Enhancement in Frequency Response Capability of Grid Connected Photovoltaic System

2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT) Pub Date : 2022-08-04 DOI:10.1109/SeFeT55524.2022.9909329

Harshit Sharma, C. N. Bhende, P. Sekhar

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引用次数: 1

Abstract

Due to various serious environmental concerns, it is strongly recommended to produce electricity using large-scale photovoltaic (PV) plants. However, such PV sources must provide frequency support similar to conventional synchronous generators. In this paper, frequency regulation is enabled through deloaded PV. Deloaded PV keeps part of its available power as reserve which can be utilized during frequency disturbances. In order to deal with varying operating conditions such as load/solar insolation change and to utilize PV units with different ratings, a fuzzy-based adaptive deloading control is proposed in this work. It is established that proposed fuzzy-based scheme reduce the oscillations and overshoot in frequency response during the dynamic operating conditions. Moreover, the proposed control enables the PV units to operate as dispatchable sources similar to conventional generators. The extensive simulation results are presented in support of the proposed controller.

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并网光伏系统频率响应能力的提高

由于各种严重的环境问题，强烈建议使用大型光伏(PV)发电厂发电。然而，这种光伏发电源必须提供与传统同步发电机类似的频率支持。在本文中，频率调节是通过负载PV实现的。无负载光伏发电保留部分可用功率作为备用，可以在频率干扰时利用。为了应对负荷/日照变化等运行条件的变化，利用不同额定值的光伏发电机组，提出了一种基于模糊的自适应负载控制方法。结果表明，所提出的模糊控制方案能有效地降低系统在动态工况下频率响应的振荡和超调。此外，所提出的控制使光伏发电机组能够像传统发电机一样作为可调度源运行。广泛的仿真结果支持所提出的控制器。

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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2022 IEEE 2nd International Conference on Sustainable Energy and Future Electric Transportation (SeFeT)

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