NDLI: SSCI performance of DFIG with direct controller

Content Provider	IET Digital Library
Author	Wang, Liang Peng, Jingyu You, Yuyang Ma, Hongwei
Abstract	Mathematical analysis indicates that stator output power of doubly fed induction generator (DFIG) could be directly controlled by the output voltage of rotor-side converter (RSC). Thus, a direct stator-power controller (DPC) could be induced. Furthermore, rotor speed can be directly controlled by RSC with direct rotor-speed controller (DSC). When the rotor speed is selected as a feedback of RSC controller, the equivalent impedance of RSC could be decreased sharply. Under this condition, DFIG will supply little energy for series resonance caused by fixed series compensation. This results in that DFIG with DSC is insusceptible to subsynchronous control interaction (SSCI). Updating DLP into DSC could be selected as a solution of existing SSCI. Eigenvalue analysis and time-domain simulations prove the effectiveness of DSC in mitigating SSCI.
Starting Page	2697
Ending Page	2702
Page Count	6
ISSN	17518687
Volume Number	11
e-ISSN	17518695
Issue Number	Issue 10, Jul (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-gtd/11/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-gtd.2016.2022
Journal	IET Generation, Transmission & Distribution
Publisher Date	2017-03-27
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Acceleration Algebra Angular Velocity Control Asynchronous Generator Asynchronous Machine Compensation Control of Electric Power System DFIG SSCI Performance Direct Controller Direct Rotor-speed Controller Direct Stator-power Controller DLP Doubly Fed Induction Generator Stator Output Power Control DPC DSC Eigen Values And Eigen Function Eigenvalue Analysis Feedback Fixed Series Compensation Machine Control Mathematical Analysis Power And Energy Control Power Control Power Converter Power Supplies to Apparatus Rotation Control Rotor Speed Rotor-side Converter Output Voltage Rotors RSC Controller Feedback RSC Equivalent Impedance SSCI Mitigation Stators Subsynchronous Control Interaction Time Domain Analysis Time-domain Simulation Velocity
Content Type	Text
Resource Type	Article
Subject	Control and Systems Engineering Energy Engineering and Power Technology Electrical and Electronic Engineering

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