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Title: Short-Term Frequency Response of a DFIG-Based Wind Turbine Generator for Rapid Frequency Stabilization

Journal Article · · Energies
DOI:https://doi.org/10.3390/en10111863· OSTI ID:1422244

This paper proposes a short-term frequency-response scheme of a doubly-fed induction generator (DFIG)-based wind turbine generator (WTG) for improving rotor speed recovery and frequency nadir. In the energy-releasing period, to improve the frequency nadir and rotor speed convergence by releasing a large amount of kinetic energy stored in the rotating masses in a DFIG-based WTG, the power reference is increased up to the torque limit referred to the power and reduces along with it for a predefined period which is determined based on the occurrence time of the frequency nadir in a power grid. Then, the reference decreases so that the rotor speed is forced to be converged to the preset value in the stable operating region of the rotor speed. In the energy-absorbing period, to quickly recover the rotor speed, the reference smoothly decreases with the rotor speed and time during a predefined period until it intersects with the maximum power point tracking curve. The simulation results demonstrate that the proposed scheme successfully achieves rapid frequency stabilization with the improved frequency nadir under various wind conditions based on the IEEE 14-bus system.

Research Organization:
National Renewable Energy Lab. (NREL), Golden, CO (United States)
Sponsoring Organization:
USDOE Office of Energy Efficiency and Renewable Energy (EERE), Wind and Water Technologies Office (EE-4W)
Grant/Contract Number:
AC36-08-GO28308; AC36-08GO28308
OSTI ID:
1422244
Alternate ID(s):
OSTI ID: 1415128
Report Number(s):
NREL/JA-5D00-70722; ENERGA; PII: en10111863
Journal Information:
Energies, Journal Name: Energies Vol. 10 Journal Issue: 11; ISSN 1996-1073
Publisher:
MDPI AGCopyright Statement
Country of Publication:
Switzerland
Language:
English
Citation Metrics:
Cited by: 3 works
Citation information provided by
Web of Science

References (19)

Transient Response Improvement of Microgrids Exploiting the Inertia of a Doubly-Fed Induction Generator (DFIG) journal June 2010
Illustration of Modern Wind Turbine Ancillary Services journal June 2010
Analysis of the short-term overproduction capability of variable speed wind turbines journal August 2014
Frequency Control Support of a Doubly-Fed Induction Generator Based on the Torque Limit journal November 2016
An Improved Adaptive-Torque-Gain MPPT Control for Direct-Driven PMSG Wind Turbines Considering Wind Farm Turbulences journal November 2016
An Analysis of Variable-Speed Wind Turbine Power-Control Methods with Fluctuating Wind Speed journal July 2013
Critical Short Circuit Ratio Analysis on DFIG Wind Farm with Vector Power Control and Synchronized Control journal March 2016
Improved inertial control for permanent magnet synchronous generator wind turbine generators journal October 2016
Maximum Energy Output of a DFIG Wind Turbine Using an Improved MPPT-Curve Method journal October 2015
A Frequency Control Approach for Hybrid Power System Using Multi-Objective Optimization journal January 2017
Sensorless Maximum Power Point Tracking of Wind by DFIG Using Rotor Position Phase Lock Loop (PLL) journal April 2009
Stable Adaptive Inertial Control of a Doubly-Fed Induction Generator journal November 2016
A review of grid code technical requirements for wind farms journal January 2009
Comparison of the Response of Doubly Fed and Fixed-Speed Induction Generator Wind Turbines to Changes in Network Frequency journal December 2004
Temporary Primary Frequency Control Support by Variable Speed Wind Turbines— Potential and Applications journal May 2008
High Wind Power Penetration in Isolated Power Systems—Assessment of Wind Inertial and Primary Frequency Responses journal August 2013
Coordinated frequency regulation by doubly fed induction generator-based wind power plants journal January 2012
Coordinated Virtual Inertia Control Strategy for D-PMSG Considering Frequency Regulation Ability journal November 2016
Participation of Doubly Fed Induction Wind Generators in System Frequency Regulation journal August 2007

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