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负荷中心     
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  load center
     The eastern coast region is power load center in China as a result of the developed economy.
     我国东部沿海地区经济发达,是我国的电力负荷中心
短句来源
     Considering the influence of dynamic load models and parameters in simulation,the voltage stability of 2006 Jiangsu power system after the increase of load demand and the big disturbance in load center was analyzed and compared with the result based on the original data.
     在仿真中考虑了动态负荷模型和参数的影响,分析了2006年江苏电网负荷增长和负荷中心大扰动后的电压稳定性,并与采用原有数据的计算结果进行了比较。
短句来源
     It is also the 1st 500 kV substation located at the city load center with complete 500 kV and 220 kV GIS in the north China Power Grid. Beijing government and the State Grid Corporation of China have paid important attention on its construction.
     该工程在国内第1次采用容量最大、技术最先进的500 kV、l 200 MVA变压器,是华北电网第1座深入城市负荷中心500 kV变电站和第1座500 kV和220kV设备全部采用GIS的变电站。
短句来源
     Four sets of 500 Mw generator will be installed in planned Yimin power plant in northeast power system ofchina by two stages and the output of which will be transmitted to the load center, the Daqin area,by 500kV lineat distance about 500 km.
     东北电力系统中的伊敏发电厂前两期工程装机容量2000MW,需经过约500km的500kV线路送电至负荷中心大庆地区。 因送电距离远、输电容量大,存在系统稳定问题。
短句来源
     The electrolysis power is the important load center in power system and the hotspot contents of electrical academe internationally.
     电解电源是电力系统的重要负荷中心,是国际上电工学界研究的热点内容。
短句来源
更多       
  load centers
     It is possible to transmit high electric power above 1 GVA to the load centers in downtown areas by 220 kV HTS cables so as to meet the needs for power supply by large cities.
     采用高温超导电缆将有可能降低输电电压等级 ,可以采用 2 2 0 k V高温超导电缆将 1GVA以上的电能输入到城市负荷中心 ,满足特大型城市负荷中心供电需求。
短句来源
     The simulation results on IEEE118 buses system verify that the selected compensation sites, which locate near load centers or far away from generators, have a good robustness and can decrease power loss efficiently.
     在IEEE118节点系统上的仿真结果表明了该方法选出的补偿节点位于负荷中心附近或远离发电机的位置,具有较好的鲁棒性,能够有效降低网损。
短句来源
     They are aimed mainly at retroffing the underground power system by replacing the traditional cables with HTS cables using the existing underground ducts so as to increase the transmission capacity of underground cables and transmission of high electric power(above 1 GVA) to the load centers in downtown areas by HTS cables.
     其主要应用目标是用于地下电缆工程改造 ,利用现有排管以高温超导电缆取代现有的常导电缆 ,增加地下电缆传输容量以及采用高温超导电缆将巨大电能 (1GVA以上 )输入到城市负荷中心
短句来源
     The development of thehydro rich regions in Southwest China about 2000 km away from the load centers in East and SouthChina makes it necessary to develop transmission systems for UHVDC ±800 kV, in order to reduceinvestment, save land and reduce losses.
     西南水电外送至华东和华南电力负荷中心的输电距离约2000公里,发展±800千伏特高压直流输电系统,可以降低投资,节省线路走廊,减少损耗,是一个很好的选择。
短句来源
     in November 1965,a 735-kV line was commissioned for the first time in the world. It transmitted power from a remote hydroelectric plant on the Manicouagan River,in the northeastern part of the province of Quebec,Canada,to major load centers in southern Quebec.
     1965年11月,世界上第一条735kV线路投入运行,将远在加拿大魁北克省东北部莫尼考尔根河上水电站的电力输送到魁北克南部的主要负荷中心
短句来源
更多       
  loading center
     Fault Analysis and Preventive Measures of LC33 Loading Center
     LC33负荷中心故障分析及预防措施
短句来源
     The paper puts forward preventive measures by analyzing the common faults of LC33 loading center.
     通过对英国LC33负荷中心的常见故障进行分析,提出了预防措施。
短句来源
  load centre
     The development of the society has driven the constant development of the power industry and transmission line of electricity Electric load is increasing constantly, the development of the modern power system require transmitting the large capacity to the load centre, the enlargement of living line scale will take up more transmission corridors, which is uneconomical.
     社会的发展带动了电力工业和输电线路的不断发展,电力负荷不断增大,现代电力系统需要将大容量的电能输送到负荷中心,输电线规模的扩大会占用更多的出线走廊,这是不经济的。
短句来源
     In power market, because of bidding price and its expense, the system is easily to run into unsafe area, especially the high voltage lines which transport from cheap power plant to load centre are always at full load state.
     在电力市场环境下,由于竞价及其购电费用的问题,系统很容易运行在不安全的区域,尤其是廉价电力生产地至负荷中心的高压输电线路经常处于满负荷运行状态,接近于暂态稳定极限。
短句来源
     According to this basic viewpoint that the conforrous metal consumption and the power line loss rate are reduced on a distribution network,the paper gived out the economical moving position of transformer station in a residential area,and compared it with the traditional concept that a transformer station be close to the load centre,pointed out the non-scientific side of the later concept,discussed the distinction between.
     从配电网络中有色金属消耗量和电能线损率最小这一基本观点出发,导出了生活区配电网络中变电所的经济运行位置,并与一直沿用的变电所接近负荷中心这一概念进行比较,指出了这一概念的不科学性,论证了二者之间的区别。
短句来源
     To explore not only the methods but also the shortcomings of breaking out the two electromagnetic loop networkers of load centre and power sources.
     探讨负荷中心和电源中心两种电磁环网的打开方法; 同时也分析打开电磁环网后,带来的缺陷。
短句来源

 

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      load center
    The occlusal load center (OLC) was located on a graph set up with reference to the size of the individual dental arch.
          
    The difference in values for each stress along the distance to the load center increased with increasing Poisson's ratios of steels.
          
    As the load increases, however, the load center line considerably shifts relative to the specimen center line giving rise to a negative bending moment which tends to close the crack.
          
    As lines between the remote generators and the load center trip the MW power flows over fewer lines resulting in increased VAr losses.
          
    Completed studies include Eastern Montana to Northwest load center corridors and Western Canada Northwest Southwest corridors.
          
    更多          
      load centers
    The evolving intermodal transportation network of North America is resulting in a concentration of traffic at a number of inland load centers.
          
    A series of feeders connects load centers throughout the facility to the 20 kV bus.
          
    An individual company's infrastructure can cover areas the size of entire NERC regions, and load centers are often remote.
          
    Branch circuit conductors in panelboards and load centers shall be neatly trained along a path from the breaker terminals to their exit point.
          
    Central-station power plants typically are located far from load centers.
          
    更多          
      loading center
    As the relative distance between the loading center and the edge becomes closer, the elastic contact pressure will deviate from the Hertzian distribution.
          
      其他


    The author attempts to derive the transmission loss formula for a rather complicated power system having multiple load points. He has analyzed thoroughly systems of various patterns possibly obtained from network reduction, and has succeeded in expressing the total transmission loss as a sum o?those resulting from the transfer of incremental power from each source to the various load points. As a result of this, it will be possible to coordinate the incremental transmission loss with the incremental production...

    The author attempts to derive the transmission loss formula for a rather complicated power system having multiple load points. He has analyzed thoroughly systems of various patterns possibly obtained from network reduction, and has succeeded in expressing the total transmission loss as a sum o?those resulting from the transfer of incremental power from each source to the various load points. As a result of this, it will be possible to coordinate the incremental transmission loss with the incremental production cost individually at each source.The method of writing out directly from the network configuration the transmission loss formula is also given. An example is given for evaluating its accuracy.

    作者企图从动力系统最基本的功率传送方程出发,来推导具有多个负荷中心的复杂动力系统的网损计算公式。他对等值简化后可能出现的各种结构的系统,进行了透彻的分析研究,并把系统总的网损增量最终分解为从各个电站向各个负荷中心传送负荷增量所产生的附加网损之和。由于得到这样的结果,便有可能把网损校正工作分别在各个电站上独立进行。 文中还说明了按照网络结构图形,直接写出这网损校正公式的方法,并举例说明这公式的准确程度。

    Synchronous condensers operating in power systems may fall out of step under abnormal conditions, and remain in asynchronous oscillation for a long.. time. Such phenomenon has appeared in many power systems, inflicting injury to the synchronous condensers and impairing the supply to load.In this paper the characteristics of steady-state stability, transient-syn-chronous stability and transient-resynchronizing stability of a synchronous condenser operating near a load center are investigated. The factors affecting...

    Synchronous condensers operating in power systems may fall out of step under abnormal conditions, and remain in asynchronous oscillation for a long.. time. Such phenomenon has appeared in many power systems, inflicting injury to the synchronous condensers and impairing the supply to load.In this paper the characteristics of steady-state stability, transient-syn-chronous stability and transient-resynchronizing stability of a synchronous condenser operating near a load center are investigated. The factors affecting stability and the process of loss of synchronism are studied, with an analysis of restricting conditions.Based on the above analysis, practical criteria of transient-resynchronizing stability of synchronous condensers are given.One of the most important factors governing the asynchronous performance and resynchronization of synchronous condensers is the relationship between the slip and the so-called self-braking torque, which is analyzed in detail. The average asynchronous torque is also analyzed.

    电力系统中运行的同步调相机,有时因稳定破坏发生非同期振荡,长时间不能再同期。这种现象在不少系统中都曾发生过,给调相机带来损害,并影响供电。 本文对于在负荷中心运行的调相机的静态稳定、动态同步稳定和动态最终稳定进行了研究,分析各有关因素对稳定的影响、发生稳定破坏的过程以及保持稳定所必需的条件;并根据分析结果给出调相机最终稳定的实用判据。本文比较详细地分析滑差与自制动力矩间的关系,这种关系对调相机非同期运行和再同期有重要影响。此外,对平均异步力矩也作了分析。

    Based on the present situation of the power network of Daxingan Mountain forest region, in regard to the existing problems and the increasing power consumption, the paper describes the principles of electric power development and puts forward some suggestions for a Long-term program of power network in the district in a view of power saving.The paper approaches in detais the improvement of the network,boost, the installation of new power plant in the consumption center, the realization of ringlike power supply...

    Based on the present situation of the power network of Daxingan Mountain forest region, in regard to the existing problems and the increasing power consumption, the paper describes the principles of electric power development and puts forward some suggestions for a Long-term program of power network in the district in a view of power saving.The paper approaches in detais the improvement of the network,boost, the installation of new power plant in the consumption center, the realization of ringlike power supply system and the establishment of the control center for forestry careers etc. It is desired that the approaches will benefit the rational exploitation and utilization of forest regions.

    本文从大兴安岭林区目前电网现状出发,就当前电网存在的问题及电力负荷增长情况,从节能的角度,阐述了电力发展的若干原则并提出了电网长远规划的几点意见,具体地在电力网改造、升压、在负荷中心建立新的电厂、实现环形哄电网、成立林业调度中心等方面进行了论述。将会有利于对林区的合理开发、利用。

     
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