送电管理所生产管理软件的设计与开发

简要介绍了送电所生产管理软件的结构和技术特点，在分析客户机／服务器（Client/Server)与浏览器／服务器（Browser/Server)的优缺点的基础上，该软件采用了这2种模式相结合的结构，并在开发过程中全面地采用了面向对象技术和UML建模技术，针对软件的要求和特点，提出使用组件式GIS实现管理信息系统（MIS0和地理信息系统的结合，通过基于角色／用户的权限管理和任务管理系统加强了此软件的安全管理和流程管理，方便了软件的管理和用户的使用。     

短时傅里叶变换和S变换用于检测电压暂降的对比研究

针对电压暂降的特征值检测问题,介绍了短时傅里叶变换(STFT)和S变换两种时频分析法,并对两种方法进行了对比分析。在STFT变换中选取不同窗宽的窗函数对同一电压暂降信号进行时频分解,分析不同窗宽对检测结果的影响。提出用时频等值曲线定位暂降的起、始时刻,用基频幅值曲线检测暂降幅值,用相位跳变曲线判定暂降发生时相位是否跳变。仿真结果表明,在STFT变换中窗口越小,检测结果越准确;与STFT变换相比,S变换的检测结果更准确,并且抗噪声能力强,有助于电能质量的治理。     

A Comparative Perspective of Risk Management in the United States and Japan

A comparative analysis of risk management approaches in the United States and Japan is presented. Generally speaking, risk management institutions and authorities in both countries confront similar difficulties in each aspect of risk management, from identification to regulation and resolution. However, there are important differences between the two countries in the approaches and the sources utilized to manage risks. The Japanese tendency to use administrative guidance, informal persuation, and education in its governance activities contrasts sharply with the more open and adversarial policy-making process in the United States. These general characteristics of governance carry squarely over into each country's characteristic risk management processes.     

It takes a multiagent system to manage distributed systems

This article describes a new multiagent system for the management of distributed systems. The system is proposed to optimize the execution of management functions in distributed systems. The system includes the function of each agent and the interactions that occur among agents. The proposed system uses two mobile agents. The first is use to submit tasks to the subnetworks of the distributed system and the other collects results from these subnetworks. The proposed multiagent system is implemented using IBM aglets developed by Lange and Oshima with Java virtual machine (JVM)     

Web-based system for managing a telematics laboratory network

This paper presents a Web-based system for managing a telematics laboratory network that supports practical activities in different courses from the Telecommunications Engineering degree in the Polytechnic Center (University of Zaragoza, Zaragoza, Spain). The system is used in two different ways: the teachers use it to design and apply the network configurations required in the laboratory for the selected practices, and the students use the system in the Network Management course to learn about Web-based network management, with special emphasis on simple network management protocol (SNMP) strategies. The network manager remotely controls and monitors computers and communication devices in the laboratory by using SNMP. The system is able to define (or load predefined) configurations by establishing the desired logical connections between the devices, segmenting the hubs, defining virtual circuits, etc. It also enables facilities to discover and depict the network configuration and to provide network management and monitoring and traps management. The system constitutes a helpful tool for the teachers to configure the laboratory network and also permits the students to apply their network management skills.     

Supplementing demand management programs with distributed generation options

Ever increasing electrical energy demand is forcing power serving entities around the world to use various demand management programs to help in stressful times of the electric power grid. Demand management programs aim to control electrical energy demand among customers and create load relief for electric utilities. Recently demand management contracts have been designed in which incentives are offered to customers who willingly sign up for load interruption. In recent years much technological advancement has been made in distributed generation, and the cost of using this option can bring about extra flexibility into existing demand management schemes. This paper explores the use of distributed generation technology within the existing demand management ideas. More specifically, it compares economic aspects of using demand management contracts with the use of distributed generation. A key observation of this paper is that there may be cases where it is more beneficial to use distributed generation rather than demand management contracts.     

UPS的网络监控

网络应用的日益普及要求有可靠的UPS系统 ,UPS系统又通过网络的监控取得最佳的运行状态、最短的停机时间和最高的管理效率 ,UPS网络监控软件的内容非常丰富 ,充分利用其各项功能对提高UPS的管理水平大有帮助。本文在论述UPS网络监控原理的基础上介绍了两种较典型的解决方案。     

Evaluation of Load Management as an Electric System Resource

Load Management is currently being evaluated by many utilities, including San Diego Gas & Electric (SDG&E), as a demand-side alternative to conventional electric system resources. The industry has identified improved load factors, capacity benefits, and lowering system costs as major operational benefits of load management, but there are still many uncertainties associated with its use as an electric system resource. This paper will address two specific areas. The first area is intended to establish general resource requirements, from the operating standpoint, that can be applied to all resources, Conventional and Alternate. The second area will address the potential of load management as an electric system resource. The SDG&E air conditioner control program will be evaluated in detail utilizing the established resource requirements.     

多时段下计及可中断负荷的电网输电阻塞管理

将可中断电力合同引入多时段下的输电阻塞管理。首先分析了一种实际应用的可中断负荷期权合同,并结合这种合同在多时段条件下建立了输电阻塞管理模型;然后针对该模型利用遗传算法设计了一套多时段最优潮流求解程序;最后通过算例对传统阻塞模型和上述阻塞模型进行了比较。分析结果表明,本文提出的模型实现了可中断负荷在输电阻塞管理中的最优使用,且更有利于实现社会效益的最大化。     

单片机片内定时器资源在数字式交流调压器中的应用

开关性交流调压器分为两种调压方式：调相调压和调功调压。本文介绍的微机调相控制四路数字化交流调压器，采用较少系统配置，通过合理利用单片机片内定时器有限资源，可有效地实现对四路调压器异步调压的脉冲时序管理。     

安徽电力数字档案馆建设

安徽省电力公司数字档案馆的建设,主要从档案信息管理平台建设和历史档案数字化处理两方面工作入手,目前已建成了全省统一,范围涵盖省、市、县三级,包括档案的收集、管理、利用等功能全面的档案信息管理平台,完成了2 700万页的历史档案数字化处理任务。数字档案馆的建设实现了档案信息传输网络化、档案管理自动化和档案信息利用在线化,提高了档案工作管理水平,充分发挥了档案部门的信息服务功能,为生产、管理和决策提供优质服务。     

电力企业的风险管理

分析了电力市场环境的特点,运用风险管理理念,总结了电力企业的常见风险类型,介绍了4种常用的风险控制方法,并结合电力企业中变电站安全风险管理应用实例分析了风险管理理念在实际电力企业中的运用。     

高质量发展新时代电力需求侧管理升级方向

顺应高质量发展新时代对电力需求侧管理的更高要求,电力需求侧管理应升级发展。探讨了电力需求侧管理升级发展的3个方向:一是用电宏观管理升级,二是用电微观管理升级,三是综合用电服务升级。     

基于公众电话网的住宅远程智能报警和遥控系统设计

提出了一种价格低廉、功能齐全且具有遥控和家控两种操作方式的基于公众电话网的住宅远程智能报警和家电远程控制系统,既适合普通家庭使用,又可广泛应用于智能小区管理系统中.该系统具有较高的实用和推广价值.     

一种网络化保护故障信息管理子站系统的设计思想

分析了目前国内超高压变电站自动化系统的两种网络结构及其技术特点，在此基础上提出了一种基于超高压变电站自动化系统的保护故障信息管理子站系统的设计方案，其技术关键是建立在网络通信基础上的微机保护设备应采用统一、标准的通信协议，并采用统一的时钟对时。     

火电厂能源管理系统方案研究

从能源消耗的角度对电厂能源管理系统进行研究,全面、细致地分析了电厂能源管理系统的方法及内容,介绍了能源管理系统软件的结构及方法的实施,为电厂能源管理工作的规范化、标准化提供了基础。     

配电系统改造及自动化实施对供电可靠性提高的分析

供电可靠性每增加一个百分点,供电企业为改善供电可靠性而增加的费用将急剧增加。为此,引用了国外对配电系统可靠性的一些参考指标及工程计算方法,分别对配电自动化的主要手段——电缆故障指示器及配电管理系统对可靠性提高的影响进行分析,找出实施配电自动化系统的最佳切入点。指出只有当停电费用损失系数达到一个较高的数值时,投资配电管理系统才有适当的投资回报。     

Decentralized approach to intermarket congestion management

When transmission bottlenecks affect dispatches and prices of neighboring Regional Transmission Organization (RTO) markets, intermarket congestion management and coordination are needed to mitigate congestion and to compute economically efficient prices in the day-ahead markets. This paper discusses and proposes two decentralized processes with which each RTO administers its energy market and also acts as a transmission coordinator to achieve feasible and efficient use of congested transmission by all markets in the region (interconnection). With this arrangement, a new decomposition technique is introduced without breaking a network model at the RTO's geographical boundaries. The paper then presents two decentralized congestion management formulations to model markets interactions in the interconnection. The coordination between market operators and transmission operators is based on the use of congestion price signals or allocated megawatt capacities, as well as their sensitivity information. The proposed solution ensures not only feasible schedules but also efficient and consistent congestion path prices for the final schedules in the entire interconnection. Numerical examples are given to illustrate the application of the proposed models.     

基于大数据分析的电网车辆评价模型的研究应用

地市供电公司涉及基层单位多,每个基层单位根据生产需求需要配置车辆。如何在基层单位间开展车辆的合理分配、跨单位间的调拨、精准报废等工作,需要科学有效的评价手段。本文利用大数据分析技术,挖掘统一车辆管理平台车辆数据价值,提出了单位车辆使用评价指数模型和单个车辆报废评价指数模型,以某供电公司车辆使用数据进行模型验证,以数据结果支撑车辆分配、调拨、报废工作,让车辆分配更合理、报废更精准、调拨更科学,有效提升车辆精益化管理水平。     

风险管理在变电运行班组的应用

阐述了作者对风险管理本质认识,指出风险管理并不神秘,它其实就在我们身边,就是班组的日常工作。并以变电运行班组为例,介绍了风险管理的流程和具体的方法。