Gaoya dianqi干式空心电抗器的温度场研究对电抗器的设计和制造至关重要。文中对大容量干式空心并联电抗器，采用电磁—流热多物理场耦合方法，考虑了温度对铝导线电导率的影响，建立了包含星型架、撑条和包封绝缘的三维电抗器有限元仿真模型。对于110 kV输电系统中BKGKL-40000/110电抗器进行了仿真分析，分析结果表明电抗器温度分布总体呈现上高下低的趋势，在电抗器上部中心的空气流速最高，将结果与试验测温结果相比较，两者较为接近，说明了仿真方法的准确性。此外，对加设防雨罩后的电抗器仿真结果进行了分析比较 ...
沈霈宸 +4 more
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Gaoya dianqi, 2013 提出并实现了一种可与隔离断路器集成为一体的电子式电流互感器新型结构,介绍了产品的原理、结构及性能测试试验情况。产品利用空心线圈传感保护电流信号、低功率CT传感测量电流信号、远端模块就地采集空心线圈及低功率CT的输出信号、悬式光纤绝缘子保证绝缘并传输信号,具有绝缘结构简单可靠、体积小、质量小、测量准确度高、动态范围大、暂态特性好等特点。性能测试试验表明产品的测量准确度、温度特性及抗电磁干扰特性等关键性能满足入网运行要求。产品与隔离断路器集成为一体,能有效减小变电站的占地面积 ...
罗苏南 +5 more
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Guangtongxin yanjiu, 2007 光纤光路资源管理是电信网络资源管理的核心,实现光纤光路资源的科学管理是现代通信网络建设的趋势。基于优秀的国产地理信息系统（GIS）平台——MAPGIS设计的光纤光路资源管理系统,有效结合了光纤光路的空间分布特点和地理信息系统在空间信息表达上的优势,不仅实现了对光纤光路的空间及属性数据的动态管理,还可支持图形化的光纤光路配置,便于光纤网络规划和维护,极大地提高了光纤光路资源管理效率。
黄海博, 罗津
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[Effectiveness analysis of using an orthopedic broken screw hollow saw in management of accidentally sutured surgical drains]. [PDF]
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