Development of methods and models for assessing voltage stability in power systems with a high penetration of power generation from renewable sources
开发可再生能源发电渗透率高的电力系统电压稳定性评估方法和模型
基本信息
- 批准号:243975358
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:德国
- 项目类别:Research Grants
- 财政年份:2013
- 资助国家:德国
- 起止时间:2012-12-31 至 2015-12-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
Because of the politically decided revolution to change generation of electric power from fossil to renewable sources requirements for the secure operation of the power system will get intensified. Particularly, in Germany peaks of installed wind and photovoltaic capacities are reached. In prognoses of the German Federal Ministry for the Environment (BMU) around 50 GW of installed capacity each for wind and photovoltaics are expected. Thus, this installed capacity exeeds even the peak load, which is located in Germany in the range of around 80 GW. In addition, wind and photovoltaic power plants concentrate in areas with high-wind and high solar radiation. The result is that in the future centers of large power generation will emerge, if the weather is suitable. At the same time conventional fossil power plants, which are usually placed near load centers, will be replaced by renewable power generation. This results in a dramatic increase of power to be transported as well as distances between power generation and load and therefore in an increased system stress.Originally, the transmission system was built in order to transport reserve power between autonomous areas. With the expected future transport power and distances, voltage stability limits will be reached. Therefore, in addition to the thermal capacity limits of network components voltage stability limits may become the critical operating variable of power systems.The currently existing models and methods for assessing voltage stability are not suitable to represent and to evaluate the changing system with high penetration of renewable energies.The aim of the project is therefore to develop models and methods for assessing voltage stability in transmission system and distribution systems taking into account the evolving renewable generation structure.As renewable energies are mostly installed in distribution systems, one focus of this project is to develop a model of distribution systems with consideration of distributed power generation from renewable energy sources. At the Institute of Power Systems and Power Economics at RWTH Aachen University a model for the European transmission network and a market simulation to determine the optimal power plant dispatch has been developed. This will be used to get realistic network situations for future periods.The new models and methods of this project allow detailed analyses of the possible integration of renewable energies into the power system with consideration of different load and dispatch situations as well as different network structures including critical contingency situations of any network equipments.
由于政治上决定的革命将电力从化石能源转变为可再生能源,因此对电力系统安全运行的要求将得到加强。特别是在德国,风力和光伏装机容量达到峰值。在德国联邦环境部(BMU)的预算中,预计风力发电和光伏发电的装机容量分别约为50吉瓦。因此,该装机容量甚至超过了峰值负荷,峰值负荷位于德国的大约80 GW的范围内。此外,风力和光伏发电厂集中在风力和太阳辐射高的地区。结果是,如果天气合适,未来将出现大型发电中心。与此同时,通常位于负荷中心附近的传统化石发电厂将被可再生能源发电所取代。这导致需要输送的电力以及发电和负载之间的距离急剧增加,从而增加了系统压力。最初,输电系统是为了在自治区之间输送备用电力而建造的。随着预期的未来运输功率和距离,将达到电压稳定性极限。因此,我们认为,电压稳定极限是电力系统的重要运行变量,现有的电压稳定评估模型和方法不适合于描述和评估可再生能源高度渗透的变化系统,因此,本项目的目的是建立输电系统电压稳定评估模型和方法,由于可再生能源大多安装在配电系统中,本项目的重点之一是开发一个考虑到可再生能源分布式发电的配电系统模型。在RWTH亚琛大学的电力系统和电力经济研究所,已经开发了一个用于确定最佳发电厂调度的欧洲输电网络和市场模拟模型。该项目的新模型和方法允许详细分析可再生能源融入电力系统的可能性,同时考虑不同的负荷和调度情况以及不同的网络结构,包括任何网络设备的关键应急情况。
项目成果
期刊论文数量(1)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
Impact of distributed reactive power control of renewable energy sources in smart grids on voltage stability of the power system
智能电网中可再生能源分布式无功控制对电力系统电压稳定性的影响
- DOI:10.1109/pq.2014.6866795
- 发表时间:2014
- 期刊:
- 影响因子:0
- 作者:Dierkes;Bennewitz;Verheggen;Maercks
- 通讯作者:Maercks
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Professor Dr.-Ing. Albert Moser其他文献
Professor Dr.-Ing. Albert Moser的其他文献
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