双三相感应电动机驱动的数字磁场定向控制

Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344) Pub Date : 2002-12-10 DOI:10.1109/IAS.2002.1042653

R. Bojoi, M. Lazzari, F. Profumo, A. Tenconi

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引用次数: 324

摘要

介绍了一种双三相异步电动机驱动的直接转子磁场定向控制方法。感应电机有两组定子三相绕组，空间位移30度。定子绕组由电流控制PWM (CRPWM)六相电压源逆变器(VSI)馈电。讨论了三个关键问题:(1)基于向量空间分解理论的机器动力学模型;(2) PWM策略采用双零序注入调制技术，计算量和硬件要求低，效果好;(3)为了消除驱动电源部分固有的不对称性，提出了一种新的电流控制方案。介绍了10kw双三相感应电动机驱动样机的实验结果。

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Digital field oriented control for dual three-phase induction motor drives

A direct rotor field oriented control (DRFOC) of a dual-three phase induction motor drive is described in this paper. The induction machine has two sets of stator three-phase windings spatially shifted by 30 electrical degrees. The stator windings are fed by a current controlled PWM (CRPWM) six-phase voltage source inverter (VSI). Three key issues are discussed: (1) the machine dynamic model is based on the vector space decomposition theory; (2) the PWM strategy uses the double zero-sequence injection modulation technique which gives good results with low computational and hardware requirements; and (3) to eliminate the inherent asymmetries of the drive power section, a new current control scheme is proposed. Experimental results are presented for a 10 kW dual three-phase induction motor drive prototype.

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Conference Record of the 2002 IEEE Industry Applications Conference. 37th IAS Annual Meeting (Cat. No.02CH37344)

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