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首先要弄清楚一点:
LZ测的是高温绝缘电阻,这个应该是没有问题的。
高温绝缘电阻怎样测呢?
C 3005-1993有如下规定:
9.2 Insulation resistance at high temperature: Sample a suitable length of a core specimen from the product, immerse it in water at a spesified temperature +-1 C, until the temperature of the insulation is stabilized, and then measure the insulation resistance by the method of 9.1. Do not carry out temperature conversion.
这段话中,抽取的是CORE SPECIMEN,参考国标70C绝缘电阻测试方法,这指的应该是芯线。
最好是翻阅日文版C 3005上面规定的很清楚。不过我不懂日文--- |
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