接线的

The configuration scheme of lightning arrestor protection for converter station, the principle of insulation coordination and overvoltage protection strategy for converter station are analyzed; the parameters and characteristic of lightning arresters are calculated; after analyzing the overvoltage protection for equipments and insulation level of equipments in detail, the discharge voltage of air clearances in converter station is given preliminarily.

自2005年国家电网公司部署建设±800kV直流特高压输电工程以来，组织国内外直流专业公司、科研院所、设计单位开展了广泛的研究工作[1-5]。从主接线方案的比较、户内外直流开关场的选择到绝缘裕度的确定，都从绝缘配合设计的角度进行了研究和比较，取得了大量研究成果[6-11]。

In order to study the negativesequence influence to regional power grid caused by autotransformer traction power supply system, formulas of NSeq current and threephase voltage imbalance were derived, based on current distribution analysis of AT traction power supply system and singlephase VVconfiguration train substation. Employing the "train diagram" method, the realtime voltageimbalance curve was obtained in a simulation study, as well as the factors that influence NSeq and some measures to restrain it.

为研究自耦变压器牵引供电系统对地区电网造成的负序影响，首先讨论了AT牵引供电系统、单相VV接线牵引变电站的电流分布，推导得出了负序电流、三相电压不平衡度的计算公式；然后结合"列车运行图法"开发了相应的仿真程序；最后通过一个实际算例，得到了实时电压不平衡度曲线，指出了负序大小的影响因素及相应措施。

In the paper,connection of bridge rectifier in rotor,arrangement of winding in the stator and the rotor,analysis of performance of the generator nonloaded and fully-loaded and design characteristic of the generator series are discussed respectively.Some considerable problems in design and m...

着重介绍了该发电机转子旋转整流电路的接线方式和定、转子绕组结构，分析了发电机在空载和负载2种情况下的运行特性以及该系列发电机的设计特点，指出了采用该励磁方式的单相交流同步发电机在设计和制造过程应注意的问题。

Book this introduce design entirely electric to control and pursue, ladder-shaped picture, chronological chart, wiring diagram, flow chart and PLC procedure, should design and use bulb come and realize whole simulation course of experiment, in the course of designing, have done a lot of relevant experiments , for example: Only according to get up and park PLC of circuit design, crossway lipstick PLC of green light design.

本书介绍了整个设计的电气控制图，梯形图，时序图，接线图，流程图和 PLC 程序，该设计运用了灯泡来实现整个实验的模拟过程，在设计过程中，做了许多相关的实验，例如：单按起停电路的 PLC 设计，十字路口红绿灯的PLC设计。

Proposal: Enterprise website is due management of person specially assigned for a task, be in charge of what reply client goes up in the website leaving a message to seek advice and clear rubbish leaves a message the wiring personnel of; business hot line had better be well-trained, because business hot line is hit, give your potential client stand or fall of the first impressional, often by him decision.

建议：企业网站应有专人治理，负责回复客户在网站上的留言咨询和清理垃圾留言；业务热线的接线人员最好是练习有素的，因为业务热线打进来，给你的潜在客户第一印象的好坏，往往由他决定。

The paper focuses on realizing the monitoring system for the main insulation and restrictive coating insulation of high voltage power cables without changing the network structure of power system by measurement of phase ground current and total ground current of split phase shield cable.

重点是研究如何通过对分相屏蔽电缆的各相接地电流和总接地电流的在线监测，达到在不改变电力系统原有接线方式的前提下实现对电缆主绝缘和外护套绝缘的在线监测的目的。

Two kinds of new on-line monitoring methods, which are based on measuring primary, secondary currents and voltages to calculate the short-circuit reactances of windings for detecting the deformation windings of power transformer, are proposed in the paper. The methods used for on-line measuring the short-circuit reactances of traction transformer in electric railways, are designed.

本文提出了两种在线监测变压器绕组变形的方法，通过在线监测变压器绕组原、次边的电压和电流量，实时计算变压器绕组的短路电抗来判断变压器绕组变形情况，并对电气化铁路主要接线型式的牵引变压器绕组变形的在线监测方案进行了设计。

This article angle has analyzed the higher professional technical education from CBE/DACUM "the electrical control technology" the curriculum ability localization, according to the higher professional technical education "the electrical control technology" the curriculum ability localization, point out the insufficiency and flaw existed in commonly used control electric appliance choice, electrical pilot wire road map, electricity control system installment, wiring craft, electrical control line fault diagnosis system approach, new starting velocity modulation equipment and control circuit, control circuit and main circuit aspect and so on.

摘要本文从CBE/DACUM角度分析了高职&电气控制技术&课程的能力定位，根据高职&电气控制技术&课程的能力定位，指出了现行高职&电气控制技术&教材在常用控制电器选择、电气控制线路图、电气控制系统安装、接线工艺、电气控制线路故障诊断的系统方法、新型起动调速设备及控制电路、控制电路与主电路的连接等方面存在的不足和缺陷。

In the paper, Xingxingshao Hydropower Station in Yongji County, Jilin Province, which develops the principles, characteristics, installation and wiring of the Electronic Speed Indicator through utilizing the residual pressure of generator.

本文阐述了吉林省永吉县星星哨水库水电站利用发电机残压自行研制出的电子式转速表的工作原理、特点、安装与接线，说明了该装置在发电机组上的应用，收到了良好的效果。

AND one of the telephonists who typed her orders into LED remembers the excitement of "feeding this marvellous machine".

及接线生之一谁进入引导之内键入她的次序记得&逐渐强烈的这一部了不起的机器&的刺激。

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。