The effects of PT secondary circuit on relay protection and measurement were analyzed by an example and the improving measures were set forward. 引用实例分析了PT二次回路对继电保护和计量的影响,并提出了改进措施。
An adaptive relay node set selecting mechanism based on available bandwidth estimating 带有带宽感知的自适应转发节点集合建立机制
Release relay carrier and set it aside. 释放继电器托架并将其放在一边。
Logic function: every protection function and relay output possesses logic configuration function, can be set according to requirement of customer; 逻辑功能:各保护功能和继电器出口具有逻辑组态功能,可按用户要求进行设定;
Mobile phone signal relay and magnifying system is set in the building. 大厦装设手机信号中继放大系统。
This system has been successfully used in relay protection set. 系统已成功应用于一款继电保护机产品。
DTS includes a series of component models of power system: generator, load, line, transformer and relay set. DTS系统包括一系列的电力系统组成部件的模型,如发电机、负荷、线路、变压器、继电器等等。
Zhou, Wang and their two teammates bettered the mark in the3000-meter relay that China had set at the2002 Salt Lake City Olympics. 周洋和王蒙跟她们的两名队友刷新了中国队在盐湖城创下的3000米接力记录。
After adding another silver medal in the relay, Yang Yang entered the1000m.She set an Olympic record in the quarterfinals and then won the final to win her second gold medal. 在接力赛中获得银牌后,杨扬又进入了1000米比赛的决赛,她之前在这个项目的四分之一决赛创造了奥运会纪录,最终她又获得了自己的第二枚金牌。
Check actual operation value of the relay according to set value. 按设计的整定值,检验继电器实际动作值。
JDC A Electric Relay Intelligent Detecting Set JDC-A型继电器智能检测台
The parameter of power system is measured and relay protection is set by 7330.The measurement is analysed. 用7330测量电力系统参数,设置继电保护。
Relay protection set emphasizes on high real-time and reliability, in order to meet these special application requirements, in this paper, an embedded real-time operation system model based on logical stack and three-value semaphore: YZ_-RTOS is proposed. 针对继电保护装置对实时性、可靠性要求很高的特殊应用需求,提出一种基于逻辑栈和三值信号量的嵌入式实时操作系统的模型&YZRTOS。
Improvement of the relay protection planning after the use of silicon controlled rectifier system in generation set 发电机组运用可控硅励磁系统后继电保护方案的改进
A Design of Transform Protection Relay Test Control Set Based on DSP Technology 基于DSP的变压器继电保护测控装置设计
By means of a protective relay test set, using constant source impedance model, the dynamic characteristic of a LZ-16 relay for both a forward and reverse fault is tested with success. 根据系统侧阻抗恒定的模型,利用微机型继电保护测试装置模拟正、反两个方向上的短路故障成功地对LZ-16型相间阻抗继电器的动态特性进行了测试。
In order to receive abnormal state information message, at the same time in order to make field operators know immediately running state of relay protection devices, usually there is an additional set& center signal screen. 为了能够在现场接收到此类异常状态信息报文,同时又为了方便现场工作人员能够及时、准确地掌握继电保护设备的运行状态,一般在现场安装有继电保护设备的配套装置&中央信号屏。
An improved method was proposed, which replaces relay by saturation relay and uses feedback to set the controlled object's gain one. 为此提出了一种设定值饱和继电器反馈法。这种方法使用饱和继电器代替理想继电器以获得更精确的描述函数表示,并且使用反馈来校正被控系统使其增益为1。
This paper begins with introducing the electric power system relay protection and analyzes the basic requirement of the electric power system protection relay set. Then the paper introduces the transformer protection relay system. 本文从介绍电力系统继电保护开始,分析了电力系统中对继电保护装置的基本要求,然后引出变压器继电保护系统。
The working principle, composition, structure characteristics and operating method of relay aging set are introduced in this paper. 介绍继电器老化台的工作原理、电路组成、结构特点以及操作方法等。
In order to clearly describe action of adaptive technology in relay protective settings calculation and management, we set up an integrated management system. 为了清楚的描述自适应技术在继电保护定值计算和管理中发挥的作用,我们建立了一个完整的定值计算和系统来进行说明。
The paper recommends the setting calculation of the relay protection system of 110 kV transformer in the factory according to which the relay protection system is arranged and set reasonably which makes the electric system more safe and reliable. 对我厂110kV变压器继电保护进行整定计算,根据计算值对继电保护进行合理配置、整定,使电气系统运行更加安全、可靠。
Relay routing system consists of a set of relay routers, providing relay routing for routing domains that cannot exchange routing information. 中继路由系统由一组中继路由器组成,为不能交换路由信息的路由域提供中继路由。
The system has built an object-oriented graphic interface of power network and built network model and network database through the graphic interface and implemented functions of the relay set based on the network. 该系统开发了面向对象的电网图形编辑环境,通过该环境建立电网模型及电网数据库,在此电网基础上实现继电保护装置的功能。
Compared with the setting of the generator differential protection, the setting models of the small power plant relay protection for the main equipments including the generator transformer set, the transformer and the motor are set up. 对发电机差动保护整定进行了比对,确立了发变组保护、变压器及电动机等主设备在小发电系统中的继电保护配置模式。
In the proposed handover scheme, multiple relay stations are set in the overlapping area between adjacent cells to transmit signals which assist mobile stations to handover. 在本文提出的利用中继站辅助切换的策略中,多个中继站被设置在相邻小区的重叠区中,为列车提供辅助切换的信号。
When a mobile station is in handover process, it not only measures the signal received from neighboring base station, but also has to measure the signal received from the relay station which is set in the overlapping area, before making the final handover decision. 移动台在切换时不仅要检测相邻基站的信号,而且还将对重叠区中的中继站信号进行检测,最后再进行切换判决。
The network structures of distribution systems are always complex. The distribution line may be long or short, and also there are a lot of tapped branches. So the setting of the relay protection is very complex, or even can not be set correctly. 同时,配电网网络结构复杂,线路长短不一、多分段且有大量T接支路,导致继电保护整定配合复杂,甚至无法按规程整定。
One or several qualified relay nodes are selected among a set of nodes by certain rules, to cooperate in the communication, while other nodes stay in idle state. 通过一定的选择策略,在一组节点中,选出符合条件的一个或者多个中继,来协助此次通信,而其余的中继节点处于待机状态。
First selected the optimal relay from a set of available relays and then used this optimal relay for cooperation between the source and the destination. 首先在一系列可选的中继器中选择最佳的中继器,然后使用这个最佳的中继器在源和宿之间协作。