电绝缘材料.耐热性能.第3部分:耐热特性计算说明

[中文适用范围]： 本部分IEC 60216规定了用于从实验数据中计算热耐久特性的程序，这些数据是根据IEC 60216-1和IEC 60216-2 [1]1的说明，使用固定老化温度和可变老化时间获得的。实验数据可以通过非破坏性、破坏性或验证测试获得。从非破坏性或验证测试中获得的数据可能是不完整的，因为在达到中值时间后但在所有样品达到终点之前，可能已经终止了测量达到终点的时间。这些程序通过工作示例进行说明，并推荐使用合适的计算机程序来简化计算。 [外文原描述]： IEC 60216-3:2021 RLV contains both the official IEC International Standard and its Redline version. The Redline version is available in English only and provides you with a quick and easy way to compare all the changes between the official IEC Standard and its previous edition. IEC 60216-3:2021 specifies the calculation procedures used for deriving thermal endurance characteristics from experimental data obtained in accordance with the instructions of IEC 60216-1 and IEC 60216-2, using fixed ageing temperatures and variable ageing times. The experimental data can be obtained using non-destructive, destructive or proof tests. Data obtained from non-destructive or proof tests can be incomplete, in that it is possible that measurement of times taken to reach the end-point will have been terminated at some point after the median time but before all specimens have reached end-point. The procedures are illustrated by worked examples, and suitable computer programs are recommended to facilitate the calculations. This edition includes the following significant technical changes with respect to the previous edition: - a new computer program has been included; - Annex E " has been completely reworked.