رسالة على الانترنت
المزيد من المعلومات
2020.11.1 Intelligent approach to maximum power point tracking control strategy for variable-speed wind turbine generation system
Read More
This article presents a data-driven control algorithm for a variable-speed wind turbine in the partial load region. The controller is designed and optimized online to capture maximum energy from
Read More
This paper presents the application of H-infinity controller for speed control of variable speed wind turbine system. For constant Wind speed and blade pitch angle aerodynamic torque coming
Read More
2021.6.15 Variable speed wind turbines rotate with a variable speed that follows the speed of wind. Therefore, they achieve max-imum utilization of the aerodynamic power. Most of the
Read More
2013.9.6 standard non-adaptive controller used by the wind industry for variable speed wind turbines below rated power. This adaptive controller uses a simple, highly intuitive gain
Read More
2010.11.8 The purpose of this paper is to investigate the design of the control system (as opposed to the synthesis of the controller) for variable speed wind turbines. The choice of
Read More
2008.5.12 A model and a control strategy for a full back-to-back converter wind turbine with multi-pole PMSG are described. The model comprises submodels of the aerodynamic rotor,
Read More
2000.1.1 The variable speed stall regulated wind turbine is the most dominant wind turbine technology so far, since it achieves high aerodynamic efficiency for a wide range of wind
Read More
2008.10.31 The proposed sliding-mode control approach has been validated on a 1.5-MW three-blade wind turbine using the national renewable energy laboratory wind turbine simulator
Read More
2010.1.1 The paper presented the modeling and the control design of the variable-speed wind turbine with a permanent-magnetic synchronous generator. The detailed models of a candidate industrial site with multiple wind turbines were developed and were used to perform simulation studies and evaluate alternative control solutions.
Read More2022.6.1 A Savonius wind turbine model with a two-blade turbine is selected as a verification example, as shown in Fig. 1 (a). The turbine has an overlap ratio of 0.1 and the experimental data can be found in Ref. [30].Table 1 lists the geometrical parameters of the turbine. From the study of Ref. [5, 7, 30], it is known that the power coefficient of the vertical
Read More
2008.7.2 The aerodynamic efficiency of a variable-speed wind turbine operating in Region 2, or below-rated wind speeds, is greatly affected by the identification of accurate parameters for the controller. In particular, the power coefficient (Cp) surface must be well known for optimal efficiency to be achieved with a constant-gain controller. However, adaptive control can
Read More
2019.10.15 Wind turbines are important in capturing power from varying wind speed. For maximum energy capture in low wind speed regime, a standard generator torque controller is normally used to track the ...
Read More
2010.11.8 Many commercial applications made by wind turbines manufacturers (Kenetech, Enercon, Zond, etc) have shown that considering a variable speed wind in the control strategy has a better performances [7].
Read More
2006.8.14 To maximize wind power extraction, a variable-speed wind turbine (VSWT) should operate as close as possible to its optimal power coefficient. The generator torque is used as a control input to improve wind energy capture by forcing the wind turbine (WT) to stay close to the maximum energy point. In general, current control techniques do not take into account the
Read More
2018.11.4 In this paper, an adaptive neural pitch angle control strategy is proposed for the variable-speed wind turbines (VSWT) operating in pitch control region. The control objective is to maintain the rotor speed and generator power at the prescribed reference values in the presence of external disturbance, without the need of the information of ...
Read More
2022.9.29 With increasing size of wind turbines (WTs), the power regulation and fatigue loads on WT structures emerge as major problems to wind power industry. Pitch angle is scheduled above the rated wind speed to keep the power captured by variable-speed wind turbine (VSWT) around its rated value and release the fatigue load on WT structure. In this paper, a
Read More
2012.1.1 This study proposes a novel control strategy for the provision of an active power reserve for variable-speed wind turbines. The proposed control strategy aims at maximising the rotational kinetic ...
Read More
2009.4.1 The main control objective is to maximize the captured energy from the wind while limiting the transient loads experienced by the turbine (see Section 3).Transient loads reduction amounts mainly to low-speed shaft torsion minimizing, which is equivalent to reducing the variance of the high-speed shaft torsional moment.
Read More
2021.1.1 1. Intoduction. Wind energy is a vast renewable energy resource being increasingly tapped by wind turbines which are growing in number and size. Conventional wind turbine transmissions consist of a mechanical gearbox and high speed generator, or sometimes direct drive low-speed generators are used as described in [1].But these two traditional
Read More
DC wind farm with series-connected wind turbines is proved to be a promising solution to collect large-scale wind power, especially for offshore application. This paper proposes a novel variable speed control strategy of the DC wind turbine to reduce wind energy curtailment during the voltage limitation period. A generalized model is also presented to realize the DC wind turbine
Read More
2010.12.23 The paper presents a nonlinear approach, using a two-mass model and a wind speed estimator, for variable-speed wind turbine (WT) control. The use of a two-mass model is motivated by the need to deal with flexible modes induced by the low-speed shaft stiffness. The main objective of the proposed controllers is the wind power capture optimization while limiting
Read More
2010.11.8 Wind turbines exploit this energy source to directly generate electrical power. There are essentially two types of windturbines, namely constant speed and variable speed machines. The purpose of this paper is to investigate the dynamics of variable speed wind turbines and determine suitable models to support the control design task.
Read More
2016.7.19 It is difficult to measure the wind speed accurately in short term. This reveals challenges for wind turbine control, especially for maximum power point tracking with adaptive control strategies. In this paper, a genetic algorithm based support vector machine model is adopted to estimate the wind speed, using physically measurable signals, such as the
Read More
2010.11.8 In this paper, two strategies for the control of variable speed wind turbine are investigated. First, an H∞ controller is implemented. Then, a second-generation CRONE controller is designed. The ...
Read More
2000.1.1 Owing to concern over the environment, there is much interest in renewable sources of electrical power generation, of which one of the most promising is wind power. There are essentially two types of wind turbines, namely constant speed and variable speed machines. In comparison to constant speed wind turbines, variable speed wind turbines are perceived to
Read More
Nowadays, technology evolution and deregulation of the electric utility industry enable distributed generation (DG) to play an increasing role in locally satisfying the expanding power demand. In this paper, the islanded operation of an electrical grid supplied by wind turbines, which belong to the most rapidly expanding DG technologies, is studied. Control strategies for power
Read More
2012.3.1 The SRG is driven by variable speed wind turbine and it is connected to the grid through an asymmetric half bridge converter, DC-link, and DC–AC inverter system. Speed control is very important for variable speed operation of SRG to ensure maximum power delivery to the grid for any particular wind speed.
Read More
Pitch system is a complicated nonlinear system disturbed by many uncertainties and is a key part of wind turbine system. When wind speed exceeds rated cut-in speed, pitch angle is changed to control wind power conversion efficiency, thus capturing rated power from wind and protecting wind turbine from damage. In this paper, based on the analysis of wind turbine aerodynamic,
Read More
المزيد من المعلومات
حقوق حقوق التأليف والنشر: رقم التدوين Development Buide 10200540 -22. خط الخدمة: 0371-86549132. E-mail：[email protected] العنوان: الرقم البريدي رقم 169 Second Avenue Avenue New Avenue: Chengzhou الصين: إحصاءات الموقع الشبكي 450001.
