ASTM D2413用液体介质浸渍的绝缘纸和纸板的制备与电试验的试验方法_防火测试中心_防火资源网

ASTM D2413用液体介质浸渍的绝缘纸和纸板的制备与电试验的试验方法
日期:2012-02-10 10:49
od for Dielectric Breakdown Voltage and Dielectric Strength of Solid Electrical Insulating Materials at Commercial Power Frequencies:
A comprehensive discussion of the significance of the dielectric strength test as applied to solid, semi-solid, and liquid materials is given in Appendix X1 of Test Method D149. Other factors peculiar to high-quality composite insulations, such as oil-impregnated papers, are considered in the following:
In tests involving high electrical stresses, immersion of cr

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