Analyzing active power reserve strategies for photovoltaic systems under varying shading scenarios: A comparative study

IF 32 1区工程技术 Q1 ENERGY & FUELS

Progress in Energy and Combustion Science Pub Date : 2023-10-01 DOI:10.1088/2516-1083/acffa1

Pankaj Verma, Nitish Katal

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引用次数: 0

Abstract

Abstract The installed capacity of grid-connected solar photovoltaic (PV) systems is increasing rapidly; therefore, in the near future, the total system inertia may possibly decrease. Reserving some active power in PV systems is crucial to manage the problem of low inertia. In this paper, we critically analyse and compare the performances of several active power reserve and frequency regulation techniques for PV systems. The discussed techniques do not use energy storage devices and are aimed at enabling the inertial capabilities of PV systems. These techniques are broadly classified according to the shading conditions and methodologies adopted for reserve generation. In this paper, we closely investigate different deloading techniques used in PV systems. In deloading, PV systems are operated at a voltage distant from the maximum power point. Further, we also address the effectiveness and suitability of the aforementioned techniques under different operating conditions. Through this review paper, we aim to provide a one-stop reference for PV researchers to select appropriately from the available reserve techniques for designing flexible DC–DC controls for PV systems.

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不同遮阳方案下光伏系统有功备用策略分析:比较研究

摘要太阳能光伏并网系统的装机容量增长迅速;因此，在不久的将来，系统的总惯量可能会减少。在光伏系统中保留一定的有功功率是解决低惯性问题的关键。在本文中，我们批判性地分析和比较了几种光伏系统的有功功率储备和频率调节技术的性能。所讨论的技术不使用能量存储设备，旨在实现光伏系统的惯性能力。这些技术根据遮阳条件和储备生成所采用的方法大致分类。在本文中，我们仔细研究了光伏系统中使用的不同负载技术。在负载中，光伏系统在远离最大功率点的电压下运行。此外，我们还讨论了上述技术在不同操作条件下的有效性和适用性。通过本文的综述，我们旨在为光伏研究人员从现有的储备技术中选择合适的技术来设计光伏系统灵活的DC-DC控制提供一站式参考。

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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来源期刊

Progress in Energy and Combustion Science 工程技术-工程：化工

CiteScore

59.30

自引率

0.70%

发文量

审稿时长

3 months

期刊介绍： Progress in Energy and Combustion Science (PECS) publishes review articles covering all aspects of energy and combustion science. These articles offer a comprehensive, in-depth overview, evaluation, and discussion of specific topics. Given the importance of climate change and energy conservation, efficient combustion of fossil fuels and the development of sustainable energy systems are emphasized. Environmental protection requires limiting pollutants, including greenhouse gases, emitted from combustion and other energy-intensive systems. Additionally, combustion plays a vital role in process technology and materials science. PECS features articles authored by internationally recognized experts in combustion, flames, fuel science and technology, and sustainable energy solutions. Each volume includes specially commissioned review articles providing orderly and concise surveys and scientific discussions on various aspects of combustion and energy. While not overly lengthy, these articles allow authors to thoroughly and comprehensively explore their subjects. They serve as valuable resources for researchers seeking knowledge beyond their own fields and for students and engineers in government and industrial research seeking comprehensive reviews and practical solutions.