A DSE-based SMC method of sensorless DFIG wind turbines connected to power grids for energy extraction and power quality enhancement

Yu, Samson Shenglong, Zhang, Guidong, Fernando, Tyrone and Iu, Herbert Ho-Ching 2018, A DSE-based SMC method of sensorless DFIG wind turbines connected to power grids for energy extraction and power quality enhancement, IEEE Access, vol. 6, pp. 76596-76605, doi: 10.1109/ACCESS.2018.2883591.

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Title A DSE-based SMC method of sensorless DFIG wind turbines connected to power grids for energy extraction and power quality enhancement
Author(s) Yu, Samson ShenglongORCID iD for Yu, Samson Shenglong orcid.org/0000-0002-2983-7344
Zhang, Guidong
Fernando, Tyrone
Iu, Herbert Ho-Ching
Journal name IEEE Access
Volume number 6
Start page 76596
End page 76605
Total pages 10
Publisher IEEE
Place of publication Piscataway, N,J,
Publication date 2018-11
ISSN 2169-3536
Keyword(s) Science & Technology
Technology
Computer Science, Information Systems
Engineering, Electrical & Electronic
Telecommunications
Computer Science
Engineering
DFIG wind turbines
dynamic state estimation
sliding mode control
dechattering method
power quality
FED INDUCTION GENERATOR
SYSTEMS
Summary Extracting the maximum possible kinetic energy from the ambient environment and enhancing the output power quality are two main concerning issues on the topic of integrating renewable energy resources with power grids. For this purpose, we propose a dynamic state estimation (DSE)-based sliding mode control (SMC) strategy to achieve such control purposes for doubly fed induction generator (DFIG) wind turbines connected to multi-machine power grids. The newly devised method leverages cutting-edge smart-grid technology for the design of dynamic state estimator, and the acquired states of sensorless DFIG systems are then utilized in the construction of the SMC scheme. A dechattering method is also proposed to alleviate unnecessary switchings that intrinsically exist in the original SMC scheme. Compared with the conventional control method, when operating under high wind speeds, the newly designed SMC strategy of DFIGs is capable of producing a faster response time, a higher mechanical energy extraction percentage, and a better power quality. Owing to the modern smart-grid technology and simplicity in implementing the SMC strategy, the proposed control method infers its potential of practical applications in industrial vision.
Language eng
DOI 10.1109/ACCESS.2018.2883591
Indigenous content off
HERDC Research category C1.1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2013, IEEE
Persistent URL http://hdl.handle.net/10536/DRO/DU:30129101

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