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<p>This paper develops the integration of Photovoltaic (PV) and Doubly Fed Induction Generator (DFIG) based Wind Systems into a grid system utilizing an optimized Converter along with advanced controller. The central idea is to design a system around a common DC-link architecture, enabling coordinated power flow from both renewable sources. The key contribution of the proposed concept is the introduction of a High Gain Boost Integrated Zeta (HGBIZ) converter for the PV subsystem. This converter provides a high voltage conversion ratio with reduced ripple and improved efficiency, allowing low-level PV voltage to be effectively boosted to the required DC-link level without multiple conversion stages. Besides, another significant contribution is the Artificial Flora Optimization (AFO) based controller optimizing the controller parameters to achieve better dynamic response and stabilized DC link voltage. The Pulse Width Modulation (PWM) rectifier is adopted, which ensures the DFIG seamless connection to the grid. The rectifier also provides reactive power support to enhance grid stability. The PI controller enhances the PWM rectifier’s performance by providing stability, fast response and improved power quality. It maintains synchronization and prevents instability during transient events. Simultaneously, the Internet of Things (IoT) platform is employed for monitoring the parameters including <InlineEquation ID="IEq1"> <EquationSource Format="TEX">\({\text{V}}_{\text{PV}},{\text{V}}_{\text{DFIG}},{\text{V}}_{\text{dc}},\text{soc}, {\text{V}}_{\text{B}},{\text{I}}_{\text{B}}, {\text{V}}_{\text{G}}\text{ and }{\text{I}}_{\text{G}}\)</EquationSource> </InlineEquation>. Simulation results demonstrate the efficacy of the proposed system with regard of power quality and grid stability.</p>

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Optimized distributed power flow control for hybrid energy systems with artificial flora algorithm and high-gain converters

  • 期刊论文

  • 发表日期：

    2026年3月22日

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  • S. Priyanga,
  • R. Rajagopal

摘要

This paper develops the integration of Photovoltaic (PV) and Doubly Fed Induction Generator (DFIG) based Wind Systems into a grid system utilizing an optimized Converter along with advanced controller. The central idea is to design a system around a common DC-link architecture, enabling coordinated power flow from both renewable sources. The key contribution of the proposed concept is the introduction of a High Gain Boost Integrated Zeta (HGBIZ) converter for the PV subsystem. This converter provides a high voltage conversion ratio with reduced ripple and improved efficiency, allowing low-level PV voltage to be effectively boosted to the required DC-link level without multiple conversion stages. Besides, another significant contribution is the Artificial Flora Optimization (AFO) based controller optimizing the controller parameters to achieve better dynamic response and stabilized DC link voltage. The Pulse Width Modulation (PWM) rectifier is adopted, which ensures the DFIG seamless connection to the grid. The rectifier also provides reactive power support to enhance grid stability. The PI controller enhances the PWM rectifier’s performance by providing stability, fast response and improved power quality. It maintains synchronization and prevents instability during transient events. Simultaneously, the Internet of Things (IoT) platform is employed for monitoring the parameters including \({\text{V}}_{\text{PV}},{\text{V}}_{\text{DFIG}},{\text{V}}_{\text{dc}},\text{soc}, {\text{V}}_{\text{B}},{\text{I}}_{\text{B}}, {\text{V}}_{\text{G}}\text{ and }{\text{I}}_{\text{G}}\) . Simulation results demonstrate the efficacy of the proposed system with regard of power quality and grid stability.