And also, trip and auto close operation of relay can be simulated.
同时还可以模拟保护对线路的跳闸、重合闸等操作。
The correct operation of relay protections largely depends on the correct detection of fault current in power system.
电力系统继电保护装置的动作正确性在很大程度上取决于故障电流转变的准确性。
The current operation manner of the power system is complicated and changes frequently, causing great difficulty in the analysis of operation of relay protection.
目前电力系统的运行方式复杂、变化频繁，给继电保护的运行分析带来很大的困难。
Therefore, SF6 density relay switch will have a direct bearing on the possibility of normal operation.
因此SF 6密度继电器的好坏直接关系着开关是否能够正常运行。
PLC or Relay control with optional operation of manual and semi-auto.
有电脑、继电器两种控制方式，设有手动、半自动两种操作方式。
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。
The PLC is applicated in the steel tube galvanization process replace of traditional relay logic control to realize the automatic operation and fault treatment.
介绍采用PLC替代传统的继电器逻辑控制对钢管热镀锌的生产实现自动运行及故障处理。
The system supplies effective technical means for the scientific management of relay protection operation and better service for the reliable operation of power network.
该系统为继电保护运行的科学化管理提供了有效的技术手段，将更好地为电网的安全可靠运行服务。
Rational configuration of protection relay and safety equipment is important to substation operation reliability and power network safety.
继电保护及安全自动装置配置是否合理，关系到变电站运行的可靠性及整个电网的安全。
This protection information system with a network function has been put into operation, and the operation and management level of relay protection of cascade hydropower plants is improved.
该网络化的保护信息系统已在实际工作中发挥作用，提高了梯级水电站继电保护现场运行管理的水平。
Based on the character of relay protection, the protection reliability is divided into protection system reliability and protection operation reliability.
基于继电保护的工作特点，将其可靠性分为保护系统可靠性和保护动作可靠性两个方面。
The selection of an auxiliary relay is a key question of reliability to improve control system operation.
阐述了中间继电器的选型是切实提高控制系统运行可靠性的关键问题。
As the first line to guarantee safe operation of power grids, the reliability of relay protection is closely related to power grids 'safe operation.
继电保护作为保障电网安全运行的第一道防线，其可靠性与电网安全稳定运行密切相关。
The basic features of PIC single chip and the operation principle of leakage relay made by PIC single chip and its hardware design and software design were introduced.
简要介绍了PIC单片机的基本特点以及由PIC单片机构成的漏电继电器的工作原理及其软件和硬件设计。
Reliability of reverse-power relay is of immediate effect on the secure operation of large and medium generator-transformer units.
逆功率继电器的可靠性直接关系到大中型发电机变压器组的安全运行。
In order to ensure municipal power distribution system 'normal operation, the protection equipment of relay protection should be correctly set.
为了确保城市电网配电系统的正常运行，必须正确地设置继电保护装置。
After operating for over 10 years, the major disadvantage of the installation is the frequent operation of the relay protection, which affects the economic benefits of the power station.
经近十年的运行经验分析得出该集控装置的主要缺点是继电保护联动，影响了电站的经济效益。
The relay protector is an extremely important installation to the stability of the operation of the whole electric power system as well as the protected electric facilities.
继电保护装置对整个电力系统的稳定运行以及被保护的电气设备都是极端重要的设施。
The protective relay setting calculation is the safe operation foundation of the electrical equipments in the power plants and transformer substations.
继电保护整定计算是发电厂、变电站电气设备安全运行的基础工作。
Tank and cover shall be shaped so as to prevent stagnation of water externally, and gas pocket internally which could trap escaping gas and thereby impede operation of the gas detector relay.
坦克和覆盖应形，以防止外部滞水，气体口袋内部可以捕获逃逸气体，从而妨碍气体探测器继电器的操作。
This paper describes the operation principle of a simple phase sequence relay, its parameter calculating method, and the correlative relationship and optimization problem on element parameters.
本文阐述了一种简单的相序保护器的工作原理及其参数计算原则，讨论了元件参数之间的相对关系和优化问题。
The function and principle of some intelligent units are introduced: status monitoring unit, operation unit, relay unit, measurement unit and record unit.
介绍了几种常见智能单元(状态监测单元、智能操作单元、继电保护单元、测量计量单元、设备记录单元)的功能和原理。
In the design, construction and debugging work of relay protection, protection dead-zone happens because of careless operation.
在继电保护的设计、施工、调试等实践工作中，有时因为疏忽导致保护死区的产生。
A comprehensive assessment method for relay protection condition is proposed on the basis of three elements: state diagnosis, risk assessment, apparatus patrol and operation management information.
提出了基于状态诊断信息、风险评估、设备巡视与运行管理信息三方面要素的继电保护状态综合评估方法。
In case of low voltage and heavy load, the relay loadability may replace the thermal loadability, leading to undesirable relay operation and cascading events.
低压重载系统中，保护载荷度可能取代热载荷度，导致保护不合理动作以及后续连锁过程。
It is introduced in the paper the major technical parameters, operation principle, connection and test of this time delay relay.
文章介绍了该型时间继电器的主要技术参数、工作原理及接线和调试。
Four types of operation mode and isobaric water supply function by using relay logic and inverter's pump control function are realized.
通过继电器逻辑和变频器的泵控制功能实现了四种工作模式和恒压供水功能。
Four types of operation mode and isobaric water supply function by using relay logic and inverter's pump control function are realized.
通过继电器逻辑和变频器的泵控制功能实现了四种工作模式和恒压供水功能。
应用推荐