Adaptive Dual Droop for Active Power-Frequency Control in Power System With Photovoltaic System

IF 2.6 4区 工程技术 Q3 ENERGY & FUELS IET Renewable Power Generation Pub Date : 2025-03-17 DOI:10.1049/rpg2.70026
Arash Rostami, Amir Khorsandi
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Abstract

As the penetration of photovoltaic systems (PVs) increases, the ability to control network frequency becomes limited. Traditional PV control typically relies on maximum power point tracking (MPPT); however, in MPPT mode, PVs cannot contribute to frequency control. By implementing droop control on PVs, it becomes feasible for them to participate in frequency regulation. This research introduces a dual droop control approach that focuses on both slow and fast frequency responses to ensure frequency stability and provide a fast response to frequency deviations. Additionally, an adaptive droop coefficient (ADC) is introduced via a fuzzy logic controller, which is incorporated into the dual droop control system to enhance its effectiveness. The ADC provides more flexibility for PVs by providing an appropriate coefficient based on frequency conditions during both fast and slow frequency responses. Additionally, the power from the PV systems is divided into two components: the usable maximum power point and the stored power. Suitable algorithms are presented to facilitate the participation of these two active power components in achieving power balance. This approach enables the control system to maintain active power balance in response to sudden changes for effective frequency control. The proposed control system is simulated in MATLAB/Simulink.

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来源期刊
IET Renewable Power Generation
IET Renewable Power Generation 工程技术-工程:电子与电气
CiteScore
6.80
自引率
11.50%
发文量
268
审稿时长
6.6 months
期刊介绍: IET Renewable Power Generation (RPG) brings together the topics of renewable energy technology, power generation and systems integration, with techno-economic issues. All renewable energy generation technologies are within the scope of the journal. Specific technology areas covered by the journal include: Wind power technology and systems Photovoltaics Solar thermal power generation Geothermal energy Fuel cells Wave power Marine current energy Biomass conversion and power generation What differentiates RPG from technology specific journals is a concern with power generation and how the characteristics of the different renewable sources affect electrical power conversion, including power electronic design, integration in to power systems, and techno-economic issues. Other technologies that have a direct role in sustainable power generation such as fuel cells and energy storage are also covered, as are system control approaches such as demand side management, which facilitate the integration of renewable sources into power systems, both large and small. The journal provides a forum for the presentation of new research, development and applications of renewable power generation. Demonstrations and experimentally based research are particularly valued, and modelling studies should as far as possible be validated so as to give confidence that the models are representative of real-world behavior. Research that explores issues where the characteristics of the renewable energy source and their control impact on the power conversion is welcome. Papers covering the wider areas of power system control and operation, including scheduling and protection that are central to the challenge of renewable power integration are particularly encouraged. The journal is technology focused covering design, demonstration, modelling and analysis, but papers covering techno-economic issues are also of interest. Papers presenting new modelling and theory are welcome but this must be relevant to real power systems and power generation. Most papers are expected to include significant novelty of approach or application that has general applicability, and where appropriate include experimental results. Critical reviews of relevant topics are also invited and these would be expected to be comprehensive and fully referenced. Current Special Issue. Call for papers: Power Quality and Protection in Renewable Energy Systems and Microgrids - https://digital-library.theiet.org/files/IET_RPG_CFP_PQPRESM.pdf Energy and Rail/Road Transportation Integrated Development - https://digital-library.theiet.org/files/IET_RPG_CFP_ERTID.pdf
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