2011
DOI: 10.1109/tec.2011.2107912
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A Coordinated Control Method to Smooth Wind Power Fluctuations of a PMSG-Based WECS

Abstract: This paper presents an output power smoothing method by a simple coordinated control of DC-link voltage and pitch angle of a wind energy conversion system (WECS) with a permanent magnet synchronous generator (PMSG). The WECS adopts an AC-DC-AC converter system with voltage-source converters (VSC). The DC-link voltage command is determined according to output power fluctuations of the PMSG. The output power fluctuationsin low-and high-frequency domains are smoothed by the pitch angle control of the WECS, and th… Show more

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Cited by 304 publications
(169 citation statements)
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“…p C λ β is the power coefficient, which is a function of the tip-speed ratio, λ , and the pitch angle, β [15]. Because the wind speed depends on the natural and meteorological conditions, the WT output power essentially fluctuates.…”
Section: Wind Power Fluctuationmentioning
confidence: 99%
“…p C λ β is the power coefficient, which is a function of the tip-speed ratio, λ , and the pitch angle, β [15]. Because the wind speed depends on the natural and meteorological conditions, the WT output power essentially fluctuates.…”
Section: Wind Power Fluctuationmentioning
confidence: 99%
“…Typically, the motor side converter (MSC) works as a rectifier and controls the active and reactive power output of the PMSG. Meanwhile, the grid side converter (GSC) works as an inverter, maintains the DC-link voltage, and controls the reactive power exchange between the generator and the grid [12][13][14][15]. The DC chopper circuit, which consists of power electronic devices and unloading resistors connected in series, is used to maintain a stable DC-link voltage during grid faults.…”
Section: Configuration Of Vsc-hvdc-based Pmsg Wind Power Systemmentioning
confidence: 99%
“…Vector control techniques have been well developed for PMSG using back-to-back PWM converters [23][24][25][26][27][28]. Two vector control schemes are designed respectively for the generator-side and grid-side PWM converters, as shown in Figure 1.…”
Section: Control Schemesmentioning
confidence: 99%