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
收藏
页码：132 / 139
页数：8
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