标题: 14.7 Resistance to arcing test [打印本页] 作者: caochun 时间: 2016-6-18 17:07 标题: 14.7 Resistance to arcing test 請教UL 817 以下標準的中文意思？ + W8 V' G. n7 w% G% j! B! c這抗電弧測試是否只針對連接器呢 ？0 C: [& V& d' F/ Y0 N5 |: M1 b
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14.7 Resistance to arcing test ) U1 d" j. `! H. h8 F14.7.1 The connector fittings that were subjected to 50 cycles of operation in the Overload test described * X o a- A0 `. t/ Iin 14.4 shall perform acceptably when subjected to an additional 200 cycles of operation under the7 Z0 @( E' U$ {+ s! v
overload test conditions following the temperature test and the repeated retention of plugs test.9 f2 Y- G M. P
14.7.2 Alternatively, six representative connector fittings may be subjected to the 50 cycles of operation* X, f' x5 G/ P: _7 x1 h
in the Overload test described in 14.4, followed by the Temperature test and repeated Retention of blades: k% _, E7 ?0 Y$ C& l. d$ R
test on the connector fittings, and then, to determine resistance to arcing, a second, previously untested8 w7 f" r" g% n# J& }8 r
set of connector fittings may be subjected to 250 cycles of operation under the overload-test conditions.! O+ h/ V3 b2 |0 A h% S$ N! [
14.7.3 The attachment plug used for this test may be changed after every 50 operations. There shall not + e; h" Q3 e* h0 ^* abe any sustained flaming of the material in excess of five seconds duration. There shall not be any: _3 `1 q. m. ]6 J8 t
electrical tracking or the formation of a permanent carbon conductive path that results in a dielectric 0 {. _7 ~& _4 C1 g! k; k) Obreakdown, as determined by the application of a 60 Hz essentially sinusoidal potential of 1500 V ) w; y3 y. ?% A3 e! ?8 K. S6 c作者: 炎黃 时间: 2016-7-6 13:06
Cord Connector 、Socket、Receptacle 都要做此測試作者: jeremyho88 时间: 2016-7-19 15:38
也就是带电插拔，会产生打火的效果作者: billma 时间: 2021-1-5 11:52
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。