 |6 T* Z) p" n( D5 F8 d2 P# z7 J9 T
overload test conditions following the temperature test and the repeated retention of plugs test.  D7 ?- b1 E# T; V2 {& }, z9 _
14.7.2 Alternatively, six representative connector fittings may be subjected to the 50 cycles of operation
% E, I* ]5 y7 i7 T; J; nin the Overload test described in 14.4, followed by the Temperature test and repeated Retention of blades+ X, G8 j; \# [; V& L; c/ }2 _! B* `& E" D
test on the connector fittings, and then, to determine resistance to arcing, a second, previously untested
& D0 g$ i/ Z3 t: tset of connector fittings may be subjected to 250 cycles of operation under the overload-test conditions.) O. Z* i. U+ \3 T0 o: c) `$ T) J
14.7.3 The attachment plug used for this test may be changed after every 50 operations. There shall not
0 c7 W: _5 L8 xbe any sustained flaming of the material in excess of five seconds duration. There shall not be any
! _- x. E- n! u4 Uelectrical tracking or the formation of a permanent carbon conductive path that results in a dielectric
- u/ u, W8 ]) S. ]  `) F& c% Z$ L' pbreakdown, as determined by the application of a 60 Hz essentially sinusoidal potential of 1500 V

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发表于 2016-7-6 13:06 | 显示全部楼层
Cord Connector 、Socket、Receptacle 都要做此測試
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发表于 2016-7-19 15:38 | 显示全部楼层
也就是带电插拔,会产生打火的效果
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发表于 2021-1-5 11:52 | 显示全部楼层
这250下插拔看打火烧灼叫抗电弧还好理解,前面14.4小节50下叫过载,这词意太牵强了。
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