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？ 5 H( R" _; \3 n5 g1 d K* J" v) V這抗電弧測試是否只針對連接器呢 ？4 N0 T* |! }$ I! k `
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14.7 Resistance to arcing test % c% `/ b P$ u$ M- c14.7.1 The connector fittings that were subjected to 50 cycles of operation in the Overload test described + A- z6 R# ?# Q; R8 d) n0 X! A; ^in 14.4 shall perform acceptably when subjected to an additional 200 cycles of operation under the) Y% n W2 q, ]1 L
overload test conditions following the temperature test and the repeated retention of plugs test.3 S: o1 g, }) |7 ?
14.7.2 Alternatively, six representative connector fittings may be subjected to the 50 cycles of operation0 y+ k+ T& c4 O% d
in the Overload test described in 14.4, followed by the Temperature test and repeated Retention of blades8 \* r" ^1 P, M1 g% K4 q6 W( ]
test on the connector fittings, and then, to determine resistance to arcing, a second, previously untested 9 |7 C g. R5 R& {8 M2 ]set of connector fittings may be subjected to 250 cycles of operation under the overload-test conditions.# s1 |, i$ z, I, v5 }: _! [" Q0 t
14.7.3 The attachment plug used for this test may be changed after every 50 operations. There shall not. Z I0 a6 Z1 P7 y
be any sustained flaming of the material in excess of five seconds duration. There shall not be any 2 u8 O1 n4 n j: n6 f, telectrical tracking or the formation of a permanent carbon conductive path that results in a dielectric 1 R4 b; q$ N( wbreakdown, as determined by the application of a 60 Hz essentially sinusoidal potential of 1500 V ! }* ~7 A- p+ n4 g' ^" j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。