±500kV输电线路,±500 kV transmission line
1)±500 kV transmission line±500kV输电线路
1.Using Three-Gorges to Shanghai±500 kV transmission line project in Hubei (Yue 2 section) as an example, through technical and economic comparison, the "running over the forest" scheme turns out to be more economical than "chopping through the forest" scheme and can save up to 10.以三峡至上海±500kV输电线路工程在湖北境内线路(鄂2标段)为实例,通过对过林区砍、跨方案技术经济比较,跨树方案所需砍伐费和植被恢复费较少,与砍树方案相比仍有一定经济性,线路可节省投资约1039万元,同时线路在经过林区时采用跨树方案,对森林保护、生态环境保护都有积极的意义,因此跨树方案不仅有较好的经济性,同时还有着显著的社会效益。
2)500 kV transmission line500kV输电线路
1.ArcGIS-based Value-added application development for500 kV transmission line information management systems;基于ArcGIS技术的500kV输电线路信息管理系统的增值应用开发
2.In the light of the difficulties in the replacement of tension-resistant insulator string of500 kV transmission line,such as the difficult fix of working tool,the complicate procedure,the limited operation space and the difficulties in the dismantle of bowel plate,etc,a new idea of shifting the tension of transmission line by using of double interconnection plate was put forward.针对目前500kV输电线路更换耐张绝缘子串二种施工方法存在着工具安装困难、操作程序过多、操作空间狭小、碗头挂板拆卸困难、工作效率十分低下的问题,提出了用二联板转移导线张力的新思路。
英文短句/例句
1.Application of on-line monitoring system for 500 kV transmission line in North China500kV输电线路在线监测系统应用
2.Analysis of Icing-Caused Conductor Galloping for 500 kV Transmission Line and Its Prevention500kV输电线路覆冰舞动跳闸原因与对策
3.Analysis of Lightning Stroke Fault on 500kV Transmission Line500kV输电线路雷击跳闸故障分析
4.Faults Analysis and Prevention of Lightning Stroke on 500kV Transmission Lines in Hubei Power Grid湖北500kV输电线路雷击故障分析及防治
5.Measurement and research of the zero sequence impedance of the 500 kV transmission line500kV输电线路零序阻抗的测量及研究
6.Resetting uneven settlement foundation of 500kV transmission lines500kV输电线路不均匀沉降基础平推复位
7.Construction of 2-Column Type Tubular Steel Tower for 500 kV Lines500kV输电线路两柱式钢管塔施工
8.Reason Analysis and Countermeasures of Overhead Insulation Grounding Line Drop Accident of 500kV Transmission Line.500kV输电线路架空绝缘地线掉线原因分析及对策
9.Small-scale Model Experimental Study on Lightning Shielding Performance of 500 kV Transmission Lines in Moutain Area山区500kV输电线路雷电屏蔽性能模型试验研究
10.The Study on System Integration Technical and Engineering Design of 500kV Series Compensation Equipment;500kV输电线路串补装置集成与工程方案研究
11.Study on the Lightning Overvoltage Performance for 500kV Yafu Transmission Line in Guizhou;贵州500kV鸭福输电线路雷电过电压研究
12.Calculation of Induced Voltage by Simulation Method in 500kV Transmission Line500kV架空输电线路感应电仿真计算方法
13.Electric Field Calculation of 500 kV Double Circuit Compact Transmission Line on Same Tower500kV同塔双回紧凑型输电线路电场计算
14.Study on Lightning Protection Performance for 500kV Double Circuit Transmission Line;500kV同杆双回输电线路耐雷性能研究
15.Calculation on Shielding Failure Trip-out Rate of 500 kV Transmission Lines with High Tower500kV高杆塔输电线路绕击跳闸率计算
16.Study on Anti-lightning Performance of the 500 kV Compact Transmission Line500kV紧凑型输电线路防雷性能研究
17.Analysis to Compensated Stable Control Engineering of 500 kV Long Power Transmission Line500kV长距离输电线路串补稳控分析
18.NUMERICAL SIMULATION OF WINDAGE YAW OF 500KV UHV TRANSMISSION LINES500kV超高压输电线路风偏数值模拟研究
相关短句/例句
500 kV transmission line500kV输电线路
1.ArcGIS-based Value-added application development for500 kV transmission line information management systems;基于ArcGIS技术的500kV输电线路信息管理系统的增值应用开发
2.In the light of the difficulties in the replacement of tension-resistant insulator string of500 kV transmission line,such as the difficult fix of working tool,the complicate procedure,the limited operation space and the difficulties in the dismantle of bowel plate,etc,a new idea of shifting the tension of transmission line by using of double interconnection plate was put forward.针对目前500kV输电线路更换耐张绝缘子串二种施工方法存在着工具安装困难、操作程序过多、操作空间狭小、碗头挂板拆卸困难、工作效率十分低下的问题,提出了用二联板转移导线张力的新思路。
3)500kV transmission line500kV输电线路
1.In recent years, windage yaw flashover frequently occurs in500kV transmission lines, and the frequency of such accident exceeds the receivable limit of power system secure operation.近年来,500kV输电线路风偏闪络事故频繁发生,其频率已超过电力系统安全运行可接受的限度。
4)±500kV DC transmission line±500kV直流输电线路
1.The live working inspection device of poor insulators on DC transmission line was developed, and the distributed voltage along insulators on±500kV DC transmission line was inspected.研制了直流输电线路不良绝缘子带电检测装置,并对±500kV直流输电线路绝缘子上的分布电压进行了检测。
5)A.C.500 kV power transmission line500kV交流输电线路
6)the 500 kV compact transmission line500kV紧凑型输电线路
延伸阅读
输电线路危险影响输电线路危险影响dangerous electromagnetic effects of transmission lines性藕合影响.危险影响防护措施主要有:①在选择输电线路或电信线路的路径时，保持其间的合理距离，或采用迁移的方法加大物电线路与电信线路之间的距离;②采用屏蔽措施，如输电线路或电信线路架设屏蔽线，翰电线路架空地线采用良导体导线，明线电信线路改为有屏蔽的电缆，改善电缆屏蔽性能等;③提高电缆介质强度，④在电信线路上装设放电管、中和变压器、隔离变压器、屏蔽变压器等.⑤电信线路采用光缆;⑥限制枪电线路短路电流和采取迅速切断线路故障的措施。在实际工程中应根据具体情况，全面进行技术经济比较，以确定采用何种防护措施。shud旧nx旧niu Welx旧n yingx旧ng输电线路危险影响(dangerous electro-magnetie effeets of transmission lines)翰电线路与电信线路接近时，通过感性、容性和阻性报合，在电信线路上所产生的电压和电流，可能导致危害电信运行维护人员的人身安全或损坏电信系统的设备和装!，危害电信设备终端用户的安全，引起电信设备建筑物发生火灾，均称危险影响。由感性、容性和阻性三种藕合方式产生的危险影响，根据不同具体情况，可单独存在，也可二者或三者兼有。(见愉电线路感性辐合影响、拾电线路容性辐合影响、墉电线路阻性机合影响)产生危险影响的线路状态①输电线路状态:中性点直接接地系统的三相对称交流输电线路发生单相接地短路时，中性点不直接接地系统的三相对称交流输电线路发生两相在不同地点同时接地短路和单相接地故障时;不对称交流箱电线路在正常运行和发生接地故障时;直流输电线路的一极导线发生接地短路时。②电信线路状态:线路两端经高阻抗接地(或两端对地绝缘);线路两端经低阻抗接地;线路一端经低阻抗接地，另一端经高阻抗接地。危险影响容许值除根据是否危及电信工作人员的人身安全和电信设备的安全来确定外，还应考虑是否有预防性的防护措施、保护对象、危险影响存在时间、电信线路类型等因素，同时还与国家当前的技术经济政策有密切关系。中国和世界许多国家都是根据自己国家的具体情况，同时参考有关国际组织的标准和建议，来制定各自国家的危险影响容许值，该值还随着社会的进步和科学技术的发展在不断修订。
