共查询到19条相似文献,搜索用时 187 毫秒
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本文介绍我国第一台用于磁流体发电研究的微型计算机数据采集与处理系统,包括硬件结构简介和磁流体发电数据处理软件主要功能,并且附有部份磁流体发电机性能分析图表。 相似文献
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热化学再生磁流体发电系统——烧煤磁流体发电研究技术路线探讨 总被引:1,自引:1,他引:1
本文简要回顾了磁流体发电研究发展的历史,讨论热化学两者一磁流体发电系统的特点和意义,这一系统有可能导致烧煤磁流体发电技术的新突破。 相似文献
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磁流体发电由于具有综合效率高、污染低、结构简单、启动快等优点,作为一种新型发电方式,世界上许多国家都在不同规模上开展了各种类型的研究,其目的都是为了寻找一种比现有方式更为理想的能量转换方法。自从美国最早于1959年利用等离子体进行磁流体发电成功,并提出磁流体一蒸汽联合发电站的效率可达到60%以来,六十年代初许多国家纷纷上马,而且进展很快。当时认为,开环磁流体发电可能首先得到实际应用。六十年代中期以后, 相似文献
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烧煤磁流体发电机发电通道结构改进 总被引:1,自引:0,他引:1
本文叙述电功率百千瓦级烧煤磁流体发电机发电通道的结构改进要点,指出发电通道结构设计和加工装配中值得注意的技术细节,并讨论磁流体发电机结构设计的关键问题及发展趋势。 相似文献
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An approach to development of a combined energy-saving power source for self-contained power-supply systems with the use of
thermoelectric generating modules is proposed. A rearrangeable structure of a module battery providing the required power
quality is substantiated. An algorithm is developed to control the battery structure with the use of a mathematical apparatus
of statistical hypothesis providing the required voltage deviation with allowance made for optimum power characteristics of
each module. 相似文献
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Recently, an ACC‐CAES generating system has been developed by applying ACC (Advanced Combined Cycle) technology to a conventional CAES (Compressed Air Energy Storage) system. The ACC‐CAES has a potential advantage of high efficiency and high capacity factor over other energy storage. However, its advantages from the viewpoints of power system operation are not fully revealed because of its peculiar operation characteristics compared with other energy storage. The characteristics include (1) it requires fossil fuel even in the case of operation using stored compressed air and (2) it has an ACC generating mode as one of its generating states to be used as a conventional ACC generating system while detaching the air storage system. Therefore, it is necessary to examine operation patterns of the ACC‐CAES and its contribution to economic operation of a power system. In order to achieve the objective, operation simulations of a power system with ACC‐CAES generating systems are needed because operation of energy storage systems such as the ACC‐CAES must be studied through an operation scheduling of a power system. This paper develops an optimal daily scheduling method of a power system with both ACC‐CAES generating systems and pumped hydro storage systems using two‐dimensional dynamic programming. Sensitivity analyses are undertaken with the developed method; the results show that ACC‐CAES generating systems tend to be operated as a peak or intermediate power source that bears some similarities to thermal plants or storage systems and, from an operation point of view, they have an economic advantage over pumped hydro storage systems. © 2005 Wiley Periodicals, Inc. Electr Eng Jpn, 152(1): 15–23, 2005; Published online in Wiley InterScience ( www.interscience.wiley.com ). DOI 10.1002/eej.20087 相似文献
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风电并网对电网影响探讨 总被引:2,自引:0,他引:2
介绍了国内风电场常用的3种风力发电机,针对不同机组,总结了风电并网对电网运行方面的影响以及相应分析方法。同时分析了风电并网对电网经济方面的影响。 相似文献
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基于广域测量系统(WAMS)的大电网稳定控制是目前学术和工程界的研究热点。在WAMS环境中,一个不容忽视的问题就是PMU信号传输和处理过程中时滞的影响。介绍了同步相量测量技术和以此为基础的广域测量系统的四种结构,分析了PMU信息对区域电网控制的影响,在此基础上针对PMU信息滞后的特点提出了一种闭环区间阻尼控制策略。 相似文献
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随着风电机组容量的逐年增大,为减少大规模风电接入系统对电网的影响,对风电提出了新要求,即风电机组具有一定的低电压穿越能力。介绍了变速恒频双馈风电机组的基本结构,建立了双馈风电机组动态数学模型。以Matlab/Simulink为仿真平台搭建了系统仿真模型,结合风电场低电压穿越能力要求的规定,针对不同电网电压跌落的情况下,仿真研究了变速恒频风电机组的低电压穿越能力,结果表明:双馈风电机组在电网电压跌落时满足继续并网运行的条件,且为电网电压恢复提供了无功,提供的无功功率大小与电网电压跌落程度有关。 相似文献
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大容量飞轮蓄能发电系统发展趋势 总被引:2,自引:0,他引:2
大容量飞轮蓄能发电系统可配置在城市附近,用于平衡白天的电力负荷。该文介绍了这种系统的现状,指出了在这种系统中采用高温超导磁力轴承的发展动向。 相似文献