非同步高渗透电力系统的运行约束与稳定性保持方法

I. Táczi, Economics. Hungary, I. Vokony
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引用次数: 1

摘要

如今,发电结构的重大变化对电力系统的安全运行提出了质疑。大多数新安装的发电能力是通过电力电子转换器连接到电网的,因此可以被视为非同步发电。电力系统运行与控制理论在很大程度上依赖于同步电机的特性和传统的电网结构。因此,新技术的有效集成过程必须包括为变流器主导的大型电力系统构建新的物理模型和创新的解决方案,以确保未来的安全运行。本文的重点是通过对电气电子工程师学会标准118母线测试系统的仿真研究,全面分析如何减小电力系统惯性,从而为系统操作员制定新的约束条件。不同的系统状态和场景提供了一个比较保持稳定性可能性的机会。讨论了最小惯性约束的计算方法和各种目标函数。还考虑了非同步发电机和储能系统的综合惯性的利用和影响,以量化确切的影响。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Operation Constraints and Methodology for Stability Preservation in Power Systems with High Penetration of Non-Synchronous Generation
Nowadays, significant changes in the electricity generation mix raise questions about the secure operation of power systems. Most of the newly installed generation capacity is being connected to the grid via power electronic converters, thus can be seen as a non-synchronous generation. The theory of power system operation and control relies heavily on the characteristics of synchronous machines and conventional network structure. Therefore, the effective integration process of the new technologies must include the composition of new physical models for converter dominated large power systems as well as innovative solutions to ensure the secure operation in the future. The focus of this paper is a holistic analysis of the reducing power system inertia to frame up new constraints for system operators through simulation studies on the Institute of Electrical and Electronics Engineers standard 118 bus test system. The different system states and scenarios offer a comparison opportunity between stability preservation possibilities. Minimum inertia constraint calculation methodologies and various objective functions are being discussed. The utilization and effects of synthetic inertia from non-synchronous generators and energy storage systems is also considered to quantify the exact effects.
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