At the National Wind Technology Center, researchers design, implement, and test advanced wind turbine controls to maximize energy extraction and reduce structural dynamic loads. These control designs are based on linear models of the turbine that are simulated using specialized modeling software.
Advanced wind turbine controls can reduce the loads on wind turbine components while capturing more wind energy and converting it into electricity. NREL is researching new control methodologies for both land-based wind turbines and offshore wind turbines.
As highlighted earlier, wind turbine drivetrains can be ei-ther geared or direct-drive generator systems (Polinder et al., 2013). The geared generator system can be further divided into either a DFIG with a partial-power converter or a brush-less generator with a full-power-converter (GFPC) system.
Pitch controlled WTs have an active control system which varies the pitch angle of the turbine blades to decrease torque and rotational speed in WTs. This type of control is usually employed in high wind speeds only where high rotational speeds and aerodynamic torques can damage the equipment.
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The wind turbine drive system is affected not only by random wind loads for a long time but also by the electromagnetic torque of the generator. Exploring the coupling behavior …
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4.2 Physical Fundamentals of Primary Control Objectives Consider that the turbine operates in partial load at fixed pitch – often named “fine pitch” – that gives good aerodynamic …
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Next-generation wind turbine control systems are evolving with intelligent automation, predictive monitoring, and grid-aware design …
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Wind-turbine control is necessary to ensure low maintenance costs and efficient performance. The control system also guarantees safe …
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Abstract. This paper presents the state-of-the-art technologies and development trends of wind turbine driv-etrains – the system that converts kinetic energy of the wind to …
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Next-generation wind turbine control systems are evolving with intelligent automation, predictive monitoring, and grid-aware design to drive efficiency, resilience, and …
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Abstract This article discusses the automated control of dynamic loads in drive systems using the example of a wind turbine screw drive. A mathematical model was …
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This chapter provides a basic understanding of modelling of wind turbines, including both the mechanical and electrical systems, and control schemes that enable a suitable …
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Always Running Smoothly: Drive & Control Technology Wind energy has developed into a global industry. Modern wind turbines are now producing electricity eficiently …
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High power range and active energy recovery The product service life of a wind turbine installation is 25 years and longer and requires low-wearing …
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1. Introduction A wind turbine control system is a complex and critical element in a wind turbine. It is responsible for the autonomous, reliable, and safe operation of the machine …
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An electrical pitch system essentially consists of the pitch drives, the inverter and the pitch control. In addition, there are the accumulators …
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The Scope Discussing dynamic control of wind turbines. Rapid control of the turbine during operation. Not supervisory control (safety systems, fault monitoring, etc). Primarily …
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Modern wind turbines generally operate at variable speed in order to maximise the conversion efficiency below rated power and to reduce loading on the drive-train. In addition, pitch control …
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This review paper presents a detailed review of the various operational control strategies of WTs, the stall control of WTs and the role of power electronics in wind system …
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Modern wind turbines generally operate at variable speed in order to maximise the conversion efficiency below rated power and to reduce …
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5 Conclusion Wind turbine system is the state of the art technology to provide high amount of energy source. This technology is growing fast all over the world because of its capability in …
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Pitch control systems and yaw systems constantly adjust the orientation of the nacelle and rotor, as well as the pitch angle of the …
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Wind Turbine Control Systems Advanced wind turbine controls can reduce the loads on wind turbine components while capturing more wind energy and converting it into …
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A successful track record Since the dawn of wind turbine installations with active pitch control, KEBA has been supporting renowned wind turbine …
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High power range and active energy recovery The product service life of a wind turbine installation is 25 years and longer and requires low-wearing intelligent control concepts for the multi-axis …
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Wind Turbine Control Systems Advanced wind turbine controls can reduce the loads on wind turbine components while capturing more …
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