NDLI: Magnetic equivalent circuit modelling of doubly-fed induction generator with assessment of rotor inter-turn short-circuit fault indices

Content Provider	IET Digital Library
Author	Faiz, Jawad Moosavi, Seyed M. M. Abadi, Mohsen B. Cruz, Sérgio M. A.
Abstract	In this study, a wound rotor induction machine, as the core of a doubly-fed induction generator (DFIG) system, is modelled using the magnetic equivalent circuit approach. The entire DFIG system is implemented in Matlab/Simulink environment, including the machine model, power converters, control system and the grid. The model, which includes the ability to simulate rotor inter-turn short-circuits (RITSCs), is subsequently used for the investigation and comparison of the impact of this fault in several DFIG quantities, namely in the stator current and in some control variables. This research also deals in detail with the differences found when comparing RITSC and unbalanced rotor resistance (URR) faults. It is observed that on the contrary to the URR, the stator current spectrum is more appropriate than the control signals for the detection of RITSC. Simulation and experimental results obtained with a DFIG system operating at sub-synchronous and super-synchronous speeds, for different values of the active and reactive powers injected into the grid, corroborate the findings reported in this study.
Starting Page	1431
Ending Page	1440
Page Count	10
ISSN	17521416
Volume Number	10
e-ISSN	17521424
Issue Number	Issue 9, Oct (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-rpg/10/9
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-rpg.2016.0189
Journal	IET Renewable Power Generation
Publisher Date	2016-06-10
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Active Power Asynchronous Generator Asynchronous Machine Control Signal Control Variables DFIG Quantities Doubly-fed Induction Generator System Electric Machine Analysis Computing Equivalent Circuit Machine Model Magnetic Circuit Magnetic Equivalent Circuit Modelling Mathematics Computing MATLAB Environment Other Electromagnetic Device Application Power Converter Power Engineering Computing Reactive Power RITSC Rotor Inter-turn Short-circuit Fault Indices Rotors Simulink Environment Stator Current Spectrum Stators Subsynchronous Speed Super-synchronous Speed Unbalanced Rotor Resistance Fault URR Fault Wound Rotor Induction Machine
Content Type	Text
Resource Type	Article
Subject	Renewable Energy, Sustainability and the Environment

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