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One of the main drawbacks of the implementation of predictive control in a direct matrix converter is the high computational cost and the adequate selection of weighting factors in order to control both input and output sides. In this paper is proposed an indirect model predictive current control strategy enhanced with a fixed switching predictive strategy and an active damping implementation. With...
The classic model predictive control presents a variable switching frequency which could produce resonances in the input filter of the matrix converter, affecting the performance of the system. In this paper a model predictive control strategy is proposed with fixed switching frequency operation which is enhanced with an active damping method in order to mitigate resonances of the input filter. The...
Predictive control has recently emerged as a promising alternative to more traditional methods for the control and modulation of power converters. This paper presents an overview of predictive control techniques applied to matrix converters. The paper highlights that predictive control strategy is a promising alternative to conventional modulator based linear control for matrix converters due to its...
This paper describes the application of a simplified indirect model predictive current control strategy for a direct Matrix Converter. The direct matrix converter has a large number of available switching states which implies that the implementation of predictive control high computational cost. In this paper, a predictive current control strategy is proposed in order to simplify the computational...
The direct matrix converter has twenty-seven available switching states which implies that the implementation of predictive control techniques in this converter requires high computational cost while an adequate selection of weighting factors in order to control both input and output sides of the converter. In this paper, two indirect model predictive current control strategies are proposed in order...
This paper proposes two indirect model predictive control techniques with input filter resonance mitigation operating at fixed switching frequency. These techniques address the main issues of the implementation of model predictive control in a direct matrix converter, namely the high computational cost, the adequate selection of weighting factors and the variable switching frequency which could produce...
The classic model predictive control presents a variable switching frequency which could produce high ripple in the controlled waveforms or resonances in the input filter of the matrix converter, affecting the performance of the system. This paper presents two model predictive control strategies with fixed switching frequency operation which allow a better performance of the system. The operation...
In this paper an indirect model predictive current control strategy is proposed. The proposed method simplifies the computational cost while avoiding the use of weighting factors. Weighting factors are an issue for model predictive control in a direct matrix converter due to the large number of available switching states and necessity to control both input and output sides of the converter.
The following paper presents a novel indirect model predictive control strategy for a direct matrix converter (DMC). The direct matrix converter has a large number of available switching states and therefore the implementation of predictive control techniques require high computational resources. In addition, the simultaneous selection of weighting factors for the control of input and output variables...
Conventional finite-set model-based predictive control (FS-MBPC) methods inherently present a variable switching frequency which causes harmonic distortion as well as excessive voltage and current ripple. An indirect power control strategy with fixed frequency capability is presented in this paper for a DFIG driven by an indirect matrix converter. The system initial conditions are maintained for the...
The second part of this paper presents an overview of different control strategies and applications for matrix converters (MCs) where predictive control techniques are applied. It will be shown that predictive control is a promising alternative to control MCs due to its simplicity and flexibility to include different constrains in the control for different industrial applications such as renewable...
This paper presents an overview of the predictive control principles applied to matrix converters and also the different topologies where this control technique is applied. It will be shown that the predictive strategy is a promising alternative to control matrix converters due to its simplicity and flexibility to include additional aspects in the control being suitable for different industrial applications.
This paper describes a matrix converter with a three-phase input and single-phase output that can be used as a building block for high-power cascaded converters. In this paper a sinusoidal pulse width modulation technique with a linear controller is proposed for the single-phase output matrix converter. The proposed modulation and control will be used in the cascade configurations for high-power applications...
This paper presents a predictive control strategy to control the load current in a single-phase AC-AC converter. The proposed technique consists on a prediction estimation to choose the available switching state of the converter to be applied one step ahead. By considering a cost function, the best switching state to be applied into the converter the next sampling period is selected. All this is done...
The second part of this paper presents an overview of different control strategies and applications for matrix converters (MCs) where predictive control techniques are applied. It will be shown that predictive control is a promising alternative to control MCs due to its simplicity and flexibility to include different constrains in the control for different industrial applications such as renewable...
The predictive strategy is a promising alternative to control matrix converters and due to its simplicity and flexibility to include additional aspects in the control, its implementation can be extended to different topologies and industrial applications. This paper presents an overview of the predictive control principles applied to matrix converters and other derived topologies including cascade...
A predictive control strategy applied to a matrix converter based induction machine drive is presented in this paper. The strategy features the advantages of the direct torque control (DTC) and the predictive control, verifying its robustness throughout its behavior analysis under an unbalanced AC supply. The predictive control approach is based on the model of the converter-machine system. Such model...
This paper proposes a predictive control technique for an indirect matrix converter. The proposed control strategy gives sinusoidal waveforms at both the input and output of the converter without any weighting factor in the cost function and, at the same time, giving operation at a fixed switching frequency. Simulation results with an unbalanced ac-supply validate the proposed method under both steady...
In this paper a predictive control technique for an indirect matrix converter is proposed. The control strategy allows to impose a sinusoidal waveform in both the input and output current of the converter without any weighting factor in the controller and, at the same time, the operation at fixed switching frequency. Simulation results validate the proposal under both steady and transient states which...
In this paper a predictive control technique for an indirect matrix converter is proposed. The control strategy allows the output current control and the instantaneous reactive input power minimization of the converter without any weighting factor in the controller and, at the same time, the operation at fixed switching frequency. Simulation results validate the proposal under both steady and transient...
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