线路

The dynamic phasor model of three-phase distribution parameter lines is also developed in this dissertation.

通过对算例的仿真，并与电磁暂态模型仿真结果的比较，验证了动态相量模型能突破传输时间常数对分布参数线路仿真步长的限制，用来仿真三相分布参数线路上的电磁暂态过程。

On the basis of the analysis to the short circuit malfunction in domestic underground high voltage power network the paper deeply studied the relevant protection principle and the approach for improving the sensitivity and reliability of short circuit protection in underground high voltage power network designed the new type computerizable protection scheme of selective and rapid short circuit in underground high voltage power network with computer communication and logic identification technology Computer .

在分析我国井下高压电网短路故障的基础上，深入研究相关的保护原理及提高井下高压电网短路保护灵敏度和可靠性的方法，设计出新型的利用计算机通信与逻辑识别技术的井下高压电网微机选择性速断短路保护方案，将微机保护应用于煤矿井下高压电网，通过多机通信，逻辑判断判定线路故障段，从而做到快速的，有选择性的切断故障线路，避免煤矿井下高压电网因越级跳闸而造成大面积停电。

The protective relay is very important factor to avoid unselected trip under complex faults between double circuit lines, and to enhance the reliability of power supply. In order to improve the performance of the relay devices during evolved faults, an evolve fault criterion used for power system EHV transmission lines is proposed in this paper.

同杆并架输电线路发生各种故障时继电保护动作的正确性及可靠性将极大地影响电力系统的供电可靠性和运行稳定性，因此对配置于同杆并架输电线路继电保护的研究有着十分重要的意义。

The origin of travelling wave and its propagation characteristics of modal components in time-domain and frequency domain are analyzed. The characteristics of configuration of railway Automatic Blocking/Power Continuous Lines and principle of various methods of travelling wave fault location are studied. Using transient surges extracted by transform voltage on the lines, a new method of double-ended principle of fault location is proposed.

本文分析了故障暂态行波的产生机理和模分量在时域、频域的传播特性，研究了铁路自闭/贯通线路的结构特点以及目前各种故障测距原理，提出了利用线路侧电压互感器提取暂态行波双端故障测距的新方法，该方法能够精确地测量各种类型的故障距离。

To solve the problem that accuracy of traditional fault location algorithm for traction networks is affected by integer, non-integer harmonics, electric locomotive and fluctuation of traction line s parameters, a novel fault location algorithm is presented which uses fault-generated transient voltages measured at single terminal.

针对牵引网目前广泛应用的故障测距算法易受整次、非整次谐波、机车负荷以及线路参数波动的影响，提出一种利用线路单端暂态电压进行精确故障测距的新算法。

Similarly, the lines (27, 28) electromagnetically couple to constitute a coupler.

同样，线路部(27)与线路部(28)电磁耦合构成耦合器。

The lines (24, 25) electromagnetically couple to constitute a coupler.

线路部(24)与线路部(25)电磁耦合构成耦合器。

In oilfield, feeder line of 6KV often has many branches .The pole high voltage automotive capacitor compensation system controlled by single chip computer is designed for this situation .

文章以油田6KV输配电线路为例，针对多分支树状结构线路的特点，研制出由单片机系统控制的户外术上型高压电容器自动补偿系统。

It has the following units: Jilin provincial microwave resources management; Jilin provincial cable line management; cable line map management; fiber rooter map management; communication equipment instrument and materials management; fix and reconstruct plan management; cut and connect management; circuits attempter management; work plan management; daily report management; report transport; mechanical power bureau's equipment management; and the satellite bureau management.

具体分为如下几个模块：吉林省微波站资源管理、吉林省光缆线路管理、光缆线路图管理、光缆路由图管理、通信设备、仪表、材料管理、大修改造计划管理、割接管理、电路调度管理、作业计划管理、日汇报管理、报表传送、机动局设备管理、卫星局资源管理。

Shared facilities and equipment means the residential district or single houses, the construction cost has been assessed on entering the shared home sales prices up and down the main water pipeline legislation, water pipe, flue, water storage tanks, pressure pumps, boiler, elevator , antenna, lighting, power lines, heating lines, safety facilities, fire facilities, roads, green spaces, trenches, drains, ponds, wells, non-operating car garage, public sports facilities and shared facilities and equipment used in housing.

共用设施和设备是指住宅小区或单房屋，建筑成本已分摊进入房屋销售价格共用上下水管道的主要立法，水管，烟道，水箱，压力泵，锅炉，电梯，天线，照明，供电线路，暖气线路，安全设施，消防设施，道路，绿地，沟，沟渠，池塘，水井，非经营性车库，公共体育设施和共用设施和设备中使用的住房。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。