Wind Turbine Control Systems

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Permanent magnet synchronous machines (PMSMs) are widely used in high-performance drive systems. However, parasitic torque ripple remains a critical limitation, causing acoustic noise, mechanical vibration, and speed fluctuations. This study presents a compact, model-based torque control strategy for surface-mounted P…

Purpose This study aims to analytically model and mitigate unbalanced magnetic forces (UMF) in a 6/5 variable flux reluctance machine (VFRM) by proposing a dual-stator topology. The objective is to reduce radial-force imbalance and mechanical deformation while maintaining comparable electromagnetic performance. Design…

This paper presents an adaptive and flexible Automatic Generation Control (AGC) scheme designed for power system splitting and reconnection. The proposed AGC remains fully operational throughout grid splitting, maintaining independent control over each separated area and supporting the transition toward reconnection t…

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Eccentricity faults in electric machines remain a critical concern, as they generate uneven magnetic forces that increase vibration and noise, ultimately raising the risk of premature motor failure. This study proposes a method for the early detection of dynamic eccentricity (DE) faults in hydropower plants through an…

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There is a growing trend towards vehicles powered by alternative energy sources due to the environmental pollution caused by fossil fuel vehicles. Electric vehicles (EVs) are thought to make a significant contribution to reducing environmental pollution. This study presents a performance comparison of field-oriented c…

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This chapter examines the challenges and solutions related to optimizing wind energy integration into modern power grids. It begins by outlining the technical principles of wind energy generation, including turbine mechanics, energy conversion, and key components such as generators and power electronics. The intermitt…

This paper proposes an enhanced droop-based grid-forming (GFM) converter control framework incorporating a variable operating frequency (VOF) mechanism to prevent active power limit violations during large frequency excursions. In addition, a linear quadratic integral (LQI)-based inner voltage controller is implemente…

The transition toward sustainable energy systems demands electrical generators that are highly efficient, reliable, and durable. Among emerging topologies, Flux-Switching Generators (FSGs) offer considerable potential. Nevertheless, without a systematic design methodology, FSGs may suffer from excessive torque ripple…