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- Title
Minimum Time Current Control of Three-Phase PWM Rectifier with LCL Filter Interface.
- Authors
Long, Bo; Vista IV, Felipe P.; Lee, Deok Jin; Chong, Kil To
- Abstract
This paper proposes a minimum time current optimal controller for three-phase pulse width modulation (PWM) rectifier with LCL filter. The proposed scheme is realized by choosing the optimal control voltage for the current reference tracking with minimum time under the maximum voltage and maximum current limit constraint. The solutions of this optimization model are obtained by solving the Hamiltonian function. Simulation and experimental results demonstrate that the proposed optimal controller could achieve smaller transient current response time than the conventional synchronous proportional-integral (PI) controller, and performance of dc-link voltage is greatly improved, which at the same time could suppress DC-bus voltage variations by way of reactive current control.
- Subjects
PULSE width modulation; ELECTRIC filters; HAMILTONIAN systems; OPTIMAL control theory; HIGH voltages; ELECTRIC currents
- Publication
International Review of Electrical Engineering, 2012, Vol 7, Issue 5, p5330
- ISSN
1827-6660
- Publication type
Article