Stable Adaptive Inertial Control of a Doubly-Fed Induction Generator

Moses Kang, Eduard Muljadi, Kyeon Hur, Yong Cheol Kang

Research output: Contribution to journalArticlepeer-review

57 Citations (Scopus)


This paper proposes a stable adaptive inertial control scheme of a doubly-fed induction generator. The proposed power reference is defined in two sections: 1) the deceleration period and 2) the acceleration period. The power reference in the deceleration period consists of a constant and the reference for maximum power point tracking (MPPT) operation. The latter contributes to preventing a second frequency dip (SFD) in this period because its reduction rate is large at the early stage of an event but quickly decreases with time. To improve the frequency nadir (FN), the constant value is set to be proportional to the rotor speed prior to an event. The reference ensures that the rotor speed converges to a stable operating region. To accelerate the rotor speed while causing a small SFD, when the rotor speed converges, the power reference is reduced by a small amount and maintained until it meets the MPPT reference. The results show that the scheme causes a small SFD while improving the FN and the rate of change of frequency in any wind conditions, even in a grid that has a high penetration of wind power.

Original languageEnglish
Article number7462275
Pages (from-to)2971-2979
Number of pages9
JournalIEEE Transactions on Smart Grid
Issue number6
Publication statusPublished - 2016 Nov

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All Science Journal Classification (ASJC) codes

  • General Computer Science


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