NDLI: Sliding-mode DPC using SOGI for DFIG under unbalanced grid condition

Content Provider	IET Digital Library
Author	Sun, Dan Wang, Xiaohe
Abstract	A sliding-mode direct power control (SMDPC) strategy using second-order generalised integrator (SOGI) for doubly fed induction generator is proposed, which can achieve various objectives without the decomposition process of negative and positive sequence components when the grid voltage is unbalanced. The impact of the non-ideal grid voltage to the SM controller is studied, and an improved strategy is proposed by combining an SOGI-based compensator with the SMDPC strategy. Different control targets can be achieved by selecting different variables as the compensation. Experimental studies based on the proposed and traditional SMDPC are implemented to verify that the proposed strategy is effective when the grid voltage is unbalanced.
Starting Page	674
Ending Page	676
Page Count	3
ISSN	00135194
Volume Number	53
e-ISSN	1350911X
Issue Number	Issue 10, May (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/el/53/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/el.2017.0963
Journal	Electronics Letters
Publisher Date	2017-04-12
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Asynchronous Generator Asynchronous Machine Compensation Control of Electric Power System DFIG Doubly Fed Induction Generator Grid Voltage Machine Control Multivariable Control System Negative Sequence Component Nonideal Grid Voltage Positive Sequence Component Power And Energy Control Power Control Second-order Generalised Integrator Sliding-mode Direct Power Control Strategy Sliding-mode DPC Strategy SMDPC Strategy SOGI-based Compensator Unbalanced Grid Condition Variable Structure System
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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