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Abstrakt

A novel Voltage Modulated Direct Power Control (VM-DPC) is firstly designed for a Back-to-Back (BTB) converter in the Doubly Fed Induction Generator (DFIG) system. The proposed VM-DPC is built in the stator stationary reference frame ($\alpha\beta$). The proposed method uses a simple feed-forward and feedback structure without a phase-locked loop and the Park transformation. Therefore, it can be easily implemented in the BTB converter. Another essential advantage of the proposed VM-DPC is that it can transform the closed-loop DFIG system into a linear-time-invariant one, which can be analyzed and designed through multiple linear control techniques. The proposed method guarantees exponential stability in the stiff grid as well as in weak-grid integration, which is proved based on eigenvalue analysis. Simulation results demonstrate that the proposed VM-DPC has a faster transient response than conventional Vector Oriented Control (VOC). Also, it maintains a satisfactory steady-state performance at the same level as the VOC. The robustness of proposed VM-DPC against distorted voltage conditions and parameter mismatch is also tested. Finally, the proposed VM-DPC control strategy is validated in an experimental hardware prototype of a 7.5 kW DFIG system operating in real-time.
OriginalsprogEngelsk
Artikelnummer9201568
TidsskriftI E E E Transactions on Power Electronics
Vol/bind36
Udgave nummer4
Sider (fra-til)4672-4685
Antal sider14
ISSN0885-8993
DOI
StatusUdgivet - apr. 2021

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  • Shuning Gao

    Yonghao Gui (Vært)

    15 dec. 201931 mar. 2020

    Aktivitet: Værtskab for gæsteforskerVærtskab for gæsteforsker

  • A Voltage Modulated Direct Power Control of the Doubly Fed Induction Generator

    Gao, S., Zhao, H., Gui, Y., Zhang, Z. & Wu, Q., 2019, 2019 IEEE Power & Energy Society General Meeting (PESGM). IEEE, s. 1-5 5 s. 8973524. (IEEE Power and Energy Society General Meeting).

    Publikation: Bidrag til bog/antologi/rapport/konference proceedingKonferenceartikel i proceedingForskningpeer review

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    2 Citationer (Scopus)
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