一种基于固定开关频率的降低共模电压的VSI预测控制新方案

2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG) Pub Date : 2015-05-11 DOI:10.1109/POWERENG.2015.7266388

M. Rivera

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引用次数: 17

摘要

传统的有限集模型预测控制(FS-MPC)技术具有开关频率可变、噪声大、电压和电流纹波大的特点。本文提出了一种新的电压源逆变器的固定开关频率预测控制策略，其目的是在变换器输出端获得一个共模电压自然降低的调制波形。仿真结果表明，预测控制具有动态响应快、易于包含非线性等优点，并与最近提出的调制模型预测控制(M2PC)进行了比较。

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A new predictive control scheme for a VSI with reduced common mode voltage operating at fixed switching frequency

Traditional finite-set model predictive control (FS-MPC) techniques are characterized by a variable switching frequency which causes noise as well as large voltage and current ripple. In this paper a novel predictive control strategy with a fixed switching frequency for a voltage source inverter is proposed, with the aim of obtaining a modulated waveform at the output of the converter with a natural reduction of the common mode voltage. The feasibility of this strategy is evaluated using simulation results to demonstrate the advantages of predictive control, such as fast dynamic response and the easy inclusion of nonlinearities and they are compared with the modulated model predictive control (M2PC) proposed recently.

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2015 IEEE 5th International Conference on Power Engineering, Energy and Electrical Drives (POWERENG)

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