ASTM D2307薄膜绝缘磁性圆电线热稳定性用标准试验方法
日期:2012-02-10 10:46
this possibility when interpreting the results obtained by heating in air with respect to applications where the wire will not be exposed to air in service.
1.5 It is possible that electric stress applied for extended periods at a level exceeding or even approaching the discharge inception voltage will change significantly the thermal endurance of film insulated wires. Under such electric stress conditions, it is possible that comparisons between materials will also differ from those developed u
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