Gaoya dianqi, 2013 交流特高压输电工程用关键设备的可靠性,是系统安全稳定运行的必要保障。此类设备的运行工况复杂,仅依靠模拟计算无法实现其性能的有效考核。针对特高压开关设备容量试验,西安高压电器研究院有限责任公司在试验参数、试验回路方面进行了大量的研究,填补了国际国内关于特高压设备容量试验的一些空白,在实施特高压试验方面积累了一定经验。研究表明,对于断路器必须实施T100a和T100s（b）整极试验才能实现对其零区热效应及断口之间、母线对壳体之间的有效考核;容性电流试验中,压升必须满足标准要求才能有效考核短燃弧 ...
孙梅 +6 more
doaj
Dianci bileiqi, 2012 电容-压敏双功能材料(SrTiO3系、TiO2系、WO3系、CaCu3Ti4O12系)因各自的优异性能,在科学研究和实际应用中先后成为研究的热点。笔者回顾电容-压敏双功能材料的发展历史,详细介绍了目前国内外研究最多的电容-压敏双功能材料的结构特征和研究进展,并讨论了今后的研究方向:基础理论的研究;对电容-压敏陶瓷进行复合掺杂,改善其综合性能;超低压、双功能方向研究。
焦雷, 姜斌, 柏松, 徐东
doaj
Gaoya dianqi为避免覆冰引起线路跳闸事故，且在融冰时不影响线路运行，论文研发了特高压线路地线和光纤复合架空地线（OPGW）的带电融冰系统，包含融冰电源、融冰装置、过电压保护系统、OPGW与地线回路。开展了OPGW/地线融冰参数校核、融冰装置参数校核，换流变压器、平波电抗器、桥臂过电压保护器选型，融冰线路绝缘化改造和绝缘配合设计，研发了特高压线路OPGW带电融冰系统。现场实测表明，融冰回路双端开路时，OPGW/地线感应电压可达13.7 kV，融冰回路单端接地时，感应电压降低至0.6 kV。计算表明 ...
张璐 +8 more
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Zhongguo Dang Dai Er Ke Za ZhiZou RM, Wang C.
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