Dynamic models of wind farms with fixed speed wind turbines

Fernández, Luis Martín Sobrado; Sáenz, Joseph; Jurado, Francisco

doi:10.1016/j.renene.2005.06.011

Cited by 103 publications

(45 citation statements)

References 13 publications

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“…The set points of voltage control and unity power factor control mode are depicted in Figure 2. Figure 3 shows the schematic diagram of a fixed speed wind turbine, which consists of three main parts: the rotor, the drive train, and the squirrel-cage induction generator (SCIG). The dynamic models of the rotor and the drive train are given in [10]. The SCIG was represented by the fourth-order state-space model, and its mechanical parts were represented by a second-order system [8].…”

Section: Synchronous Generatorsmentioning

confidence: 99%

Power Quality Investigation of Distribution Networks Embedded Wind Turbines

El-Sherif

Fetouh

Shaaban

2016

Journal of Wind Energy

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In recent years a multitude of events have created a new environment for the electric power infrastructure. The presence of smallscale generation near load spots is becoming common especially with the advent of renewable energy sources such as wind power energy. This type of generation is known as distributed generation (DG). The expansion of the distributed generators-(DGs-) based wind energy raises constraints on the distribution networks operation and power quality issues: voltage sag, voltage swell, voltage interruption, harmonic contents, flickering, frequency deviation, unbalance, and so forth. Consequently, the public distribution network conception and connection studies evolve in order to keep the distribution system operating in optimal conditions. In this paper, a comprehensive power quality investigation of a distribution system with embedded wind turbines has been carried out. This investigation is carried out in a comparison aspect between the conventional synchronous generators, as DGs are widely in use at present, and the different wind turbines technologies, which represent the foresightedness of the DGs. The obtained results are discussed with the IEC 61400-21 standard for testing and assessing power quality characteristics of grid-connected wind energy and the IEEE 1547-2003 standard for interconnecting distributed resources with electric power systems.

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Section: Synchronous Generatorsmentioning

confidence: 99%

Power Quality Investigation of Distribution Networks Embedded Wind Turbines

El-Sherif

Fetouh

Shaaban

2016

Journal of Wind Energy

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“…The behavior of a network with wind generation can be studied supplying the farm equivalent wind as input to a conventional turbine model connected to the equivalent grid. The foundations of these models, their usual conventions and their limitations can be seen in (Akhmatov & Knudsen, 2002;Kazachkov & Stapleton, 2004;Fernandez et al, 2006 …”

Section: Average Farm Behaviormentioning

confidence: 99%

Variability of Wind and Wind Power

Mur-Amada¹,

Bayod-Rújula²

2010

Wind Power

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“…A method of aggregating fixed speed-wind-turbine generators (FSWTGs) based WF is studied in [6] and yields two equivalent WTGs. In the case of uniform wind distribution in the WF, a simple equivalent model is used.…”

Section: Introductionmentioning

confidence: 99%

Dynamic equivalent of wind farm model for power system stability studies

2017

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A new dynamic equivalencing method for stability assessment of a grid-integrated wind farm is proposed in this article. The accuracy of the method is validated for a 34-bus system with 28-unit wind farm connected to Indian utility system. This wind farm consists of several wind turbines of two different ratings. The electrical parameters of the equivalent generator are derived from the mathematical model of the squirrel-cage induction generator. The parameters of the equivalent wind-turbine generator are optimized to yield minimum deviation from the detailed system response using genetic algorithm. The small-signal and transient stability responses of the study system with detail wind farm and equivalent model are simulated using MATLAB. Equivalent model eigenvalues are compared to the centre of inertia based detailed system eigenvalue. In addition, the computed eigenvalues and time-domain responses of the proposed equivalent model, detailed wind farm are compared against weighted model proposed earlier. In most of the investigated cases, the average error of dynamic responses between the proposed equivalent and detailed models are less when compared to weighted model. Thus, the large-signal responses of the proposed equivalent model show superior agreement with detailed system response.

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Dynamic models of wind farms with fixed speed wind turbines

Cited by 103 publications

References 13 publications

Power Quality Investigation of Distribution Networks Embedded Wind Turbines

Power Quality Investigation of Distribution Networks Embedded Wind Turbines

Variability of Wind and Wind Power

Dynamic equivalent of wind farm model for power system stability studies

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