DTC strategy for a DSP-based Five-Level Flying-Capacitor Drive with improved flux estimation

被引：0

作者：

Arasteh, Mohammad ^{[1
]}

Rahmati, Abdolreza ^{[1
]}

Farhangi, Shahrokh ^{[2
]}

Abrishamifar, Adib ^{[1
]}

机构：

[1] Iran Univ Sci & Technol, Sch Elect Engn, Tehran, Iran

[2] Univ Tehran, Sch Elect & Comp Engn, Tehran, Iran

来源：

PRZEGLAD ELEKTROTECHNICZNY | 2011年 / 87卷 / 06期

关键词：

direct torque control; switching table; flying capacitor multilevel inverter; flux estimation; DIRECT TORQUE CONTROL;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper gives a detailed analysis of direct torque control (DTC) strategy in a five-level drive and proposes a 24-sector switching table. Also, flux estimation has been improved by a discrete-time low-pass filter (LPF) with variable cut-off frequency. Algorithm to compensate the amplitude and phase errors is introduced and algorithm to determine digital filter coefficients at different speeds is presented. Simulation and practical results on a prototype using an induction motor 400V, 3kVA are given. To implement the DTC strategy, processor TMS320F2812 is used.

引用

页码：132 / 139

页数：8

共 41 条

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