浅析电气防误闭锁系统的完善方案

微机防误闭锁系统就是防止运行人员的误操作这类事故而采取的一种积极措施.但是它是在微机上实现的,是虚拟的.它只能满足运行值班人员的操作要求,并不能完全解决检修人员和其它原因的误操作问题.因为在检修、试验过程中,这时的拉合是由检修人员执行,在不能依赖微机防误闭锁装置的前提下,电气二次回路联锁就成了最后一道防线.此外,还有二次操作回路一点的绝缘破坏、无关的人员误碰等原因造成外力原因误操作事故.为此,本文就电气防误闭锁与现代微机五防系统在防误性能、可靠性及运行操作、检修维护等几个方面做了比较,提出了完善的防误闭锁解决方案.     

发电厂微机防误闭锁装置的运行与应用

文章系统阐述了发电厂微机防误闭锁装置工作原理、主要配置、功能特点,着重分析了发电厂微机防误闭锁装置运行及应用,并提出了微机防误闭锁装置运行及应用存在的问题和解决措施,有效地防止电气误操作事故的发生,确保了发电厂安全生产。     

电气二次防误闭锁与微机防误闭锁分析

随着现代科学技术的不断进步,微机防误闭锁已取代传统的电气二次防误闭锁技术,成为了电力系统安全运行的重要措施,但是是否利用微机防误闭锁系统就能够完全阻止运行值班人员、检修人员以及其他人员误操作?新建变电站在配置了微机防误闭锁系统后,是否可考虑不设计电气二次回路闭锁?对此,文章提出了一些看法。     

电气防误闭锁与现代微机五防系统

近年来,随着微机防误技术的应用和发展,微机五防广泛运用于新建或扩建的发电厂及变电所,同时,许多老厂、变电所也在进行微机五防系统的加装或改造。电气防误装置是防止误操作的重要技术措施,本文就电气防误闭锁与现代微机五防系统在防误性能、可靠性及运行操作、检修维护等几个方面做了比较,提出了完善的防误闭锁解决方案。     

电气防误闭锁与现代微机五防系统

近年来,随着微机防误技术的应用和发展.微机五防广泛运用于新建或扩建的发电厂及变电所,同时,许多老厂、变电所也在进行微机五防系统的加装或改造.电气防误装置是防止误操作的重要技术措施,本文就电气防误闭锁与现代微机五防系统在防误性能、可靠性及运行操作、检修维护等几个方面做了比较,提出了完善的防误闭锁解决方案.     

GIS（封闭组合电器）在线可维护感应式带电显示装置研究

针对国家电网公司对电网安全运行的要求，本文主要研制一种可带电安装、维护的感应式GIS带电显示装置在实际应用中有切实的意义。该装置能与电磁锁，机械程序锁、微机闭锁等防误装置配合实施强制闭锁，是户外（户内）电气网络或设备上防止电气误操作的较理想的安全装置。     

电气防误闭锁在发电厂中的应用研究

目前,大多数发电厂已将防误闭锁装置改造为微机防误闭锁装置,从而对"杜绝人为误操作"方面产生了积极的影响。电脑微机防误装置相对于电气防误闭锁装置有十分明显的优势。文章从电气运行角度出发,结合多年的生产运行实际经验,对发电厂防误闭锁等问题提出了见解。     

浅谈变电站防误操作因素与控制措施

近年来,误操作事故在电力系统运行中频发。它可能造成大面积停电、电气设备毁坏、系统振荡瓦解,甚至造成人身伤亡事故。为了有效防止电气误操作事故的发生,加强防止电气误操作装置的管理,保障电网安全运行,本文笔者主要针对发生误操作的原因进行分析,对防误操作管理提出了自己的建议及控制措施,力求防患于未然。     

浅谈提升变电站防误闭锁管理的措施与方法

为了有效防止运行电气设备误操作引发的人身和重大设备事故,文章根据变电站现有的防误闭锁方式,并依据设备操作时需要考虑的防误功能要求阐述提高变电站防误闭锁管理的措施与方法,实现变电站设备全寿命周期内的闭环式防误闭锁管理,从源头上预防和避免变电站防误操作事故的发生,加强变电站防误装置管理工作,提升防误闭锁管理水平.     

浅谈电气误操作的原因分析及措施

在发电厂和变电站运行中,电气倒闸操作是一项复杂而细致的工作,由于误操作往往会造成用户停电、损坏设备、人身伤亡和电网瓦解等重大事故,因此,为了防止误操作事故的发生,人们长期以来在组织措施和技术措施想了不少办法,但误操作事故仍有发生。为了杜绝误操作事故的发生,必须找出误操作事故发生的原因,并采取相应对策。因此认真分析电气误操作事故的原因和防范的措施,对于保证电力企业的安全生产具有十分重要的意义。     

Development in Information and Communications Technology (ICT) Statistics at the Australian Bureau of Statistics

This paper outlines the ICT statistical developments that the ABS has undertaken over recent years. These developments have been on both the supply side (ICT industry) and the demand side (use of IT by sector). The content of ABS ICT surveys has changed significantly over the last few years and are expected to develop further in line with industry changes and emerging policy needs.
Recent developments in household collections have been the inclusion of IT use questions in the 2001 Census of Population and Housing and in various ABS social surveys such as Children's Participation in Culture and Leisure Activities. Annual business IT use surveys are now conducted and include topics such as Internet commerce and IT security. Biennial ICT industry surveys are conducted to provide data on ICT production, imports and exports, ICT industry employment, performance and structure information. An Internet activity survey is run every six months and provides regional Internet access details and infrastructure details on Internet service providers.
A major development for 2002–03 will be the compilation of an ICT satellite account. ABS intends to produce an ICT Information Development Plan to guide its future statistical development work in the ICT field.     

Value at Risk in the Suburbs: Eminent Domain and the Geographical Politics of the US Foreclosure Crisis

Several US counties and local governments have recently considered a novel solution to the foreclosure crisis. They plan to use eminent domain to compel the owners of mortgage debt—and specifically of private‐label mortgage‐backed securities—to sell the debt to the government at a price reflecting the loan's market value. The government would then restructure the debt and resell it to new investors. The plans are striking because—in contrast to both development‐driven eminent domain and the federal subprime bank bailout—they would force investors to assume asset devaluation and increased long‐term risk. Notably, the plans have emerged as an instance of financialization‐focused politics in suburbs and suburban cities of color, specifically majority‐black and ‐Latino/a suburbs. Local support for the plans, we argue, is rooted in the long‐term disinvestment of these ‘suburbs of exception', which became targets of subprime lending and eventually sites where the ‘financial exception' has been localized. But these demographic shifts, fragmentation and fiscal pressures have at the same time created a suburban political terrain in which the plans have gained their strongest political support.     

Towards a Theory of Serendipity: A Systematic Review and Conceptualization

Serendipity – the notion of making surprising and valuable discoveries – plays a major role in the success of individuals and organizations alike. Previous research has established the importance of serendipity and identified important individual- and organizational-level antecedents. However, the literature has been dispersed and the boundaries of the concept have been blurry, leading to a lack of conceptual clarity and structure, and thus limiting validity and managerial actionability. Based on a systematic literature review, I synthesize existing management-related research on serendipity and explicate the emergence and composition of serendipity in the organizational context. I first identify three necessary conditions that differentiate serendipity from related concepts such as luck or targeted innovation: agency, surprise, and value. Then, I draw from the literature on sensemaking, event-based theorizing, and quantum-based approaches to management to conceptualize the process of cultivating serendipity in the organizational context as a process of enabling potentiality and materialization, and develop a multi-level theory of (cultivating) serendipity. This conceptualization contributes to our collective understanding of how, why, and when (i.e., under what conditions) organizations can leverage the value in the unexpected, which opens up fruitful avenues for further research.     

Accountability of NGOs in Bangladesh A critical overview

NGOs in Bangladesh have been recognized as effective change agents in the socio-economic arena throughout the world. Their contributions in micro credit, non-formal education and primary health care are widely known. NGOs play a significant role in society. NGO accountability, as a result, has become a critical issue. NGO accountability in Bangladesh has been examined here in relation to patrons, clients and themselves. Of the three relationships only accountability to patrons is in a near satisfactory state. Accountability to clients is handicapped by lack of opportunities of beneficiaries to participate meaningfully in NGO policy making. Accountability to themselves is adversely affected due to the adherence to a strictly hierarchical system and the influence of founding and charismatic NGO leaders.     

Towards an Asian model of human resource management? A comparative analysis of China,Japan and South Korea

There has been much discussion regarding the possible decline and weakening of national systems of human resource management (HRM). Yet, culture and institutions are often cited as the major stumbling blocks to this outcome. Such constraints may dissipate in the analysis, particularly if ‘regional clusters’ are considered where geographic and cultural closeness and ‘openness’ to similar economic pressures exist. In such cases, it might be postulated that convergence in HRM will occur. We argue that China, Japan and South Korea represent such a cluster. This article examines these countries, to see if a degree of convergence is taking place and if it is towards an identifiable ‘Asian’ model of HRM. A model of change is presented that distinguishes between levels of occurrence and acceptance. Details of the development and practice of HRM in each country are then set out. The article ends with a discussion and implications section and a brief conclusion.     

Ansätze und Ergebnisse anglo-amerikanischer M&A-Forschung

Based on a review of established U.S. management journals (1995–2003), six schools of thought are identified within the Anglo-American M&;A research: “Capital Market”, “Principal/Agent”, “Industrial Organization”, “Organizational Behavior”, “Human Resources” and “Strategic Management”. The literature review shows that the definition of M&;A success, the methods applied, and insights from empirical research differ according to the respective school of thought. Empirical studies focus on the resource combinations of merger partners, the specific circumstances of merger negotiations, and on integration management as antecedents of merger performance. Unfortunately, empirical findings have not yet provided reliable explanations for M&;A success. Based on the current state of Anglo-American M&;A research, the authors discuss implications for business practice, identify research gaps, and propose areas for future research.     

Introduction of New Technology with a Sound Transition of the Input-Output Structure

We examine the general equilibrium repercussions associated with the introduction of new technologies, using the generalized Leontief system that allows technological substitutions. We show that an untested introduction of cost-increasing technologies in any industry may result in creating a non-productive technological structure that does not satisfy the Hawkins-Simon condition, following the autonomous dynamic adjustment process with structural transitions in the economic system. Therefore, we propose a practicable control scheme of introducing cost-increasing technologies that strictly avoids the creation of non-productive structures in all periods of structural transition, using the available information on the ex ante technological structure.     

The Creation of the Office for National Statistics

A new Office for National Statistics was created in the United Kingdom in 1996 following a series of developments designed to strengthen the relevance and integrity of statistics. This paper describes these fundamental changes and sets out a blueprint for future progress. It also sets current developments in the United Kingdom in an historical and international context.     

What helps? Women engineers' accounts of staying on

We have considerable understanding of the obstacles that women engineers encounter and the reasons that they leave the field, but we know less about what enables them to remain. Adopting an interpretivist approach, this article examines how a group of British women engineers in two FTSE 100 companies account for “staying on” in their male‐dominated work settings. We delineate four specific forms of help that facilitate women's retention in the field. We argue that exposure to help leads to women developing a habitus that enables them to continue working in engineering. To conclude, we draw on our findings to outline HR practices that will facilitate supportive relationships in the workplace and pave the way towards developing more positive organisational climates.     

论现代物流企业的发展观

物流业经过诸多年的发展目前已经成为最热门的行业之一,物流企业的注册数量也与日俱增,达到前所未有的规模。毋庸置疑,任何企业都希望自己迅速做强做大,并成为真正现代物流企业的典型代表,要实现这一目标一个首要问题就是要解决现代物流企业的发展观问题。