Advanced Control Strategy of Back-to-Back PWM Converters in PMSG Wind Power System

This paper proposes a control scheme of back-to-back PWM converters for the permanent magnet synchronous generator (PMSG) wind turbine system. The DC-link voltage can be controlled at the machine-side converter (MSC), while the grid-side converter (GSC) controls the grid active power for a maximum p...

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Bibliographic Details
Published in:Advances in electrical and electronic engineering 2015-06, Vol.13 (2), p.81-95
Main Authors: Van, Tan Luong, Ngyen, Thanh Dung, Tran, Thanh Trang, Nguyen, Huy Dung
Format: Article
Language:English
Subjects:
Active control
Control systems
Converters
dc-link voltage
Dynamical systems
Dynamics
feedback linearization
Maximum power
mppt
pmsg
Pulse duration modulation
sag
swell
Wind turbines
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Summary:This paper proposes a control scheme of back-to-back PWM converters for the permanent magnet synchronous generator (PMSG) wind turbine system. The DC-link voltage can be controlled at the machine-side converter (MSC), while the grid-side converter (GSC) controls the grid active power for a maximum power point tracking (MPPT). At the grid fault condition, the DC-link voltage controller is designed using a feedback linearization (FL) theory. For the MPPT, a proportional control loop is added to the torque control to reduce the influence of the inertia moment in the wind turbines, which can improve its dynamic performance. The validity of this control algorithm has been verified by the simulation of the 2-MW PMSG wind turbine system.
ISSN:1336-1376
1804-3119
DOI:10.15598/aeee.v13i2.1161