Work-site Safety Management of the Operation of Relay Protection 现场工作安全管理之继电保护作业浅谈
The railway safety relay is an important executable component in railway system, whose electrical characteristics must be tested timely. 铁路安全继电器是铁路系统中的重要执行元件,必须定期对其电气特性进行测量。
A study on the assessment of reliability and safety for relay interlocking system in railway signaling 关于铁路信号继电联锁系统可靠性和安全性评估的探讨
The development and safety strategies of relay protection channel 继电保护通道的发展与安全策略
Signal transmission for safety control and relay protection using power line carrier 安全自动装置(保护)信号在电力线载波通道中的传输
Several safety grounding measures used for the online monitoring of water-treeing in XLPE cables using the voltage supposition method, such as discharge tube, large-current discharge gap and relay protection, are presented. 介绍了叠加法交联聚乙稀(XLPE)绝缘电力电缆绝缘在线监测中的接地保护措施,包括放电管、大电流放电间隙保护器、继电保护器等。
This paper discusses new trolley safety control system with PLC based on the original relay control system to act as fault diagnosis and protection control. 在集装箱岸边装卸桥小车电机控制系统的基础上,增加一套PLC故障诊断和保护控制装置,原系统的继电器控制回路和转速控制回路继续使用。
Safety management of Relay protection team 继电保护班组安全管理
The article introduces the experience in building the comprehensive government affairs information system on the supervision and management of national safety production; relay on internal network electric cooperation platform, the system helps to improve office work efficiency and push forward safety production informatization; 介绍了国家安全生产监管监督综合政务信息系统的建设经验:依托内网构造电子协作平台,提高办公效率,推进安全生产信息化;
In view of the special operation characteristics of the DC system, DC system fault is a hidden peril for the safety of AC relay protection and AC power gird, it is necessary to study AC system electrical transient characteristics under DC faults. 鉴于直流系统特殊的运行特点,直流系统故障对交流继电保护和交流电网的安全有潜在隐患,因此有必要对直流系统故障情况时的交流系统电气瞬态特征进行研究。
The relay protection system is an important part of the power system, and produce significant influence for the safety and reliability of the power system s operation and the normal working of relay protection s important components. 继电保护系统是电力系统的重要组成部分,对保证电力系统安全稳定运行和系统中重要组件的正常工作有重要意义。
Finally, a simple four nodes reliability test system is been applied for assessing to demonstrating protection can adaptive adjust the blocking criterion function to the trend turned under continuous fault conditions, confirmed the safety of the relay device. 对4节点简易可靠性测试系统的评估结果表明,继电保护具备连续故障条件下自适应潮流转向而调整闭锁判据的功能,证实了继电装置的安全度。
In order to ensure the safety of power grid, relay protection act as an important role. 为了保障电网的安全,继电保护承担了及其重要的作用。
AX Safety relay is one of basic elements used in engineering control system. It has been widely used in the equipments of railway. AX型安全继电器是电气控制系统中的基础低压电器元件之一,它广泛应用于铁路设备中。
The study of reliability of AX safety relay is an important task in the study domain of railway signal. It can not only prove the theoretical level of the study on the reliability of AX safety relay, but also bring the great market value. AX型安全继电器的可靠性研究是铁路信号研究领域内的一个重要课题,不仅可以提高我国AX型安全继电器的可靠性研究的理论水平,而且可以带来极大的市场价值。
In order to make the high speed railway safety and reliable operation, it need effectively control the power supply system, thereby setting of relay protection. 为了能使高速铁路安全可靠的运行,就需对整个供电系统进行有效地控制,设置继电保护。
Along with the locomotive speed of continuously increase, reliability, safety and high efficiency is demanded. Relay control system of the electric locomotive will is less and less adapt to the railway high speed and heavy load. 随着机车速度的不断提高,对机车运行的可靠性、安全性及高效性提出了更高的要求,电力机车有触点继电器控制系统将越来越不适应铁路高速和重载发展的需要。