一种基于IEC61850的变电站智能电子设备的模型设计

在变电站新型通信网络和系统协议IEC61850的基础上,研究智能电子设备IED(Intelligent E lectron icDevice)的模型,以变压器差动保护为例,分析了IED在IEC61850中的体系结构、逻辑模型、信息流,设计了该IED的数据对象模型,阐述了采样测量数据基于发布/订阅方式的传输原理,给出了仿真试验说明该IED设计的先进性和可行性。     

IEC 61850在继电保护故障信息处理子站系统中的应用

变电站继电保护故障信息处理子站系统是变电站通信网络与系统中一个具有特殊功能的智能装置。文中提出了IEC61850在继电保护故障处理子站系统的应用特点，并对其应用进行了合理的裁减，同时探讨了保护故障信息协议转换的不同模式。应用的核心为子站的上行接口应符合IEC61850的标准，实现其向其他主站开发商开放。     

低压开关设备与控制设备的IEC标准与UL标准对比分析

对比分析了世界上最受公认并影响着低压开关设备和控制设备的设计和应用的两大系列标准即IEC标准与UL标准，以期对标准本身的内容以及对电器产品研究开发及系统的应用有更好的理解。     

LED参数测量标准——CIE和IEC的比较及其它

比较了CIE(国际照明委员会)和IEC(国际电工委员会)两个国际组织对LED(发光二极管)参数测量标准某些方面的不同表述,指出各自特点,提出一些建议。     

射频识别读写设备应用设计

主要结合对射频识别原理和组成的分析采用符合ISO/IEC 14443A标准的Philips公司MIFARE技术的MFRC500射频集成电路芯片、ATMEL89C5l单片机芯片及辅助电子元器件等来实现射频卡读写设备的设计。该设计首先对射频IC卡读写设备原理进行分析，再根据其原理完成硬件电路设计和软件功能实现，最后在此基础上配置相应的通信协议，来具体实现射频IC卡读写设备的各种操作接口以供射频识别系统的应用。     

继电保护故障信息系统的通信协议探讨

介绍了继电保护及故障录波器信息处理系统的构成、任务及信息传输的特点、要求和相关的国际标准,提出了故障信息系统的主站和子站的通信协议采用IEC60870 5 103和FTP组合的协议方案,分析了该通信协议如何满足所传送信息的需要及与现有的电力数据通信网络中不同类型通道的结合方式;接着介绍了子站系统内部采用以太网,接入不同类型装置和录波器的方案,提出了协议转换采用尽量下放到接近装置,分散处理的原则;也介绍了与现有的厂、站自动化系统的通信协调;最后分析了故障信息系统兼容或采用IEC61850标准的问题。还介绍了     

Laboratory testing of process bus equipment and protection functions in accordance with IEC 61850 standard. Part I: Electrical arrangement and basic protection functions tests

The use of process bus modern technology in accordance with the IEC 61850 protocol allows performing modern measurement and improving the protection automation system. It also allows for the integration and complex building of functional automation and control systems based on network devices in Ethernet technology. The paper presents measuring tests of a process bus equipment and the operation of protection functions based on measurements.     

Challenges and research directions for heterogeneous cyber–physical system based on IEC 61850: Vulnerabilities,security requirements,and security architecture

IEC 61850, an international standard for communication networks, is becoming prevalent in the cyber–physical system (CPS) environment, especially with regard to the electrical grid. Recently, since cyber threats in the CPS environment have increased, security matters for individual protocols used in this environment are being discussed at length. However, there have not been many studies on the types of new security vulnerabilities and the security requirements that are required in a heterogeneous protocol environment based on IEC 61850. In this paper, we examine the electrical grid in Korea, and discuss security vulnerabilities, security requirements, and security architectures in such an environment.     

A service interruption free testing methodology for IEDs in IEC 61850-based substation automation systems

This paper presents a methodology for the testing of intelligent electronic devices (IEDs) in IEC 61850-based substation automation systems (SAS), without any service interruption to the end users, during the testing process. IEC 61850-based SAS provides opportunities for a new level of substation operation, enhancing operating efficiency, and protection reliability based on Ethernet-based communication networks. Due to these changes to the conventional substations, importance and dependency on IEDs is increasing rapidly. Frequency of faults occurring in the power systems is random in nature and is unpredictable. It is necessary to test and maintain the IEDs to ensure their proper operation at crucial times. This paper presents a novel methodology for testing the IEDs, without compromising the service reliability during the testing process. The proposed methodology exploits the inherit characteristics of IEC 61850 standard i.e. Network - based communication, interchangeability between multivendor IEDs, and engineering based on substation configuration language (SCL) files. The feasibility and robustness of the proposed method has been verified by performing several performance verification tests with different performance metrics.