提高通用成网逆变器资源暂态稳定性的解决方案

Q2 Mathematics International Review of Electrical Engineering-Iree Pub Date : 2023-06-30 DOI:10.15866/iree.v18i3.23620

Hannu Laaksonen

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引用次数: 0

摘要

-在未来的电网中，必须增加基于并网逆变器的资源份额，以保证在发电、用电量和网络拓扑快速变化时电力系统的稳定性。因此，在不同类型的运行模式、事件和故障下，并网逆变器的行为和响应保持稳定是非常重要的。此前已经对小型高压电网负荷变化后通用锁频环并网电池储能系统的频率稳定性改善进行了研究。然而，本文的重点是更严重的干扰，即不平衡的两相和平衡的三相故障，通常是最具挑战性的不同的同步方法。本文在多次PSCAD仿真的基础上，提出了提高通用锁频环并网逆变器资源在不平衡和平衡故障期间和之后的暂态频率和电压稳定性和故障穿越能力的新方案。版权所有©2023作者。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Solutions to Improve Transient Stability of Universal Grid-Forming Inverter-Based Resources

– In the future power grids, the share of grid-forming inverter-based resources must be increased in order to guarantee stability of the power system during rapid changes in generation, consumption and network topology. Therefore, it is important that the behavior and response of grid-forming inverters is also stable during different types of operation modes, events and faults. Previously, frequency stability improvement of grid-forming battery energy storages with universal frequency-locked-loop after load change in small HV network has been studied. However, in this paper the focus is on more severe disturbances i.e. unbalanced 2-phase and balanced 3-phase faults that are typically most challenging for the different synchronization methods. In this paper, based on multiple PSCAD simulations, new solutions are proposed to improve the transient frequency and voltage stability and fault-ride-through capability of grid-forming inverter-based resources with universal frequency-locked-loop during and after unbalanced and balanced faults. Copyright © 2023 The Authors.

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来源期刊

International Review of Electrical Engineering-Iree 工程技术-工程：电子与电气

CiteScore

3.30

自引率

0.00%

发文量

审稿时长

4 months

期刊介绍： The International Review of Electrical Engineering (IREE) is a peer-reviewed journal that publishes original theoretical and applied papers on all aspects of electrical engineering. The topics to be covered include, but are not limited to: instrumentations and measurements, power devices, energy conversion, mathematical modelling, electrical machines, power electronics and its applications (power electronics applications for home, aerospace, automotive, lighting systems and so on), signal processing, diagnostics, reliability, dependability safety and electromagnetic compatibility, power generation, transmission, and distribution, power system planning and control, network harmonics, power quality, optimization techniques, fault location and analysis, distributed generation, co-generation, renewable energy sources, energy management systems, applications of expert systems, electric and hybrid vehicles, vehicular technology, magnetic fields, theory and modelling of magnetic materials, nanotechnology, plasma engineering, quantum brownian motors, sensors and actuators, electrical circuits, teaching and continuous education, related topics. IREE also publishes letters to the Editor and research notes which discuss new research, or research in progress in any of the above thematic areas.