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首页> 外文期刊>Power Electronics, IET >Synchronous-frame decoupling current regulators for induction motor control in high-power drive systems: modelling and design
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Synchronous-frame decoupling current regulators for induction motor control in high-power drive systems: modelling and design

机译：高功率驱动系统中感应电机控制的同步框架去耦电流调节器：建模与设计

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摘要

In this study, a decoupling current regulator with a simple design approach aiming to mitigate cross-coupling effects during torque or speed disturbance is proposed for induction motor (IM) drives that operate at the low switching frequency. The proposed control method consists to derive a decoupling transfer matrix from the plant accurate model that is inserted at the output of the current controller, while traditional methods consider the feedback synchronous currents or their errors to calculate the compensation terms. The proposed method allows the controlled system to be equivalent to a dual single-input-single-output system without cross-coupling terms. The performances of this method have been validated through simulations and experiments on a 3-kW IM powered by a 3-level neutral-point clamped inverter at different operating conditions. The results show that the proposed decoupling approach provides additional bandwidth frequency than traditional approaches from literature. This characteristic translates into fast response time and improved decoupling dynamics at various operating conditions.
机译：在该研究中，提出了一种具有简单设计方法的解耦电流调节器，其提出了在扭矩或速度扰动期间减轻交叉耦合效应，用于以低开关频率操作的感应电动机（IM）驱动器。所提出的控制方法包括从植物精确模型中插入当前控制器的输出的植物准确模型的解耦转移矩阵，而传统方法考虑反馈同步电流或其错误以计算补偿项。所提出的方法允许受控系统等同于双单输入单输出系统而不交叉耦合术语。通过在不同的操作条件下通过模拟和3距中性点夹紧逆变器的3-kW IM的模拟和实验验证了该方法的性能。结果表明，所提出的去耦方法提供了比传统文献方法的额外带宽频率。这种特性转化为在各种操作条件下的快速响应时间和改进的去耦动态。

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