In many industrialized high voltage applications, polymeric insulators are subjected to high electric field strength. Examples are cables, gas-insulated switchgears (GIS), capacitors and others [1]. The difficulty in the design process of these components is to ensure and predict their long-term reliability, where one among the important aspects is prevention of local degradation phenomena. Applications in which a combination of different solid dielectric materials are utilized, such as in cable joints or dry-type terminations are also becoming more common in the strive for achieving long lasting and maintenance free components. It is thus crucial that such components are also designed for longevity and faultless operation. This involves ensuring proper physical and chemical cleanliness of the used materials, but also optimizing component geometry with regards to local enhancements of electric field.

中文翻译：

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考虑材料细观结构对电缆界面电荷注入的影响

在许多工业化高压应用中，聚合物绝缘体要承受高电场强度。例如电缆、气体绝缘开关设备 (GIS)、电容器等 [1]。这些组件设计过程中的难点在于确保和预测其长期可靠性，其中重要方面之一是防止局部退化现象。使用不同固体介电材料组合的应用，例如在电缆接头或干式终端中，在努力实现持久和免维护组件的过程中也变得越来越普遍。因此，至关重要的是，此类组件还应设计用于长寿和无故障运行。这包括确保所用材料的适当物理和化学清洁度，