一次设备

保护装置或一次设备出现故障时，变电站出线保护可作为后备保护。

When protection device or primary equipment is at fault , the outlet protection of substation can be used as the backup protection .

即把变电站一次设备和二次设备的配置按对应原则设计，每个一次设备间隔对应一个二次保护监控单元。

That is to say , the set up of primary equipment and secondary equipment of substation should be planned according to the correspondent principle .

系统通过解析从SCADA获取的遥测遥信信息，得到一次设备的实时状态量信息。

The system acquires the real-time status of primary equipments by parsing the data of telemeter from SCADA .

该监测系统在各个不同间隔内的智能电子装置（IED）采用CAN总线和ARM处理器为核心，实现对本间隔内一次设备的实时监测和控制。

The on-line monitoring IED ( Intelligent Electronic Device ) is placed in each bay to uninterruptedly monitor and control primary devices per bay .

简要介绍了气体绝缘变电站（GIS）内的电磁兼容问题和一次设备干扰二次设备的两种方式，在此基础上分析讨论了GIS电站内辐射干扰计算模型的组成和建立方法。

The electromagnetic compatibility issue and the two ways in which primary circuits interfere with secondary circuits in Gas Insulated Substation ( GIS ) are briefly introduced . The modeling and calculation methods of radiant interference in GIS are discussed .

介绍了2004年全国电网继电保护与安全自动装置运行情况，包括220kV及以上系统一次设备的发展、故障率的统计及元件保护、线路主保护的运行情况。

The nationwide operation situation of protective relayings and automation devices in the year of 2004 is summarized .

一次设备主要包括以下组件：限流电抗器、电容器组、晶闸管阀、可控火花间隙、机械旁路开关、MOV、阻尼回路、旁路刀闸及隔离刀闸。

Primary equipment includes the following components : current limiting reactors , capacitors , thyristor valves , controllable spark gap , mechanical bypass switch , MOV , damping circuit , the bypass isolator and isolation switch .

IEC61850标准实现了数字化一次设备和二次智能装置按照统一的标准平台进行数据建模及通信，实现了智能变电站全数字化继电保护系统的应用。

IEC 61850 standard achieve a digital device and a second smart device platform in accordance with uniform standards for data modeling and communication , to achieve a fully digital relay protection system applications .

220kV及以上电压等级系统仍应遵循目前的双重化配置原则，但可应用该方法保证一次设备始终配置双重化保护，进一步提高继电保护可靠性。

For high voltage power system , dual configuration of protection system is still recommended . However , the proposed approach can be adopted to ensure the primary equipment is always under protection of dual protective relays to guarantee the reliability .

最后，以6节点的可靠性测试系统IEEERBTS为评估对象，展示了继电保护失效概率、一次设备实时停运概率和连锁故障条件概率的计算步骤和该实例的部分考虑继电保护影响的运行可靠性数据。

Lastly an application is clarified using IEEE RBTS of six nodes to show the approach of calculating the probability of relay protection failure , primary component outage and cascading failure . As a result , partial data of operational reliability indices considering the effect of relay protection are shown .

一次设备在线监测系统配置方案探讨

Study on Plan for Allocation of Primary Equipment On-line Monitoring System

在结冰状态下一次设备闪络事故分析

Analysis of One Flashover Fault of Equipment in Icing Condition

智能电网中的一次设备有关数据分类和网络结构

Data types and related network structure for power equipment in smart grids

电力一次设备全寿命周期组合化管理模式及实施

Life Cycle Cost Management Mode and Implementation of the Primary Electricity Equipments

一次设备对继电保护几方面影响的举例分析

Analysis on effects of primary equipments on relay protection

湖北超高压输变电一次设备运行分析

Operation Analysis for the Primary Equipment of Power Transmission and Transformation in Hubei UHV

基于虚拟现实技术的变电站一次设备巡视仿真培训系统

The Patrol Maintenance Simulation Training System Based on Virtual Reality Technology for Substation Primary Equipment

测量分析一次设备直流电阻对发现设备重大缺陷的作用

Effect of Measuring and Analysing DC Resistance of Primary Equipment on Detecting the Equipment Major Defects

下面的代码执行了一次设备查询，并将设备名称显示在用户界面上。

The following code example performs a device inquiry displays the device name in a user interface .

为了实现变电站的智能化首先必须要实现开关等一次设备的智能化。

In order to achieve the intelligent substation , we must make switches and other equipment intelligent .

智能变电站的特点是一次设备智能化，二次设备网络化，设备对象模型化。

The characteristics of smart substation is ' intelligent equipment Secondary network equipment the device object modeling ' .

最近的一次设备延期交货导致拟定于3月份进行的首航被迫推迟。

Most recently , an equipment delivery delay forced the jet to miss a scheduled inaugural flight in March .

本装置可有效防止空走程序的产生，能保证在任何故障情况下对所有一次设备强制闭锁，可靠性好，符合电力生产的有关法规要求。

This system can prevent invalid program from occurring and guarantee imperative lockout for primary equipments in any condition .

经过多年的发展，变电站设计出现了一些新的趋势，主要体现在变电站的接线方案趋于简单，大量采用新的电气一次设备；

New trends have appeared in the field of substation design with the development of power construction in China .

步骤评分程序通过每三十毫秒读取一次设备状态信息来跟踪学员的操作。

The step evaluate program read the state of equipment every other thirty millisecond to track the student 's operation .

电流、电压互感器作为电量测量装置，是监测一次设备运行状态的关键，也是二次设备工作的基础。为此，本论文选取了目前正处于实用化研究阶段的光电传感器为课题对象进行研究。

Being the electric parameter acquisition device , current transformer and potential transformer were chosen to be research objects of this thesis .

并提出，不得因一次设备停电困难放弃试验而留下隐患。

Do not give up the test and leave the hidden trouble behind due to the difficulty of cutting off the primary equipment .

针对某实际运行的基于感应滤波的工业定制电力系统，给出了一次设备的主电路拓扑以及所采用的主要技术参数和技术特性。

The power circuit topology of primary equipments of an operating industrial power system is shown with main technical parameters and technical characteristics .

计算机技术、通信技术以及与城网一次设备、继电保护的合理集成是网络优化的保证。

And its optimization must be done with integration of computer and communication technology as well as equipment of MAN and relay protection .

而电子式互感器作为数字化变电站中的重要一次设备，也必然成为了电力行业重点研究的目标。

As an important primary side device in digital substations , electronic transformer is also inevitably attached great importance to in power industries .