Methods of test for the evaluation of water treeing in insulating materials
IDT IEC/TS 61956:1999
全国电气绝缘材料与系统评定标准化技术委员会(SAC/TC 112)
本标准规定了评定聚乙烯(PE)和交联聚乙烯(XLPE)复合物中水树枝化的试验方法，即评定这些复合物在交流(AC)电应力和水存在下的相关性能。标准中叙述了两种试验方法，方法Ⅰ用于评定单独绝缘材料，方法Ⅱ用于评定覆有半导电屏蔽层的绝缘复合物的绝缘夹层。
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