Direct Torque Control of Low-Voltage Three-Phase Induction Motor Using a Three-Level Eight-Switch Inverter

被引：10

作者：

Ardakani, Seyyedmohammadjavad Ghazi ^{[1
]}

Hosseinpour, Majid ^{[2
]}

Shahparasti, Mahdi ^{[3
]}

Siahi, Mehdi ^{[4
]}

机构：

[1] Islamic Azad Univ, Kish Int Branch, Kish Island, Iran

[2] Univ Mohaghegh Ardabili, Ardebil, Iran

[3] Islamic Azad Univ, East Tehran Branch, Tehran, Iran

[4] Islamic Azad Univ, Cent Tehran Branch, Tehran, Iran

来源：

ARABIAN JOURNAL FOR SCIENCE AND ENGINEERING | 2019年 / 44卷 / 08期

关键词：

Multilevel inverters; Induction motor speed control; Direct torque control; Neutral voltage balancing; BALANCE; DRIVES;

D O I：

10.1007/s13369-019-03833-7

中图分类号：

O [数理科学和化学]; P [天文学、地球科学]; Q [生物科学]; N [自然科学总论];

学科分类号：

07 ; 0710 ; 09 ;

摘要：

Speed control of conventional low-voltage low-power induction motors (LV-LP-IMs) by two-level voltage source inverter (2LVSI) has some difficulties due to limitations of LV-LP-IMs especially insulation system. Besides, the use of multilevel inverters is not cost-effective either. In this paper, the new topology of reduced-switch-count three-level inverter with only eight switches is proposed for speed controlling of LV-LP IM. Eight-switch inverter is a newly three-level converter, which has the fewer number of switching devices, lower cost, smaller volume compared with the conventional three-level inverters, while it has sufficient switching vectors to speed control of IMs. In this paper, the structure and switching vectors of the eight-switch inverter are analyzed, and the direct torque control method based on the switching table and voltage balancing of the DC input voltage are presented for the LV-LP-IM speed control. Simulation results, considering different work conditions, are presented in order to validate finally the good performance of the proposed method. Moreover, the obtained results are compared with 2LVSI and conventional three-level inverters in different aspects.

引用

页码：7121 / 7131

页数：11

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