Study on power fluctuation suppression of DFIG based on super capacitor energy storage

In view of the renewable energy sources such as wind power, high permeability of wide time scale power fluctuations inhibition of the hot issues, this paper presents a super capacitor charge and discharge power regulation of voltage state feedback control strategy for wind power active power fluctua...

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Bibliographic Details
Published in2017 IEEE Conference on Energy Internet and Energy System Integration (EI2) pp. 1 - 6
Main Authors Sun Dongyang, Zhang Xiongxin, Sun Lizhi, Wu Fengjian, Zu Guangxin
Format Conference Proceeding
LanguageEnglish
Published IEEE 01.11.2017
Subjects
Capacitors
Charge state
Coordinated control Introduction
DFIG
Energy management
Energy storage
Super capacitors
Wind farms
Wind power fluctuation
Wind power generation
Wind turbines
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Summary:In view of the renewable energy sources such as wind power, high permeability of wide time scale power fluctuations inhibition of the hot issues, this paper presents a super capacitor charge and discharge power regulation of voltage state feedback control strategy for wind power active power fluctuation in two-way quickly and accurately adjust, effectively control the output power fluctuations in short time scales; Is analyzed. Studying control combined with super capacitor voltage state, by reducing load control to set aside more than power, when the super capacitor voltage is too low or too high for auxiliary power regulation, optimization of super capacitor energy management, and realize the wide time scale inhibition of power fluctuations. Articles in by establishing consists of DFIG, dc double l/buck converter, the super capacitor energy storage unit model, on the basis of by a three doubly-fed wind power generator (DFIG) wind farm.
DOI:10.1109/EI2.2017.8245668