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Stability improvement of V/F controlled induction motor driver systems based on reactive current compensation

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4 Author(s)
Rongfeng Yang ; Sch. of Electr. Eng. & Autom., Harbin Inst. of Technol., Harbin ; Wei Chen ; Yong Yu ; Dianguo Xu

The V/F controlled induction motor driver systems always suffer from middle frequency oscillations under light load conditions. Many methods were sponsored but always complex and parameters dependent. This paper present one simple and reliable method which can improve the systemspsila stability: First, one efficient dead-time compensating method was present, which can reduce the distortion of phase current. Then, one voltage adjusting method based on reactive current compensation was proposed. This method is parameter independent and the experiment results demonstrate it can damps the oscillations of the drive system effectively.

Published in:

Electrical Machines and Systems, 2008. ICEMS 2008. International Conference on

Date of Conference:

17-20 Oct. 2008