That is, when the line failure, the relay circuit breaker tripping, the device auto-reclosing after a short time interval, so that a re-breaker. 即当线路出现故障,继电保护使断路器跳闸后,自动重合闸装置经短时间间隔后使断路器重新合上。
With the DRB in ohmmeter mode, probe the system relay output circuit. 当DRB处于欧姆方式时,检测系统继电器输出电路。
Application of the Solid-State Relay Circuit in the Motor Positive and Reversion in the Bar Machine 固态继电器电机正反转电路在栏杆机中的应用国标收支中的固定负债
Learnt about Difference between PLC and Relay Circuit in Using 在使用中了解PLC以及与继电器电路的区别
This device consists of self-coupling transfer, digital logic circuit and low voltage relay circuit. 它由自耦变压器、数字逻辑电路和低压小继电器电路组成。
The hardware of the controller was composed of CPU, signal preprocess circuit, inter-lock circuit, 'Automatic/ Manual' switch circuit, solid state relay circuit and watchdog circuit etc. 研究了激光控制平地技术中的控制器,其硬件主要由CPU、输入信号预处理电路、手动自动方式选择电路、互锁电路、驱动电路、看门狗电路等部分组成。
This paper presents a formal method adaptable to computer process in railway signal knowledge to replace logic relation manner disposed by relay circuit. 提出了一种适合于计算机处理的铁路信号域知识的形式化表达方法,希望代替以往继电器接点电路表示的逻辑关系处理方式。
Diagnosis of Switch/ Relay Circuit Fault Based on Qualitative Reasoning 基于定性推理的开关∕继电器电路故障诊断
Automation Design System for Relay Circuit 继电线路的自动化设计系统
Automation design of relay circuit is a practical problem which is needed to be solved urgently. 继电线路的自动化设计成为一个迫切需要解决的实际问题。
This paper introduces the application of MITSUBISHI PLC in the spring gas move compressor machine of rebuilding relay circuit and the machine principle, realized by software, introduces the ladder diagram. 本文介绍了三菱PLC在弹簧气动压缩机中改造继电器电路的应用,详细地介绍了该机的工作原理,软件实现,分析了PLC控制的梯形图。
This paper introduces the importance of rising current at CT Primary Winding to the relay circuit check. And the method of rising current at CT primary winding and its application for switch and transformer bushing CTs in all kinds of operating modes are presented. 讲述了电流互感器一次升流在继电保护回路验收中的重要性,并介绍了各种运行方式下开关CT与变压器套管CT一次升流的应用方法。
Function simulation and verification system of relay circuit 继电线路的功能仿真与验证系统
A new function simulation and verification system of relay circuit is introduced in this paper. 本文介绍了一种全新的继电线路功能仿真与验证系统。
This paper presents the design method of a ladder-type chart according to an original relay circuit when the old equipment is upgraded with PLC, and points out the problem in the concrete applications, solutions and necessary points for attention. 该文介绍了用PLC改造旧设备时,根据原继电器电路图设计梯形图的方法与步骤,并针对具体应用中存在的问题,给出了解决方法及注意事项。
A Design Method for PLC Ladder Diagram according to Relay Circuit Diagram 根据继电器电路图设计PLC梯形图的方法
Low reliability of 3 w based earth fault protection is mainly resulted from improper adjustment, relatively bad working condition and the inherent defects in relay circuit. 3次谐波电压型接地保护动作可靠性低的原因是:调整不当,工作环境条件差,回路及继电器本身有缺陷。
The Supervising Method for Long-Distance Relay Circuit of Communication Network 专网长途中断电路的监测方法
In addition, a graph method for determining the σ and δ functions from topological structure of a relay circuit is introduced. 本文从时序继电电路的结构出发,将其纳入时序机模型,给出根据继电电路的拓扑结构,确定σ和δ函数的图方法。
Getting Connection Matrix of Relay Circuit and Its Function Analysis 继电控制线路的连接矩阵提取及功能分析
The Improvement of the Machine Relay Circuit Based on the Reliability Analysis 基于可靠性分析的机床继电器电路的改进
These functions and advantages are hardly implemented by common relay circuit. 这些功能都是一般继电器控制线路难以达到的。
It had been described in detail to design automatic range conversing circuit, peak value AC/ DC switching circuit, driving relay circuit and evanescent voltage circuit. 重点介绍了自动量程转换电路、峰值AC/DC转换电路、继电器驱动电路和衰减电路的设计。
Electrical circuit drawing is one of the most important engineering drawings in relay circuit system design. And it is also the foundation of other design works. 电气原理图是继电线路系统设计中的一种重要工程图,是进行其它后续设计工作的基础。
This paper shows a real improvement example of CNC machine control relay circuit. The improvement is based on the reliability analysis to fit the high reliability requirement. 文章结合CNC机床继电器电路改造实例,介绍了以满足大批量连续生产设备的高可靠性要求为目标,在可靠性分析的基础上合理选择方案和改造设备继电器控制线路的思路和过程。
For double track railway, the train movement control system our country has can realize station and section integrative control. For the single track railway section, the station and section still use relay circuit controling. 对于复线铁路,列车运行控制系统能够实现车站区间一体化控制,对于单线铁路,仍然采用继电电路实现车站区间控制。
Furthermore, a relay circuit system is designed to achieve automatic crack arrested when crack propagates to a certain length. 设计简单的继电器电路系统,实现了裂纹扩展至一定长度后的自动止裂。
Furthermore, interlock computing machine, relay circuit and all-electronic module are made of redundancy structure, they are expensive. 此外,联锁机、继电器电路以及全电子模块采用冗余结构构成,往往造价很高。
Monitoring instructions through the manual input, low efficiency and there are subjective, are increasingly unable to meet the relay circuit quality assessment work requirements. 通过人工输入指令进行监听,效率低并且有主观性,越来越无法满足中继电路质量评估的工作需求。
But the traditional design method of the relay circuit is short of the corresponding auxiliary analysis tool, the accuracy of the results and whether meet the requirements should be checked by human being. 然而传统的继电电路设计方法,缺少相应的辅助分析工具,需要人工检查其设计结果的正确性以及是否满足需求,效率较低。