固体绝缘创新发展：绝缘模块表面屏蔽处理技术
Long-Lasting performance in any environment,With Shielded Solid Insulation System (2SIS),固体绝缘创新发展：绝缘模块表面屏蔽处理技术,内容目录,国内外固体绝缘技术发展历程,Phenomena explanation 绝缘失效现象及其机理,老化的因素,the main causes of ageing acceleration:Electrical field due to Voltage 电场的作用 离子化（氧化），温度和潮湿（水）造成的电导率增加均加速老化进程 Increasing the ageing caused by the ionization (oxygen generation), temperature and conduction due to humidity (water)Pollution 污染 特定的化学成分引起加速老化 Some chemicals components could accelerate the ageing例如： 一氧化碳或二氧化碳可以降低表面电阻并引起表面锈蚀i.e. carbon monoxide or dioxide can decrease surface resistance and cause surface erosion.,The HV device degradation process 高压电器设备绝缘劣化过程,Flashover闪络,+,+,+,Droplet layer 水滴,Electrical stress (Voltage) 电场,Partial discharge (Corona) 局放（电晕）,O2, N2,O3, NOx,Humidity 潮湿,HNO3, Electrochemical erosion 电化学腐蚀,Local loss of hydrophobicity 憎水性丧失,Moisture film layer + leakage current increase 水膜层形成+泄露电流增大,Heating, water evaporation 热效应，水份蒸发,Dry bands arcing activity 干带起弧,Erosion path with Carbon 碳侵蚀路径产生,Tracking 起痕,SO2,+,H2SO3,H2SO4 Electrochemical erosion电化学腐蚀,NOx,Dust 污秽,insulation erosion 绝缘侵蚀,Treeing 树枝放电,Early stages of ageing due to ionization 早期阶段：离子化,Advanced stage of ageing at triple point (Conductor + Air + Isolator)发展阶段：三相交界点,End result of gaing as tracking and flashover.最终阶段：起痕，击穿闪络,The HV device degradation process 高压电器设备绝缘劣化过程,2SIS 固体绝缘表面屏蔽技术,SSIS 带屏蔽固体绝缘 vs SIS 固体绝缘,No field in ambient air 空气中无电场分布,Shield 屏蔽层,Circuit breaker/ Load Break Switch断路器/负荷开关,Field in ambient air 空气中的电场分布,No shield 无屏蔽层,Circuit breaker/ Load Break Switch断路器/负荷开关,技术优势 应用优势 极强的老化抵御能力 （水、氧气、污染） 更高长的使用寿命 更少的材料即可达到很高的绝缘水平 体积小，节省占地面积和投资 更高人员和设备的安全性 达到意外可触摸级别,固体绝缘并全屏蔽 - 空气绝缘或传统固体绝缘无法比拟的性能,安全 & 可靠,Design, process, materials and testsGuarantee hign performance and reliability 设计，工艺，材料与测试可靠性的保证,屏蔽式固体绝缘技术要求顶级设计水平和工业化能力,Accurate design 精确地设计Matured materials and advanced process 高质量的绝缘材料及制造工艺6sigma approach 严格而系统的产品质量控制,经试验论证的高可靠性，保证供电持续性,High altitude report 5000m高海拔5000米实验报告14 thermal cycles tests for key comp.所有主零件经14个周期高低温循环测试AGING Tests: Water, High-temp,High-Pressue and 4 pollutions老化试验： 同时加水、高温、高压、4种污染气体Water Immersion :96 hours 浸水试验：水下安全运行96小时,结论 Conclusion,结论 Conclusion,Long-lasting performance and extended life expectancy are guaranteed through长期持久的优异表现来自： 2SIS technology « Best in class » dielectric ageing performance 2SIS 技术- 最优的防绝缘老化性能Well-known and widely used materials, > 30 years of industrial & technological experience with Schneider Electrics R&D know-how!采用成熟的材料-施耐德研发对该材料有超过30年的工业化和技术经验Fully tested and validated products完备的试验和验证手段Highest level of quality guaranteed thanks to 6sigma methodology and permanently mastered industrial process 6 西格玛质量保证，先进的制造工艺,
