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据我所了解的是加多一个ABNORMAL HEATING TEST(C22.2 No. 21-M95, Par. 6.16), 因为我也是接触线轴没多久，大家可以探讨一下嘛。。& R' M) s$ q7 F; z' g% f* u6 T/ \0 a' ?
一下附上一个测试方法：6 d, C: ?7 v3 v* g1 [0 @5 \
METHOD
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One sample of Model _______________ was used for this test.
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With no portion of the cord withdrawn, the sample was placed on four, single plies of cheesecloth. The cord reel was then wired to draw an overload current of _______ A, at rated voltage, on all conductors which normally carry current. The overload current was equal to 110 percent of the maximum current as limited by the [branch circuit breaker] [overcurrent protection device]. The [branch circuit breaker] [overcurrent protection device] was bypassed for this test.
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$ B/ m( _# ?& }8 s. D[ ] The metal enclosure was grounded through a 3 A fuse. u9 A4 w# H, b
/ y; p7 m3 Y. ^5 l3 Z/ ^ Four, additional, single plies of cheesecloth were then used to cover the cord reel. The test was then allowed to continue for 7 h, or until the cheesecloth ignited [or the 3 A ground fuse opened].
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[ ] The cheesecloth [did] [did not] ignite.' y3 r4 z6 d- p2 e2 C
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[ ] The ground fuse [did] [did not] open. |
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发表于 2008-9-19 15:35
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