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Although the measures such as the simulation method with detailed generator model in which the dynamic behavior of exciting system is taken into account and installing power system stabilizers in main generators of Northeast Power Grid were adopted, it was still unable to effectively verify the reasonableness of parameter setting of PSS as well as its integrated matching result, and there was not enough scientific foundation for the selection of power grid model, especially load models. Moreover, it was hard to make accurate quantitative analysis, even though the qualitative analysis, on the close extent of selected models to actual operation of power grid.

虽然采取了计及励磁系统动态行为的详细发电机模型的仿真方法、在东北电网重要发电机组上加装电力系统稳定器(power system stabilizer，PSS)等措施，但PSS参数整定的合理性及整体匹配效果无法得到有效验证，选择电力系统模型尤其是负荷模型还缺乏足够科学依据，对所选模型与电网运行实际的贴近程度也很难做出准确的定量甚至定性的分析。

This time designs the topic is 4*125MW power plant electricity preliminary design, this power plant is a topicality important thermal power plant, this factory plan installs four 125MW condensation type thermoelectricity generation unit, the aggregate capacity 500MW close middle-scale power plant scale, this institute is located middle the city.

摘要本次所设计的课题是4*125MW发电厂电气部分设计，该发电厂是一个地区性重要的火力发电厂，计划安装四台125MW凝汽式火力发电机组，总容量500MW接近中型发电厂的规模。

Firstly, according to the operating features of tie-line, the key decision factors deciding the operating mode of tie-line are extracted, a rule base of definition of tie-line operating modes is established and a discriminative model of tie-line operating modes is proposed; then during the design of the interface with data of EMS, the flow sheet for tie-line power flow monitoring is optimized; finally, an on-line monitoring system for tie-line power flow, which possesses the functions such as definition of tie-line operating mode rule base, transmission line operating mode monitoring and tie-line power flow monitoring, is developed, and the developed system can provide report forms of statistical analysis on transfinite record of tie-line power flow.

结合电网断面的运行特点提取了决定断面运行方式的关键因素，建立了断面运行方式定义规则库并提出了断面运行方式判别模型。在与EMS的数据接口设计中，对断面潮流监测流程进行了优化。在此基础上开发的电网断面潮流在线监测系统具有断面运行方式规则库定义、线路运行状态监测及断面潮流监测等功能，还可提供断面潮流超限记录的统计分析报表。

On the basis of analysis on the dynamic frequency after power vacancy,the reason of unideal function of traditional device are dissected: it is set by using assumed load and power vacancy.The changed range of real load power and real power vacancy lead to big error.

在对电力系统出现功率缺额后的动态频率特性进行分析的基础上，剖析了传统低频减载装置动作效果不理想的原因：用假定的负荷和假定的功率缺额整定，由于实际负荷功率和实际的功率缺额变化幅度很大，而造成很大的误差。

This thesis uses DEA to compare the WANO's performance indicators among three nuclear power plants in Taiwan. We take the past 7 years'(1997-2003) data of 3 plants, there are 21 DMUs totally. Due to the importance of the nuclear power plant safety performance , we adopt the output estimation by assuming the input as a constant; Five outputs parameters such as unit capability factor, unplaned automatic scrams are chosen to proceed the comparison and get the relative efficiency. We also collect the WANO performance indicators data of the same type nuclear power plants as Taiwan in the United State during 1999-2003 to proceed the same comparison with the domestic three nuclear power plants , in order to understand the relative efficiency between two groups.

本文系利用数据包络分析法，针对台湾地区三座核能电厂之世界核能协会绩效指标的实绩进行实证比较，研究对象是以这三座电厂过去七年（1997--2003）来的实绩比较，每一年度为一个评估单位，共有21个DMUs，由於核能电厂安全绩效之重要性甚高，故本研究纯粹以产出项为考量的绩效评比方式，故将投入项设为常数；产出项则选取机组容量因数、非计划自动急停次数等五项参数，进行评比求出其相对效率；另外也收集了1999—2003年美国同型电厂之WANO绩效指标实绩进行比较，以了解国本国三座核能电厂相较於美国电厂之相对效率为何？

Under power supply voltages 5, 3.3, 1.8 V, using 0.24 μm process to carry out PSPICE simulation, the proposed XOR gate can save power consumption up to 36.5%, while power-delay-product up to 68.0% as compared with the published designs, which shows that the proposed design has advantages in power and delay.

在5、3.3、1.8 V电源下，经PSPICE在0.24μm工艺下模拟，与已发表的异或门电路设计相比，新提出的电路功耗和功耗延迟积的改进分别高达36.5%和68.0%，说明本文设计的异或门电路在功耗和延迟方面具有优势。

With the development of power system, many factors make the operation of power system to be not balanceable in three phases, so it is necessary to do three-phase power flow calculation under the unbalanceable state in the programming, design and operation of power system.

近年来，随着电力系统的发展，很多因素使系统的运行具有更大的不对称性，因此有必要在规划、设计及运行时进行不对称情况下的三相潮流计算。

Owing to the reducing of ballasting resistance, RF power HBT will provide higher output power, power gain, and power-added efficiency in an amplifier block.

由于R的减小，功率HBT将能提供更大的输出功率、功率增益和功率附加效率。

The adaptor is a must for numerous computer peripherals. As an important computer exporter worldwide, the dc power supply industry is bloomy in Taiwan. In today's dc power supply market, the switch power supply has replaced the linear adaptor as main stream in the industry globally for its compact size. However, SPS has a serious problem of high frequency electromagnetic interference and causes harmonic feedback for the AC power source compared with linear adaptor. The energy consumption is also worse for SPS than linear adaptor.

摘要整流器是许多电脑周边设备不可或缺的电能，而台湾又是电脑及周边产品出口大宗国，因此电源供应器产业澎勃发展是必然的，其中轻薄短小及输出稳定之交换式电源供应器(Switch Power Supply：SPS)，已取代传统线性整流器的地位，成为外销主力并取得世界龙头地位，然SPS有严重的高频电磁干扰问题(150KHz~300MHz)，在交流电源侧产生的谐波含量，也较线性整流器来得严重，为一耗能产品。

A number of research outcomes were concludedThe main conclusions: 1 the capital intensive, recourses intensive, scale-based benefit, high pollution and high industrial correlativeness are five most influential factors in paper industry; 2 theoretically, resources endowment, financing ability, quality of enterprise, structure of industrial organization, relevant industries, and the institutional environment are six key components of competitive power for regional paper industry. Among them, quality of enterprise, financing ability and the structure of industrial organization are the key elements for regional competition in paper industry; 3 the assessment of the competitiveness power of Fujian paper industry has showed that during 1999-2005, the competitiveness power of Fujian paper industry was stable; 4 financing ability and the structure of industrial organization have positive impact on the competitiveness power of paper industry; 5 The SWTO analysis shows that the advantage of Fujian paper industry is resource abundance, however, the disadvantages are financing ability and the structure of industrial organization.

主要结论有：①资本密集、资源密集、规模效益显著、污染型、产业关联度大等5个方面是造纸产业最为重要的5个特性；②从理论上分析，区域造纸产业竞争力的主要构成要素包括资源禀赋、融资能力、企业素质、产业组织结构、关联产业与制度环境等6个要素，其中企业素质、融资能力与产业组织结构是区域造纸产业的核心要素；③从福建省造纸产业综合竞争力的纵向测评结果来看，1999-2005年福建省造纸产业综合竞争力的表现较为稳定；④融资能力与产业组织结构对区域造纸产业竞争力具有显著的正向影响作用，它们是区域造纸产业竞争力最重要的影响因素；⑤根据SWOT分析结果表明，福建省在资源--对区域造纸产业竞争力影响有限的因素—拥有竞争优势，而在融资与产业组织结构等—对区域造纸产业竞争力有重要影响的因素-处于竞争劣势。

You can do some assertiveness training.

你可以进行一些自信训练。

We were well on the path to making a rear-wheel-drive global platform," says Mays."

我们正致力于建立一个后轮驱动的平台，"Mays这样说道。"