Implementation and Validation for Multitasks of a Cost-Effective Scheme Based on ESS and Braking Resistors in PMSG Wind Turbine Systems

This study deals with fault ride-through (FRT) capability and output power fluctuation suppression of wind turbine systems (WTS) having PMSG (permanent-magnet synchronous generator) for mitigating grid frequency variation and voltage flicker in the distribution system. The coordinated control of a c...

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Bibliographic Details
Published inEnergies (Basel) Vol. 15; no. 21; p. 8282
Main Authors Nguyen, Thanh Hai, Nawaz, Asif, Sreekumar, Preetha, Natsheh, Ammar, Akre, Vishwesh, Van, Tan Luong
Format Journal Article
LanguageEnglish
Published Basel MDPI AG 01.11.2022
Subjects
Air-turbines
Alternative energy sources
braking resistors
Control algorithms
Cost control
Economic aspects
Electronic components industry
Energy storage
energy storage super-capacitors
fault ride-through
Frequency variation
Permanent magnets
permanent-magnet synchronous generator
Renewable resources
Resistors
Turbines
Voltage flicker
Wind power
Wind speed
wind turbine systems
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Summary:This study deals with fault ride-through (FRT) capability and output power fluctuation suppression of wind turbine systems (WTS) having PMSG (permanent-magnet synchronous generator) for mitigating grid frequency variation and voltage flicker in the distribution system. The coordinated control of a cost-effective scheme based on energy storage supercapacitors (ESSs) and braking resistors (BR) is introduced to perform the multiple tasks of the WTS. In this hybrid scheme, the ESSs are initially used to absorb the fluctuated power component with the constraints of their ratings during the grid faults and wind speed variation conditions prior to the activation of the BRs when the ESSs cannot fully consume the mismatched power between the PMSG and grid during severe grid faults. With the additional BRs, the capacity of the costly ESSs is remarkably reduced, while the performance of the fault ride-through capability and power smoothening for the WTS are still kept satisfactory and in compliance with the requirements of advanced grid codes. Detailed experimental implementation and its results for a down-scaled prototype in a laboratory are shown to verify the effectiveness of the introduced scheme along with the simulation results with the high-power rating WTS.
ISSN:1996-1073
1996-1073
DOI:10.3390/en15218282