紧凑型输电线路,compact transmission line
1)compact transmission line紧凑型输电线路
1.As the parameter characteristics ofcompact transmission lines are quite different from those of conventional transmission lines, a study of their influence on sub-synchronous resonance (SSR), the advantages and disadvantages of some series-compensatedcompact transmission lines for the heat-engine plant is of practical significance.紧凑型输电线路的电气参数与常规输电线路存在较大差异,因此分析其参数特性对次同步谐振(SSR)问题的影响,探讨应用串联补偿的紧凑型输电线路进行火电厂送出在SSR问题方面的利弊具有实际意义。
2.This paper introduces the technical characteristics ofcompact transmission lines and their applications at home and abroad,emphatically analyzing the main technical features,project costs and operation of 500 kVcompact transmission line from Luoping to Baise located at high altitudes of southern power grid of China.介绍了紧凑型线路的技术特点及国内外应用情况,特别对位于南方电网高海拔地区的500 kV罗平—百色紧凑型输电线路主要技术特点、工程造价、运行情况进行了分析。
3.Two dimensional FEM is applied to the research on the power frequency electric field aroundcompact transmission lines,and the method to improve the precision of calculation is discussed.基于二维有限元法研究紧凑型输电线路分裂导线周围工频电场并探讨提高计算精度的方法,计算对比了500 kV紧凑型线路导线表面最大平均电场强度和线路下方距地面1 m处的最大电场强度和走廊宽度,考虑了几种子导线异型排列方式。
英文短句/例句
1.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
2.Electromagnetic Environment of 750 kV Single-circuit Compact Transmission Lines750kV单回紧凑型输电线路的电磁环境
3.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
4.Analysis of Electric Field Distribution Along the Axis of Composite Insulators in Compact Transmission Line紧凑型输电线路复合绝缘子轴向电场分布分析
5.Discussion on the Potential Working for the 500 kV Compact Transmission Line500kV紧凑型输电线路进入等电位方式探讨
6.The design trends of compact transmission line in Ningxia region浅谈宁夏地区紧凑型输电线路设计趋势
7.Research on the Secondary Arc Current and Recovery Voltage of Two Compact Circuits with the Same Array of Phase in One Pylon Window同塔同窗同相序紧凑型输电线路潜供电流与恢复电压研究
8.The Research of Electric Field Intensity of Double-Circuit Compact Transmission Lines with the Same Altitude on One Tower;水平排列同塔双回紧凑型输电线路电场的计算研究
9.Foundation Selection for Compact 750 kV Double-Circuit Transpose Towers750kV同塔双回紧凑型输电线路杆塔基础的选型研究
10.Research on the Improvement of 330kV Lines Transfer Capability by Adopting Compact Transmission Technology;采用紧凑型技术提高330kV输电线路输送能力的研究
11.Research on Improving Transfer Capability of 500kV Lines in North China Power Grid by Adopting Compact Transmission Technology;采用紧凑型技术提高华北电网500kV线路输送能力的研究
12.Research on Tower Erection Technique of 500 kV Compact Double-circuit Transmission Line500 kV紧凑型同塔双回输电线路组塔施工工艺研究
13.External Insulation Characteristic and Insulation Co-ordination for 500 kV High Altitude Compact AC Transmission Line500kV高海拔紧凑型输电线外绝缘特性及绝缘配合
14.Experimental Research on Hot-line Work of 750 kV Single Compact Power Transmission Line750kV单回紧凑型线路带电作业方式试验研究
15.Air Aap Discharging of 750 kV Single Compact Power Transmission Line750kV紧凑型单回线路空气间隙的放电特性
16.Key Technology Research on 750 kV Compact AC Transmission Line750kV紧凑型交流输电关键技术研究
17.Research on Relay and Electrical Characteristics for 750kV Compact Transmission Line with Double Circuits on a Same Tower750kV同塔双回紧凑型线路电气特性和继电保护研究
pact CPW-fed Dual-Polarization Slot Antenna紧凑型共面波导馈电的双极化槽天线
相关短句/例句
the 500 kV compact transmission line500kV紧凑型输电线路
3)compact power transmission紧凑型输电
1.Thecompact power transmission technology is a new technology which is developed quickly and applied in China for recent years.紧凑型输电技术是我国近十几年迅速发展和应用的一项新技术,紧凑型输电线路与常规线路相比,具有提高自然输送功率、压缩线路走廊宽度、降低工程建设造价的特点,具有很大的经济效益和社会效益。
2.The electromagnetic environment of 750 kV single-circuit compact transmission lines are researched systematically under the guidance of environmental assessment, design and construction for 750 kVcompact power transmission and transfer engineering in China.为了指导我国750kV紧凑型输电工程的环境评价、设计和建设,对750kV单回紧凑型线路的电磁环境进行了系统研究。
4)compact transmission line紧凑型线路
1.Since the multi-split conductors are adopted in domesticcompact transmission line of single circuit, the selection of line (phase) spacing in span centrality becomes the one of key problem of deciding the technical parameters ofcompact transmission line.目前国内采用的单回路紧凑型线路相导线分裂根数多,线(相)间距离小,因而档距中央线(相)间距离的选取就成为决定紧凑型线路技术参数的关键问题之一。
2.The parameters of 500kV Changping—Fangshancompact transmission line are calculated and compared with that of conventional transmission lines.采用EMTP程序计算了昌平—房山500kV 紧凑型线路参数及其运行特性。
5)Compact line紧凑型线路
1.Nonlinear motion analysis on 500kV compact line conductor;500kV紧凑型线路导线非线性运动分析
2.kV ShenmuXinzhouShibei Lines are adopted twocircuit compact lines.针对神木-忻州-石北采用双回紧凑型线路,计算了其操作过电压,并且用线路闪络率作为判据对是否装合闸电阻进行了详细分析。
3.Based on the electrical theory,this paper introduces the principle of improving the transmission capacity with the compact line of large surge-impedance loading power.紧凑型线路是当前输电线路发展的一个新趋势。
6)compacted circuit紧凑型线路
1.Equations on forced vibration in compactedcompacted circuit systems with displacements as unknown functions are formed, and the analytical formulae for calculating the dynamic of the spacers are obtained by solving the equations.以两相导线、一个间隔棒组成的一个档距的紧凑型线路系统为研究对象 ,推导了系统以位移为未知函数的强迫振动方程 ,及相间绝缘间隔棒动力计算的解析公式 ;用模拟线路段参数计算了线路系统发生两相接地短路故障时 ,间隔棒承受的动
2.This paper deduces the free vibration equations of the line system ofcompacted circuit wth the displacements as the unknown functions, and thus by solving the equations obtains the analytical formulaes for calculating the natural frequencies and vibration models of the line system ofcompacted circuit.推导了紧凑型线路导线系统以位移为未知函数的自由振动方程。
延伸阅读
独联体1150kV交流输电线路独联体1150kV交流输电线路1150kV Alternating Current Transmission Line in CIS独联体1150kV交流输电线路(1150kV AI-ternating Current Transmission Line in CIS)世界上最高电压的输电线路。它包括分布在哈萨克斯坦和俄罗斯境内的埃基巴斯图兹一车里雅宾斯克和埃基巴斯图兹一巴尔瑙尔两条相延续的线路。线路全长1936km,输送容量500OMW。由埃基巴斯图兹向欧洲方向延伸的线路由3段组成,即埃基巴斯图兹一科克切塔夫线段,长497km,1985年投运;科克切塔夫一库斯塔奈线段,长4llkm,1986年投运;库斯塔奈一车里雅宾斯克线段,长328km,1987年投运。由埃基巴斯图兹向西伯利亚延伸的线路至巴尔瑙尔,长700km,1990年投运。这两条线路还将进一步向西延伸至莫斯科地区,向东延伸至西伯利亚地区,向南延伸至哈萨克斯坦南部地区,最终长度可达4 SOOkm。导线该线路为一回路架空线,3相水平布线。埃基巴斯图兹至库斯塔奈两个线段的每相导线均为8分裂AC300/43型钢芯铝绞线,其余线段则采用8分裂AC300/48型钢芯铝绞线。导线的分裂间距为400nlm,分裂直径为lm,考虑在铁塔附近导线表面场强较高,通过增加导线环的方式,将其局部改为10分裂,将分裂直径扩大为1.3m,这样可使导线表面场强降低10%。间隔棒的形状有两种:一是连接多根子导线的环,另一是连接两根子导线的棒。间隔的档距为50~80m。杆塔直线塔均采用拉线V型铁塔,塔高46~65m,横担宽度42~45m,塔重17~25t。耐张塔采用四柱独立式铁塔,塔高23~35m,塔重46~75.6t。铁塔基础采用带三角桩体的蘑菇形结构,基础底盘1.smX3.om,埋深2.5m;拉线锚固采用方形钢筋混凝土板,埋深3m。架空地线由两条2分裂AC7O/72型钢芯铝绞线组成,分裂间距为400mm。地线对边导线的保护角为220一250。该地线还兼作高频载波通信的通道。绝缘该线路全部采用钢化玻璃绝缘子,其直径为300一39omm。在直线塔上全部采用单串绝缘子申,边相采用悬垂串,中间相采用V形申。绝缘子申长度10~14m,每申用绝级子45~61片,机械强度30~40t。在耐张塔上采用4串并联的绝缘子串。地线采用4片绝缘子串。线路设备的绝缘水平,按操作过电压的1.6~1.8倍选择。导线对铁塔的距离,中间相线对窗框取7m,边相线对拉线取6.sm,按15m/s风速考虑绝缘子串的风偏角。导线相间距离平均为23m。线路平均档距为400m,导线弧垂最小离地高度,按人类频策活动区、偶有人活动区、无人活动区分别取用21m、18.sm、14.sm。