A Self-Excited Induction Generator with Simple Voltage Regulation Suitable for Wind Energy


Vol. 4, No. 4, pp. 205-216, Oct. 2004
10.6113/JPE.2004.4.4.205


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 Abstract

In this paper, a three-phase induction machine-based wind power generation scheme is proposed. This scheme uses a low-cost diode bridge rectifier circuit connected to an induction machine via an ac load voltage regulator (AC-LVR) to regulate dc power transfer. The AC-LVR is used to regulate the DC load voltage of the diode bridge rectifier circuit which is connected to the three-phase self-excited induction generator (SEIG). The excitation of the three-phase SEIG is supplied by the static VAR compensator (SVC). This simple method for obtaining a full variable-speed wind turbine system by applying a back-to-back power converter to a wound rotor induction generator is useful for wind power generation at widely varying speeds. The dynamic performance responses and the experimental results of connecting a 5kW 220V three-phase SEIG directly to a diode bridge rectifier are presented for various loads. Moreover, the steady-state simulated and experimental results of the PI closed-loop feedback voltage regulation scheme prove the practical effectiveness of these simple methods for use with a wind turbine system.


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Cite this article

[IEEE Style]

T. Ahmed, K. Nishida and M. Nakaoka, "A Self-Excited Induction Generator with Simple Voltage Regulation Suitable for Wind Energy," Journal of Power Electronics, vol. 4, no. 4, pp. 205-216, 2004. DOI: 10.6113/JPE.2004.4.4.205.

[ACM Style]

Tarek Ahmed, Katsumi Nishida, and Mutsuo Nakaoka. 2004. A Self-Excited Induction Generator with Simple Voltage Regulation Suitable for Wind Energy. Journal of Power Electronics, 4, 4, (2004), 205-216. DOI: 10.6113/JPE.2004.4.4.205.