A review of direct power control technologies of DFIG with constant switching frequency

Author

Weiguang, Wang ; Tian, Qiu

Author_Institution

Key Lab. of Condition Monitoring & Control for Power Plant Equip. Minist. of Educ., North China Electr. Power Univ., Beijing, China

fYear

2011

fDate

23-25 May 2011

Firstpage

2819

Lastpage

2822

Abstract

The technologies of direct power control (DPC) of DFIG with constant switching frequency have become a focal point due to their easy design of the power converter and the ac harmonic filter, also due to the reduction of the harmonic of the stator current and less power lose. This paper provides a comprehensive review of this technology. It is shown that the direct power control with constant switching frequency is mainly achieved by using the PWM, SVM, DSVM-DPC, and P-DPC respectively. The principle of the schematic and the advantages or disadvantages of each approach are proposed. The difficulties in the application of the technology are also analyzed.

Keywords

PWM power convertors; power harmonic filters; reactive power control; stators; wind turbines; DFIG; DSVM-DPC; P-DPC; PWM; ac harmonic filter; constant switching frequency; direct power control technology; focal point; power converter; stator current; Power control; Reactive power; Rotors; Stators; Switches; Switching frequency; DFIG; constant switching frequency; direct power control;

fLanguage

English

Publisher

ieee

Conference_Titel

Control and Decision Conference (CCDC), 2011 Chinese

Conference_Location

Mianyang

Print_ISBN

978-1-4244-8737-0

Type

conf

DOI

10.1109/CCDC.2011.5968691

Filename

5968691