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首页> 外文期刊>Industrial Informatics, IEEE Transactions on >Predictive Current Control Methods With Reduced Current Errors and Ripples for Single-Phase Voltage Source Inverters
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Predictive Current Control Methods With Reduced Current Errors and Ripples for Single-Phase Voltage Source Inverters

机译：单相电压源逆变器的降低电流误差和纹波的预测电流控制方法

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摘要

This paper proposes two model predictive current control (MPCC) methods utilizing two output voltages with variable application durations in one sampling period to control the output currents of single-phase voltage source inverters (VSIs). In the proposed methods, the application durations of the two voltages, as well as the selection of two output voltages used in the future sampling period, are determined by an optimization process to minimize current error inside the future sampling period and to eliminate current error at the end of the future sampling instant. By utilizing the two voltages with variable durations, the two proposed MPCC methods can reduce steady-state current errors and decrease output current ripples without increasing the sampling frequency in comparison with the conventional MPCC method, despite only three distinctive output voltages being allowed in the single-phase VSI. The two proposed methods along with the conventional MPCC method are compared in terms of current errors and total harmonic distortion. The effectiveness of the two proposed methods for the single-phase VSIs is verified with both simulation and experimental results.
机译：本文提出了两种模型预测电流控制（MPCC）方法，它们利用两个输出电压在一个采样周期内具有可变的施加持续时间来控制单相电压源逆变器（VSI）的输出电流。在建议的方法中，两个电压的施加持续时间以及未来采样周期中使用的两个输出电压的选择是通过优化过程确定的，以最大程度地减少未来采样周期内的电流误差并消除未来采样时刻的结束。与传统的MPCC方法相比，通过利用两个具有可变持续时间的电压，与传统的MPCC方法相比，两种建议的MPCC方法可以在不增加采样频率的情况下减少稳态电流误差并减少输出电流纹波，尽管单个方法只允许三个独特的输出电压相VSI。根据电流误差和总谐波失真，比较了两种建议的方法和传统的MPCC方法。仿真和实验结果均验证了两种方法对单相VSI的有效性。

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