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This paper proposes a method based on a prediction error minimization (PEM) algorithm to identify the discrete state-space model of a LCL filter used as interface between a voltage source converter and the electrical grid. This model can be used to design directly a discrete current controller in the state space using techniques as linear quadratic regulator, state estimators, etc. The method can...
This paper investigates the impact of the voltage source converter (VSC) current controller of a converter driven synchronous generator on the transient stability of a power system. The transient disturbance which the power network is exposed to is that of a three-phase short circuit. The transient response of the power system is firstly observed with system controllers' i.e. Automatic voltage regulator...
This contribution deals with a new configuration of traction converter with medium-frequency transformer for multi-system suburban units and locomotives. This paper introduces control of primary voltage source active rectifiers with direct control of trolley current, presents simulation and experimental results of designed low-voltage laboratory prototype of traction converter of rated power of 12...
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