NDLI: Voltage booster scheme for enhancing the fault ride-through of wind turbines

Content Provider	IET Digital Library
Author	Goweily, Khaled Moursi, Mohamed Shawky El Rahman, Mohamed Abdel Badr, Mohamed A. L.
Abstract	This study presents a new scheme for a continuously variable (CV) series braking resistor (SBR) with independent per phase controller. The CV-SBR is a CV and not stepwise. A novelty of the work presented is that the CV-SBR operates on the whole range of wind speeds. The proposed scheme is applicable to fault ride-through (FRT) of fixed speed wind turbines (FSWTs). The CV-SBR scheme is compared to the single-step (SS) and multi-steps (MS) SBRs. The CV-SBR scheme is modelled and simulated in PSCAD/EMTDC™. The performance of the wind turbine is studied for balanced and unbalanced fault scenarios. The CV-SBR scheme is advantageous over the other two candidates with its ability to limit the fault current and reduce the turbine speed deviation at any wind speed. The CV-SBR is employed with a static synchronous compensator (STATCOM) to allow FRT of FSWT connected to weak grid during nearby faults and to deliver the reactive current required by some grid codes. The CV-SBR scheme is successful in reducing voltage disturbance's consequences on the generator's mechanical system. Simulation results show that the CV-SBR allows FRT of FSWT connected to weak grid where the STATCOM alone is not able to sufficiently enhance the FRT of FSWT during nearby faults.
Starting Page	1853
Ending Page	1863
Page Count	11
ISSN	17554535
Volume Number	8
e-ISSN	17554543
Issue Number	Issue 10, Oct (2015)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-pel/8/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-pel.2014.0548
Journal	IET Power Electronics
Publisher Date	2015-07-29
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	A.C. Machine Acceleration Angular Velocity Control Brakes Continuously Variable Series Braking Resistor Control of Electric Power System CV SBR EMTDC Fault Current Fault Current Limiting FSWT Grid Side Machine Control Phase Control Phase Controller Phase Voltage Magnitude Power Grid Power System Fault Power System Protection PSCAD Reactive Current Rotation Control STATCOM Static Synchronous Compensator Static VAr Compensators Turbine Speed Deviation Reduction TurboGenerator Velocity Voltage Booster Scheme Voltage Disturbance Reduction Wind Power Plant Wind Speed Control Wind Turbine Wind Turbine FRT Wind Turbine Generator Fault Ride-through Enhancement
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering

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