A New Interconnecting Method for Wind Turbine/Generators in a Wind Farm and Basic Performances of the Integrated System

Nishikata, Shoji; Tatsuta, Fujio

doi:10.1109/tie.2009.2026765

Cited by 144 publications

(37 citation statements)

References 4 publications

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“…It has been recognized that the PMSG based WECS is an important trend in the development of wind generation systems [57][58][59]. The PMSG allows a small WT blade diameter and, therefore, is preferred in small-scale turbine designs also [24,60].…”

Section: Variable Speed Wind Turbines Based On Permanent Magnet Synchmentioning

confidence: 99%

Grid-integrated permanent magnet synchronous generator based wind energy conversion systems: A technology review

Tripathi

Tiwari

Singh

2015

Renewable and Sustainable Energy Reviews

176

107

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Section: Variable Speed Wind Turbines Based On Permanent Magnet Synchmentioning

confidence: 99%

Grid-integrated permanent magnet synchronous generator based wind energy conversion systems: A technology review

Tripathi

Tiwari

Singh

2015

Renewable and Sustainable Energy Reviews

176

107

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“…However, series connection carries with technological challenges which needs to be further studied. For example, variation in the wind velocity causes variations in the output power and therefore in the output voltage [17]. As a result of that, a wide variation capability of output voltage is required in each turbine.…”

Section: Grid Connectionmentioning

confidence: 99%

A Study of Efficiency in a Reduced Matrix Converter for Offshore Wind Farms

Garcés

Molinas

2012

IEEE Trans. Ind. Electron.

113

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Reduced matrix converter (RMC) is a convenient topology for offshore wind farm due to its potential to reduce the size and weight of the converter, to improve the reliability by removing the electrolytic capacitor, and to increase the efficiency inherent to less stages of conversion. Moreover, it is a very flexible topology which permits different types of operation with a simpler modulation compared with conventional three-phase matrix converter. This paper investigates different modulation strategies applied to RMC for offshore wind farms, focused on efficiency improvement of the entire convention system. Simulation results using a detailed loss model for high-power level are presented. Four cases are investigated according to the modulation strategies (space vector modulation and carrier-based modulation) and the operation principle (current source converter or voltage source converter). Losses in the clamp circuit are also calculated. Different wind velocities are considered in the simulations. Results show that current source operation with space vector modulation presents minimum losses at nominal wind velocity. This operation is suitable for series connection of offshore wind farms which has been reported as the most efficient alternative from the grid losses point of view.Index Terms-Emerging topology, generation of electrical energy, matrix converter, renewable energy systems, wind energy.

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“…A wide variety of studies in this field, have been suggested in last years from the power electronics point of view [7]- [11]. Multi-terminal connections [8], thyristor based converters [9] and new topologies of DC/DC converters [10], [12], are just few examples of them. So far, however, there has been little discussion about operation features of series topologies themselves.…”

Section: Series Connection Of Off-shore Wind Turbinesmentioning

confidence: 99%

A control strategy for series connected offshore wind turbines

Garcés

Molinas

2011

2011 IEEE Ninth International Conference on Power Electronics and Drive Systems

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This paper presents a control strategy for HVDC systems based on pulse width modulated current source converters. The strategy is applicable to series connected off-shore wind farms where the line current must be controlled by the on-land converter while the off-shore voltage and power are controlled by converters allocated in each turbine. A threestage hierarchical control based on proportional regulators was designed. Space vector modulation is used in the converter at medium switching frequency. The control and modulation show fast dynamic response and low harmonic distortion. This desirable behavior was demonstrated by simulation on a 16 MW system with an exact switching model of the semiconductor devices. both, short circuit and stationary state were studied.

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A New Interconnecting Method for Wind Turbine/Generators in a Wind Farm and Basic Performances of the Integrated System

Cited by 144 publications

References 4 publications

Grid-integrated permanent magnet synchronous generator based wind energy conversion systems: A technology review

Grid-integrated permanent magnet synchronous generator based wind energy conversion systems: A technology review

A Study of Efficiency in a Reduced Matrix Converter for Offshore Wind Farms

A control strategy for series connected offshore wind turbines

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