Control of Offshore DFIG-based Wind Farm Grid with Line-Commutated HVDC Connection

Bozhko, Serhiy; Blasko-Gimenez, Ramon; Li, Risheng; Clare, John; Asher, G.M.

doi:10.1109/epepemc.2006.4778626

Cited by 48 publications

(74 citation statements)

References 5 publications

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“…As shown in Fig. 5(d), the power converter used by the DFIG is usually 25-30% of the rated power system [49,[64][65][66][67][68].…”

Section: Asynchronous/induction Generatormentioning

confidence: 99%

“…As the wind speed is not the same in different locations, scattered wind generator systems might be connected to a separate grid with central power management arrangement consisting of energy storage systems, and also connected to the grid in order to enhance the reliability and consistency of wind power generation. As the development of an offshore dc grid is also getting interest to the researchers day by day in order to reduce cable losses and decrease reactive power requirements [66,111,112], the separate grid with dc power transfer will be more appropriate. The smart wind park will be more than a micro-grid system.…”

Section: Smart Wind Turbine Generator Systemmentioning

confidence: 99%

See 1 more Smart Citation

Future research directions for the wind turbine generator system

Hossain

Ali

2015

Renewable and Sustainable Energy Reviews

134

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“…As shown in Fig. 5(d), the power converter used by the DFIG is usually 25-30% of the rated power system [49,[64][65][66][67][68].…”

Section: Asynchronous/induction Generatormentioning

confidence: 99%

Section: Smart Wind Turbine Generator Systemmentioning

confidence: 99%

Future research directions for the wind turbine generator system

Hossain

Ali

2015

Renewable and Sustainable Energy Reviews

134

View full text Add to dashboard Cite

“…While the review here is brief, and focuses on the salient features from the view of a comparative evaluation, a more detailed discussion on functioning installations of these representative technologies may be found elsewhere [12]. Notably, for a more comprehensive discussion on CSCs in wind applications, the readers may be refer to recent works [15][16][17][18][19][20][21]. Similarly, a detailed discussion on the operational features of VSCs in wind generation applications may be found in [8,[20][21][22][23][24][25][26][27][28], while a description and operational features of the BoBC/MMLCs may be found in [13,[29][30][31][32][33][34][35].…”

Section: Hvdc Converter Topologies a Brief Reviewmentioning

confidence: 99%

An Examination of AC/HVDC Power Circuits for Interconnecting Bulk Wind Generation with the Electric Grid

Ludois

Venkataramanan

2010

Energies

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Abstract:The application of high voltage dc (HVDC) transmission for integrating large scale and/or off-shore wind generation systems with the electric grid is attractive in comparison to extra high voltage (EHV) ac transmission due to a variety of reasons. While the technology of classical current sourced converters (CSC) using thyristors is well established for realization of large HVDC systems, the technology of voltage sourced converters (VSC) is emerging to be an alternative approach, particularly suitable for multi-terminal interconnections. More recently, a more modular scheme that may be termed 'bridge of bridge' converters (BoBC) has been introduced to realize HVDC systems. While all these three approaches are functionally capable of realizing HVDC systems, the converter power circuit design trade-offs between these alternatives are not readily apparent. This paper presents an examination of these topologies from the point of view of power semiconductor requirements, reactive component requirements, operating losses, fault tolerance, multi-terminal operation, modularity, complexity, etc. Detailed analytical models will be used along with a benchmark application to develop a comparative evaluation of the alternatives that maybe used by wind energy/bulk transmission developers for performing engineering trade-off studies. Keywords

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“…HVDC technologies, based on line commutated converters (LCC) [4,5] or voltage source converters (VSC) [6,7], have been studied for offshore wind farm integration. Compared with LCC transmission, the VSC scheme is more attractive in terms of independent active/reactive power control, no need for an external voltage source, and fast system control [2].…”

Section: Introductionmentioning

confidence: 99%

Research on hybrid multi-terminal high-voltage DC technology for offshore wind farm integration

Zhan

Wen

et al. 2013

J. Mod. Power Syst. Clean Energy

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Multi-terminal high-voltage DC (MTDC) technology is a promising way to transmit large amounts of offshore wind power to the main grids. This paper proposes a hybrid MTDC scheme to integrate several offshore wind farms into the onshore power grids at different locations. A hybrid four-terminal HVDC system comprising two onshore line commutated converters (LCCs) and two voltage source converters (VSCs) connecting an offshore wind farm is constructed in PSCAD/EMTDC. A coordination control scheme based on the VSCs' AC voltage control and the LCCs' DC voltage droop control is designed to ensure smooth system operation and proper power sharing between onshore AC grids. The operational characteristics of the system are analyzed. In addition, a black start-up method without any auxiliary power supply for the VSCs is proposed. The transmission scheme is tested through simulations under various conditions, including start-up, wind speed variation, and the disconnection of one VSC or of one LCC.

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Control of Offshore DFIG-based Wind Farm Grid with Line-Commutated HVDC Connection

Cited by 48 publications

References 5 publications

Future research directions for the wind turbine generator system

Future research directions for the wind turbine generator system

An Examination of AC/HVDC Power Circuits for Interconnecting Bulk Wind Generation with the Electric Grid

Research on hybrid multi-terminal high-voltage DC technology for offshore wind farm integration

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