开关磁阻电机功率变换器主电路拓扑的研究

介绍了开关磁阻电机各种功率变换器的拓扑结构，并且对其基本结构特点和性能做了比较，为设计功率变换器提供了选择依据，各种不同的功率变换器适合不同的工作情况。文章还简单说明了设计功率变换器主要的要求和依据，以及如何选择主开关器件。     

特殊地质条件的铁路基础设计

根据实际工程情况，介绍了特殊地质条件的铁塔基础设计，为今后各种地质条件的基础设计提供了一些实践经验。     

杆塔试验应变电测中的EMI与EMC设计

此文介绍了杆塔试验应变电测中受到的各种电磁干扰，推导出干扰模型，并提出进行电磁兼容设计中的各种抗干扰措施。     

新型ESD系列施工用配电箱及其应用

从安全和可靠性的要求出发，介绍了新型施工用ESD系列配电箱的设计思路，主要技术性能及应用，新型的结构及功能配置，使配电箱更加实用和安全，为满足各种不同使用场合的需要，设计和开发的多种不同类型的产品可应用于各种行业。     

电力交易方式及市场竞价结算机制

分析了电力市场的各种交易方式，并论述按边际电价结算的设计原理及存在问题。借鉴世界上电力市场的经验教训，指出应合理安排各种电力交易方式所占的比例，并根据具体情况设计竞价及结算体系，以积极稳妥地推进电力工业的市场化进程。     

接地型式与保护配置

概述了各种接地制式的低压配电系统，通过对其在各种故障状态下的分析，指出了它们的应用范围，提出了各自的保护方式，以及如何设计和选择剩余电流保护器（RCD）。     

岩滩水轮发电机圆盘式转子支架

主要介绍了岩滩水轮发电机圆盘式转子支架的设计，分析了结构的技术特点及装焊特点，并与国外同类产品进行了各种技术比较，为我国大型电机设计，制造提供了参考。     

无源电力滤波器及其实用化设计软件包

对无源电力滤波器的各种设计方法进行了分析，提出了工程设计中宜采取的谐波滤波方案；开发了电力滤波器实用化设计软件包，为滤波器设计提供了有力的工具。最后还以某冶炼厂为例进行了应用校验，获得了理想的设计结果。     

发电机内部故障仿真分析软件的基本原理

将交流电机的多回路分析法应用于发电机内部故障分析计算，编制了仿真计算软件，介绍了软件的特点、界面和结构。该软件考虑了气隙谐波磁场、绕组的各种连结方式、线圈空间位置的影响，可以用来分析交流电机各种形式的内部和外部故障，计算电机所有电压和电流等电气量，定子任意支路电流的组合用于各种保护方案的分析。该软件适合于大中型发电机主保护设计整定计算，是发电机内部故障分析方法与主保护设计的创新。     

基于特征依赖图的仪器仪表特征造型建模

仪器仪表计算机辅助设计系统中因器件精密关系复杂而导致在建模的过程当中容易出现不能正确维护设计者的意图的缺陷，本文针对这个问题，采用变量化特征造型方法设计系统，并提出用特征依赖图的数据模型来组织各种仪器仪表特征，以正确无误实现设计者的思想。特征信息用各种完全语义约束来保存和维护，而且特征的语义约束能够双向保持，从而保证了语义的完整性和双向一致性，仪器仪表的可靠性设计，维修性设计，现代化设计在一定的程度上得到了极大的提高。     

加强竞争情报的研究，促进电力企业的发展

阐明了竞争情报的含义和作用,加强竞争情报的研究,以促进电力企业的发展,提高其国内、外的市场竞争能力;同时还阐述了要发挥电力企业的优势,积极构建电力企业的竞争情报系统,使其成为电力企业决策的高效低误差的辅助工具。     

Amish Technology: Reinforcing values and building community

The Amish believe that their society and their technology are inextricably intertwined. In an effort to maintain and protect their community of believers, therefore, the Amish require that every technology they use not only conforms to, but reinforces their tradition, culture, and religion. They achieve these goals through two primary techniques. First they choose technologies that they believe will best promote the values they hold most dear - values like humility, equality, and simplicity. Thus they have rejected the speed, glamour and personal expression of automobiles in favor of modest, slow. and community-building horse- drawn buggies. Second, they deliberately choose tools that are different from those used by the outside world. This differentiation helps them maintain their unique identity, bonds their community, and ensures that they will continue to be able to accept technology on their own terms. The Amish view technologies as value-laden tools and use these tools to reinforce their values and build their community. While many scholars of technology have argued that this is the case, the Amish employ the idea in order to build the world they want to live in.     

Improving oral medication compliance with an electronic aid

Demographic trends indicate that populations in the U.S., Europe, and Japan are aging rapidly. As people age, they will seek more health-care services and ingest more oral medications. Poor compliance in taking medications is especially problematic in the elderly because of the changes in their metabolism, cognitive skills, and physical abilities. Simple devices, special packaging, and physical aids, while offering some improvement, do not appear able to answer this challenge. Drawbacks to such mechanical devices include their inability to accommodate multiple medications, their inability to remind patients when to take their medications, their inability to be easily reprogrammed for different dosage regimens, and their higher packaging costs. Electronic medication compliance dispensers, such as the MedMinder, appear to address many of these issues, but their true utility awaits definitive results from further development and clinical field trials     

A database system for power systems customers and energy efficiency programs

In this paper the design and development of a database for the registration of power utilities’ customers and their energy behavior are described. The database also includes the customers’ devices and buildings, their demand curves, their tariffs, their connection with power and gas networks, as well as the measures of demand side management and energy saving, which can be implemented. The main purpose of this database is to support end-use models and load forecasting algorithms for individual customers or their respective clusters, to study the effects of energy efficiency programs and to evaluate the last ones financially. It can be a useful tool for retailers, distribution electricity companies or regulatory authorities of energy.     

An engineering practices course

A so-called capstone design course at the University of Texas at Arlington (UTA) that maximizes engineering practices is described. The central design project is essentially used as a vehicle for the presentation and experience of engineering practices. To the extent possible, the students are afforded a real-life industry experience. They work in teams, select and propose their systems/projects, specify their systems, plan their projects in depth, design and test their systems, document and orally present their project, and demonstrate their systems. Where appropriate, practices lecture topics are synchronized with the project requirement, providing student preparation and reinforcement. Although the course is part of the Computer Science Engineering program (continuously ABET accredited since 1983), the format and most of the specifics can be applied to any engineering discipline     

谈机械制图与计算机绘图的融合

提出工科高职技术院校机械制图教学中全面融入计算机绘图技术,构建以培养机械制图能力为重点,以培养机械设计表达能力和空间思维能力为核心,全面提升学生的综合绘图技能的机械制图与计算机绘图相融合的教学新模式.     

Applications of polyimide films to the electrical and electronicindustries in Japan

The development of polyimide films in Japan is discussed. The chemical structure of the films and their polymerization mechanisms are described. Types of polyimide films are identified, and their characteristics are examined. Special attention is given to their thermal and chemical properties and their radiation resistance. Applications of polyimide films to rotating machines, integrated circuits, tape-automated bonding, flexible printed-circuit boards, electric wires, aerospace and nuclear equipment, and recording devices are discussed     

西门子PLC在水平母线铸造机控制系统中的应用

为了有效控制水平母线铸造铸造机的运行过程与监视,降低水平母线铸造机的运行故障,提高水平母线铸造机的生产效率的目的;采用成熟的PLC控制技术,运用PLC模块化编程的方法;获得了运用成熟的PLC能实时有效的控制水平母线铸造机平稳运行的结果;得到了采用PLC自动控制系统,可有效实现控制水平母线铸造机平稳运行的结论。创新点在于采用PLC控制系统代替了传统的电气控制系统;具有经济高效、稳定、维护方便、降低电能损耗等优点。     

日本太阳能光伏发电系统的政策和实例

调查分析了日本自1974年以来对太阳能光伏发电系统所采取的技术开发和普及政策措施,并对两个屋顶太阳能并网光伏发电系统的发电情况以及电力消费情况进行实测,通过对其发电量与电网之间的买卖电量、消费电量等的分析,评价了光伏发电系统的节能、环保和经济性效果,可供国内发展光伏发电借鉴.     

CDF-based Reliability Insurance Contracts Considering Free-riding

As a result of many disadvantages faced by the regulator in current regulatory schemes, reliability insurance scheme (RIS) has been introduced as a new regulatory scheme. This scheme allows consumers to determine their coverage levels according to their value for reliability services (i.e., cost incurred for outages), and pay corresponding premiums to the utility. The utility is then required to reimburse consumers for outages according to their outage cost. The consumer’s outage cost is extremely dependent on the duration of outages and this dependency is well defined by a function known as a Customer Damage Function (CDF). To enable consumers to fully cover the reliability risks, utility should provide consumers with contracts which allow them to select coverage levels according to their CDF.Due to the inflexibility of electrical grids, most utilities cannot differentiate the reliability services at the household level and so the public good aspects of the reliability services are emphasized. In such circumstances, selfish consumers can misrepresent their willingness to pay for the reliability services and benefit from their neighbors’ choices (i.e. free-ride on the reliable services provided for their neighbors). Free-riding may lead to the underinvestment in the grid. In this paper, primarily, CDF-based insurance contracts are designed and in following, a method for solving the free-riding problem is presented.