NDLI: A new multiple-loops control scheme for a three-phase/switch/level PWM rectifier based on the input/output feedback linearization technique

Content Provider	IEEE Xplore Digital Library
Author	Kanaan, H.Y. Al-Haddad, K.
Copyright Year	2002
Description	Author affiliation: St-Joseph Univ., Lebanon (Kanaan, H.Y.)
Abstract	In this paper, a new nonlinear control system is developed and applied to a three-phase, three-switch, three-level AC-to-DC converter. The derivation of the proposed control law is based on a fourth-order low-frequency time-invariant nonlinear state model of the converter. This mathematical model, expressed in a rotating frame, is obtained using averaging techniques over a double time base. The proposed control law is designed on the basis of a multiple-loops control strategy, where an exact input-output feedback linearization is applied to the inner and outer loops. The regulators are designed in order to ensure the shaping of the line-currents, the regulation of the DC output voltage and the compensation of the DC load unbalance. The performances of the proposed control law in steady state and transient regimes are then analyzed by numerical simulations. In this purpose, a digital version of the converter is implemented in the Matlab/Simulink framework, using the switching function approach. The obtained simulation results show a nearly zero current harmonic distortion, a unity displacement factor, a low output voltage ripple, and a high robustness to DC load unbalance.
Sponsorship	IEEE ice SICE Univ. Sevilla
Starting Page	1404
Ending Page	1409
File Size	272269
Page Count	6
File Format	PDF
ISBN	0780374746
DOI	10.1109/IECON.2002.1185483
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-11-05
Publisher Place	Spain
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Switches Pulse width modulation Linear feedback control systems Rectifiers Output feedback Linearization techniques Mathematical model Nonlinear control systems Feedback loop Regulators
Content Type	Text
Resource Type	Article

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