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首页> 外文会议>The 8th Mediterranean Conference on Power Generation, Transmission, Distribution and Energy Conversion >Reliability Assessment of Natural Gas Transmission Systems and their Impact on the Operational Performance of Electric Power Systems
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Reliability Assessment of Natural Gas Transmission Systems and their Impact on the Operational Performance of Electric Power Systems

机译：天然气传输系统的可靠性评估及其对电力系统运行性能的影响

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摘要

During the recent years, a significant number of modern thermal power plants use natural gas as fuel in order to achieve reduction of their environmental impact from greenhouse gas emissions and increase their efficiency. The new plants are connected to the existing natural gas transmission network leading to a high interdependence between it and the respective electric power system. Therefore, the failure events occurring in the natural gas network can cause interruption of gas supply to one or more power generating units connected to it. This means that there will be a significant impact on the secure and the reliable operation of the power system. For this reason, an additional reliability analysis is required in order to examine the impact of the natural gas network on the operation of the respective power system. The purpose of this paper is to describe an efficient methodology that is based on the Monte — Carlo sequential simulation approach in order to realistically simulate the annual operation of the natural gas transmission systems and calculate the relevant reliability indices of connection nodes for the electric power plants using natural gas. The analysis of a combined system based on the Hellenic electric power system and the natural gas transmission system is presented assuming alternative case studies while the impact of their interdependence is determined. These results are compared and useful conclusions are obtained.
机译：近年来，许多现代热电厂使用天然气作为燃料，以减少温室气体排放对环境的影响并提高效率。新工厂连接到现有的天然气传输网络，从而导致其与各自的电力系统之间高度相互依赖。因此，在天然气网络中发生的故障事件会导致向与其连接的一个或多个发电单元的气体供应中断。这意味着将对电源系统的安全和可靠运行产生重大影响。为此，需要进行额外的可靠性分析，以检查天然气网络对相应电力系统运行的影响。本文的目的是描述一种有效的方法，该方法基于Monte-Carlo顺序模拟方法，以便现实地模拟天然气传输系统的年度运行并计算电厂连接节点的相关可靠性指标使用天然气。提出了对基于希腊电力系统和天然气传输系统的组合系统的分析，并假设其他案例研究，同时确定了它们相互依存的影响。比较这些结果并获得有用的结论。

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