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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。。& I, @+ C, e4 `6 o$ M
一下附上一个测试方法：/ ?- k1 r( A$ d) K6 k d A
METHOD9 }/ Z) n7 O$ f: Q) W5 k% M' h
0 @" E$ n8 l; J# A One sample of Model _______________ was used for this test.
L6 [5 B- a, U7 `0 O
, p$ w8 u$ o! k1 c With no portion of the cord withdrawn, the sample was placed on four, single plies of cheesecloth.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./ \, y$ l! p1 f/ s6 L4 P
6 G* y6 D3 K) Y1 x- r5 o[ ] The metal enclosure was grounded through a 3 A fuse.
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8 ]) a/ [8 _$ ^% _( U 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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RESULTS
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/ {4 s7 X' E L. o s: r8 G[ ] The cheesecloth [did] [did not] ignite.
8 a6 B8 p" t! A8 R" S$ }
. O6 v2 {* h3 K[ ] The ground fuse [did] [did not] open. |
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