Abstract
In this paper, the implementation of a complete set of control algorithms for a three-phase Matrix Converter (MC) is addressed. The control algorithms are implemented on a single Microcontroller Unit (MCU) of the enhanced C2000 Delfino family of Texas Instruments (TI). By a suitable programming sequence, the MCU is capable of fully controlling the MC, which avoids the use of special hardware for assuring a reliable commutation process. The Singular Value Decomposition modulation (SVD) and the four-step current commutation technique, fundamental steps in this proposal, were implemented in the TMS320F28379D MCU device. The optimal algorithmic strategies and a proficient design allow a compact implementation in a single device. For validating this study, extensive numerical simulations were carried out, and an experimental prototype was efficiently implemented. Both kinds of results were discussed and analyzed to demonstrate the effectiveness of the proposed implementation.
Highlights
The AC-AC power converters play an important role in the current operation of the power systems
This paper describes the full process for implementing the Singular Value Decomposition modulation (SVD) modulation strategy [38] and the four-step current commutation method [24], algorithms utilized in an Matrix Converter (MC) prototype based on a single lowcost Microcontroller Unit (MCU) device
A Matrix Converter prototype based on the SVD modulation technique and the four-step current commutation strategy was implemented utilizing an MCU as unique controlling device
Summary
The AC-AC power converters play an important role in the current operation of the power systems. In order to carry out the implementation of this algorithms, the utilization of a digital signal processor (DSP) to perform the modulation operations in conjunction with a Field Programmable Gate Array (FPGA) to execute the gate signal generation is a very common configuration, as described in [19], [31], [32] Another option is based on the relevance of the gate signal generation and the need for running in parallel, where the MC control algorithm is implemented on a single FPGA device as detailed in [33]–[36]. The implementation is based on the enhanced pulse width modulation peripheral (PWM) incorporated in the same chip Unlike this last work, this paper describes the full process for implementing the SVD modulation strategy [38] and the four-step current commutation method [24], algorithms utilized in an MC prototype based on a single lowcost MCU device.
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