Results 11 to 20 of about 851,729 (155)
Gaoya dianqi, 2023 GIS是现代电力系统中的重要设备，SF6因其电气强度高等特点而被广泛应用于GIS等气体绝缘设备中。GIS设备运行过程中，SF6气体状态的变化会影响设备的局部放电。为了考察气体气压、温度与湿度对于SF6局部放电的影响，搭建了气体气压、温度与湿度可调的局部放电测试平台，利用特高频法与脉冲电流法测量了不同气压、温度与湿度下的局部放电起始电压与局部放电发展特性。试验结果表明，局部放电起始电压随气压升高而升高、随湿度升高先下降后上升以及随温度升高而升高。同时对局部放电基本特性随气压 ...
李军浩 +5 more
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Gaoya dianqi, 2022 高端换流变及防火墙区域作为特高压换流站重要的电气功能区域，具有设备跨度大，结构高耸，抗震性能要求高等特点。以西南地区某±800 kV换流站为研究对象，首先结合模态分析研究了高端换流变及防火墙上电气设备抗震薄弱环节，然后对±800 kV换流变及防火墙上的±500 k V避雷器、互感器、绝缘子等设备进行抗震分析，得到设备应力、位移等响应。分别对高压换流变及防火墙上电气设备进行了隔震设计及减震设计，最后开展了9度设防地震作用下各设备结构整体的地震响应计算，对比分析了隔震、减震前后各电气设备套管关键部位的应力 ...
孙宇晗, 程永锋, 卢智成, 高坡
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Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Piezocatalysis has garnered unprecedented research enthusiasm for applications in energy and environmental fields, as it can harvest the tiny vibration energy from the natural environment and convert it into electrical energy to drive catalytic reactions.
Feixue Gao +9 more
wiley +1 more source
Rare Metals, Volume 45, Issue 4, April 2026.ABSTRACT Moisture‐enabled electricity generation technology offers a new paradigm for sustainable energy harvesting, but its practical applications are still limited by issues such as low output power and insufficient long‐term stability. In this paper, an asymmetric sandwich‐structured hydrogel moist–electric generator (SSHMEG) with an ion ...
Peng Chen +7 more
wiley +1 more source
Rare Metals, Volume 45, Issue 2, February 2026.ABSTRACT Developing low‐energy‐input electrocatalytic systems for efficient hydrogen production is crucial for advancing sustainable energy technologies. The overall hydrazine splitting (OHzS) has emerged as a promising strategy to reduce the overall energy consumption by replacing the sluggish oxygen evolution reaction.
Haozhou Chen +13 more
wiley +1 more source
Rare Metals, Volume 45, Issue 1, January 2026.ABSTRACT Moist‐electric generators (MEGs) harness energy from ubiquitous ambient humidity, which has emerged as a promising way to collect energy irrespective of location and time. This study presents a high‐performance MEG employing a bilayer Janus nanofiber membrane: a hydrophilic layer (lithium chloride/citric acid/polyvinyl alcohol) for enhanced ...
Peng Chen +7 more
wiley +1 more source
New Directions for Child and Adolescent Development, Volume 2026, Issue 1, 2026.Background Working memory updating is crucial in bilingual children′s second language (L2) reading comprehension. A robust updating ability is a cognitive key for children to successfully master L2 reading comprehension. Objective This study is aimed at investigating the effect of updating ability on the L2 Chinese reading comprehension among Uyghur ...
Guangxin Li +3 more
wiley +1 more source
Gaoya dianqi, 2010 研究分析了运行中SF6高压电气设备水分超标的原因:SF6气体新气的水分不合格、设备充入SF6气体时带进水分、绝缘件带入的水分、吸附剂带入的水分、透过密封件渗入的水分、断路器的泄漏点渗入的水分。通过现场处理及维修设备经验,提高了应用SF6高压电气设备水分超标现场处理的技术,保证了SF6高压电气设备的安全运行可靠性。
吴冷, 毛宏智
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Gaoya dianqi, 1996 这是由中国建筑工业出版社购买版权,在中国首次出版德国西门子股份有限公司的电气安装技术方面的书籍。 该书详细介绍了德国西门子（SIEMENS）股份公司的电气设备及全面综合的电气安装技术。全书分上、下两册。上册主要介绍供电和配电技术,其中包括建筑电气安装中的高低压电网;三相交流电网中短路电流计算;电网保护;高压开关设备;开关设备近距离控制和主控技术;变压器;测量互感器;低压开关设备与低压配电装置;变电站;接地设备;备用电源设备 ...
余永祯
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Dianci bileiqi, 1982 苏联电气工业从1972年起,已开始供应电压750千伏交流成套设备;自1981年起,开始供应电压1150千伏交流成套电气设备。下面简要介绍苏联特高压1150千伏交流成套电气设备的研制状况。为了输送1150千伏交流电,苏联电气工业部的科研单位和生产企业研究、制造 ...
张国钧
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