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Thiruveedula, Madhu Babu
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Earth & Planetary Sciences Environmental Science Materials Science & Nanotechnology Mathematics Physics

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Optimized control strategy for enhanced stability in grid-connected photovoltaic-wind hybrid energy systems Thiruveedula, Madhu Babu; Kaliyamoorthy, Asokan; Sravani, Kosara; Yadav, Murgam Sharath; Kumar, Petturi Satish; Akash, Routhu
International Journal of Advances in Applied Sciences Vol 14, No 2: June 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i2.pp609-617

Abstract

To improve stability in grid-connected photovoltaic-wind (PV-wind) hybrid energy systems, this research presents optimized model predictive control (MPC) and proportional resonant (PR) control algorithms. The proposed MPC strategy enhances power management by forecasting future system behavior and optimizing control actions accordingly, while the PR controller effectively handles grid-synchronized voltage regulation and harmonic compensation. Together, these advanced control techniques significantly improve grid stability, ensure optimal utilization of renewable energy resources (RER), and maintain power quality under varying operating conditions. The performance of the hybrid system is evaluated through extensive simulations that consider a range of real-world scenarios, including fluctuating load demands and diverse climatic conditions. The results confirm the effectiveness of the proposed MPC and PR-based control in dynamically adjusting power output from wind and photovoltaic sources, thereby ensuring reliable and efficient grid integration. These findings highlight the potential of intelligent control systems in enabling the secure, stable, and long-term adoption of renewable energy within modern power grids.
Solar photovoltaic based cascaded multilevel inverter with 33-levels using phase opposition disposition control method Deepak, Chandolu Sai; Thiruveedula, Madhu Babu; Teja, Bandari Rahul; Gowtham, Supe; Vivek, Sthambhampally; Kumar, Panuganti Yeshwanth
International Journal of Advances in Applied Sciences Vol 14, No 3: September 2025
Publisher : Institute of Advanced Engineering and Science

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.11591/ijaas.v14.i3.pp928-935

Abstract

A cascaded multilevel inverter (MLI) tailored for photovoltaic (PV) networks, aiming to improve power quality and support transformer-less operation. The symmetric MLI design is selected for its effectiveness in minimizing harmonics and enhancing fault tolerance in high-power scenarios, where the use of power semiconductor converters can introduce complications. The proposed inverter configuration achieves thirty-three voltage levels, optimizing power quality while using insulated gate bipolar transistor (IGBT) semiconductor switches. The phase opposition disposition (POD) control method is applied to trigger necessary switching signals for the inverter's components. To ensure high output voltage for the MLI, a boost converter is employed, and the overall system is tested with an R load. The effectiveness of the design is validated through MATLAB/Simulink simulations, which demonstrate a notable reduction in total harmonic distortion (THD). 
Co-Authors Akash, Routhu Deepak, Chandolu Sai Gowtham, Supe Kaliyamoorthy, Asokan Kumar, Panuganti Yeshwanth Kumar, Petturi Satish Sravani, Kosara Teja, Bandari Rahul Vivek, Sthambhampally Yadav, Murgam Sharath