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Information Technology Journal
  Year: 2014 | Volume: 13 | Issue: 5 | Page No.: 927-933
DOI: 10.3923/itj.2014.927.933
 
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A New Sector Positioning Method of the SVPWM Reference Voltage Space Vector

Gaoming He, Mei Wang, Jinming Gan and Chaoxiang Liang

Abstract:
Induction motor speed control is an important means to improve the efficiency of electric power and the Space Vector Pulse Width Modulation (SVPWM) control technology is widely used in induction motor speed control. In this study, synthesis method of the SVPWM reference voltage space vectors and sectors positioning method are analyzed, three condition factors which control the sector positions of the reference voltage space vectors are digitized and traditional Look-Up Table (LUT) method to posit the sectors of the reference voltage space vectors is derived. On this basis, digital forms of the three condition factors are combined and analyzed, therefore a new sector positioning method of the SVPWM reference voltage space vectors is proposed. This study proves that the presented method can be used to determine the switch sequences of the inverter directly according to the three condition factors and the traditional LUT method shall be omitted in programming, so it will reduce the code memory space effectively.
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How to cite this article:

Gaoming He, Mei Wang, Jinming Gan and Chaoxiang Liang, 2014. A New Sector Positioning Method of the SVPWM Reference Voltage Space Vector. Information Technology Journal, 13: 927-933.

DOI: 10.3923/itj.2014.927.933

URL: https://scialert.net/abstract/?doi=itj.2014.927.933

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