Active-Reactive Additional Damping Control of a Doubly-Fed Induction Generator Based on Active Disturbance Rejection Control
Yanfeng Ma,
Jia Liu,
Haihang Liu and
Shuqiang Zhao
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Yanfeng Ma: Department of Electrical Engineering, North China Electric Power University, Baoding 071003, China
Jia Liu: Department of Electrical Engineering, North China Electric Power University, Baoding 071003, China
Haihang Liu: Inner Mongolia Power Economic Research Institute, Huhehaote 010000, China
Shuqiang Zhao: Department of Electrical Engineering, North China Electric Power University, Baoding 071003, China
Energies, 2018, vol. 11, issue 5, 1-18
Abstract:
Large-scale wind power interfacing to the power grid has an impact on the stability of the power system. However, with an additional damping controller of the wind generator, new ways for improving system damping and suppressing the low frequency oscillation (LFO) of power systems can be put forward. In this paper, an active-reactive power additional damping controller based on active disturbance rejection control (ADRC) is proposed. In order to improve the precision of the controller, the theory of data driven control is adopted, using the numerical algorithms for subspace state space system identification (N4SID) to obtain the two order model of the ADRC controlled object. Based on the identification model, the ADRC additional damping controller is designed. Taking a 2-area 4-machine system containing the doubly fed induction generator (DFIG) wind farm as an example, it is verified that the active-reactive additional damping controller designed in this paper performs well in suppressing negative-damping LFO and forced power oscillation. When the operation state of the power system changes, it can still restrain the LFO effectively, showing stronger robustness and better effectiveness compared to the traditional proportional–integral–derivative (PID) additional damping controller.
Keywords: DFIG; active disturbance rejection control; data-driven control; additional damping controller; system identification; low frequency oscillation (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2018
References: View complete reference list from CitEc
Citations: View citations in EconPapers (5)
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Persistent link: https://EconPapers.repec.org/RePEc:gam:jeners:v:11:y:2018:i:5:p:1314-:d:148202
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