Module components based current differential relay can eliminate the adverse effect of the distributed capacitive current. 利用模分量构成的模分量差动保护能够从根本上消除分布电容电流的不利影响。
The high permeability of the ferromagnetic reeds in a reed relay causes a pronounced skin effect with increasing signal frequency. 干簧式继电器中铁磁簧片的高磁导率会随信号频率的增加而产生很强的趋肤效应。
The paper introduces a new teaching method about the digital filter in microprocessor relay and produces notable effect by long, largle teaching practice. 通过长期的教学实践总结了一套微机保护中数字滤波器的讲授方法,并经过各种层次学员的多次实践,反映效果良好。
This paper discusses the necessity of relay trial teaching and its operation as well as effect. 本文论述的是接力试教的必要性、际操作与效果。
The new type DC solid state relay is a kind of new contactless switching device, with the new type IGBT and power field effect tube as the core and composed completely by solid state electron devices. 新型直流固态继电器是一种以新型器件IGBT以及功率场效应管为核心的,全部由固态电子器件组成的新型无触点开关器件。
Aim at the rebuilding of squeeze production line control system in sugar factory, this paper introduces the application of computer control system to replace the traditional relay control system, this control system has acquired good effect. 针对糖厂压榨生产线控制系统的改造要求,采用微机控制系统取代传统的继电器控制系统,取得了很好的效果。
The link layer relay service presented in this paper mitigates the effect of asymmetric links so as to discover more neighbors. 为减轻非对称链路对算法的影响,提出了链路数据转发服务,来发现由于单向链路而不能被发现的出邻居。
Compare with the traditional control with the relay, the PLC control lowers the practice cost, enhances the teaching effect, and increases the study efficiency. 与传统的继电器控制比较,PLC控制降低了实习成本,增强了教学效果,提高了学习效率。
This paper puts forward a new scheme using JJB-FS electronic protection to realize reliable protection for the motor aimed at shortcomings existing in traditional thermal relay protection and presents basic construction, working principle, effect of utilization of the JJB-FS electronic protector. 本文针对传统热继电器存在的不足,提出了以JJBFS电子保护器实现电机可靠保护的新方案,并介绍了JJBFS电子保护器的基本结构、工作原理和使用效果。
For the relay protection device setting coordination software based on the integrated structure, it is hard to adapt well to the frequent change of protection relay device, and the effect of application is not so good. 基于传统一体化结构的整定计算软件无法有效应对保护装置定值项的新增和整定原则的变化,因而在面向装置的整定计算中实际应用效果不佳。
Relay Protection to Prevent the Effect of Short Circuit of the Output of Transformer 防止变压器出口短路影响的继电保护技术措施
The structure, operation modes and harmonic of TCSC are analyzed. The influence of TCSC on voltage of the node where distance protection relay is located and phase of line current sequence component as well as the effect of TCSC harmonic on distance protection relay are emphatically studied. 分析了TCSC的结构、运行模式及谐波特性,着重研究了TCSC对保护安装处电压的影响,对线路电流序分量相位的影响,以及TCSC谐波对距离保护的影响。
Reliability of reverse-power relay is of immediate effect on the secure operation of large and medium generator-transformer units. The Operation Function of Power Direction Relay 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。功率方向继电器的动作行为分析方法
Leptin may indirectly suppress bone formation via a central nervous relay and may stimulate bone formation via direct peripheral effect. 瘦素通过中枢神经系统通路间接抑制骨形成,而在外周通过直接作用促进骨形成。
Venue relay system is mainly to solve the complex relay system partition control, which live a rich partitive interaction effect. 场馆中继系统主要解决场馆分区控制,可以实现现场互动的分区控制效果。
This article is mainly for the relay technology resource scheduling technology research to verify the actual effect of the wireless network with relay, through the analysis of simulation results, and guide the deployment of the relay in the actual network. 本文主要针对中继技术的资源调度技术进行研究,通过仿真结果的分析,验证在无线网络加入中继的实际效果,并指导中继在实际网络的部署。
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. 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。
Through these studies, we get the main factors impacting the beamforming gain of the cognitive relay network and the degree of the effect from the primary network on the outage probability of the secondary network. 通过对这些方面的研究得出了在认知中继网络中影响波束成形增益的主要因素和主网络对次网络中断概率的影响程度。
As long as they are executed by right and valid values, relay protection equipments produce a maximum effect. 只有执行了正确、合理的整定值,才能让继电保护装置发挥最大的作用。
Distributed generators are usually connected via distribution network, which makes revolutionary change of the radial structure of distributed network. A series of problems, such as voltage regulation, reactive power balance and relay protection, will have effect on power system operation. 分布式电源大多通过配电网接入系统,这使得原有的辐射形配电网单向电源馈电潮流特性发生了根本性变化,一系列包括电压调整、无功平衡、继电保护在内的问题都将影响系统运行。