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
of breakdown measurements the number of edge breakdowns, implying discharge-initiated breakdowns, should be considered.
Note 1Two techniques are in use in the industry for testing specimens for dielectric breakdown voltage. In one, the test is made with the electrodes and test specimen submerged in the impregnating liquid while in the other the electrodes are not submerged, that is, the specimen is tested in air. Much data has been accumulated using the latter technique. These techniques yield
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09/08 06:24