Harmonic rejection using Multi-Synchronous Reference Frame technique for CSI-based distributed generation with grid voltage distortion

2011 ◽  
Author(s):  
Ahmed Salah Morsy ◽  
Mohamed Tawfeek ◽  
Adel Lotfy ◽  
Shehab Ahmed ◽  
Ahmed Massoud
Keyword(s):  
Reference Frame ◽  
Distributed Generation ◽  
Grid Voltage ◽  
Voltage Distortion ◽  
Synchronous Reference Frame ◽  
Harmonic Rejection ◽  
Grid Voltage Distortion

Modeling and dynamic response of double-feed induction generator and back-to-back converters in unbalanced grid voltage conditions

2019 ◽  
Vol 44 (4) ◽  
pp. 361-372 ◽  
Author(s):  
Ali Mirzakhani ◽  
Reza Ghandehari ◽  
S Alireza Davari
Keyword(s):  
Reference Frame ◽  
Power Plants ◽  
Governing Equations ◽  
Grid Voltage ◽  
Induction Generators ◽  
Wind Power Plants ◽  
Synchronous Reference Frame ◽  
Grid Side ◽  
Unbalanced Grid ◽  
Different Parts

Double-feed induction generators are one of the most commonly used generators in wind power plants. Therefore, studying this type of generators in different grid conditions such as unbalanced grid voltage is of great importance. In this article, double-feed induction generators, in synchronous reference frame, and back-to-back converters are reviewed and modeled. The advantage of this model, compared with previous ones, is that it can be used in unbalanced grid voltage conditions. Hence, different parts of the generator in synchronous positive reference frame are studied and governing equations in such conditions are analyzed. Stator output power, rotor side converters, grid side converters, and electromagnetic torque, mentioned in the model, are analyzed, as well. The model is also applied in balanced conditions. Therefore, the model proposed in this article is perfect for analyzing wind turbine-based power plants with double-feed induction generators. The accuracy of the suggested function was confirmed through simulation.

Frequency-Adaptive Stationary-Reference-Frame Grid Voltage Sequence Detector for Distributed Generation Systems

2011 ◽  
Vol 58 (9) ◽  
pp. 4275-4287 ◽  
Author(s):  
E. Robles ◽  
J. Pou ◽  
S. Ceballos ◽  
J. Zaragoza ◽  
J. L. Martin ◽  
...  
Keyword(s):  
Reference Frame ◽  
Distributed Generation ◽  
Grid Voltage ◽  
Stationary Reference Frame
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