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|Title:||Direct method of overmodulation with integrated closed loop stator flux vector control|
|Keywords:||Flux vector control|
Space vector modulation
|Source:||Tripathi, A.,Khambadkone, A.M.,Panda, S.K. (2005-09). Direct method of overmodulation with integrated closed loop stator flux vector control. IEEE Transactions on Power Electronics 20 (5) : 1161-1168. ScholarBank@NUS Repository. https://doi.org/10.1109/TPEL.2005.854049|
|Abstract:||Overmodulation achieves full utilization of installed dc link voltage, by modifying the magnitude and the phase of reference voltage vector. Due to the nonlinear behavior in this region, closed loop vector control becomes difficult. A simple method of overmodulation with closed loop control of stator flux vector is proposed in this paper. Instead of modifying the voltage reference by nonlinear equations or look up table, we propose a direct method to generate the switching times. In so doing, the average angular velocity of the stator flux vector is controlled linearly throughout the modulation range. The proposed method shows lower harmonic distortion compared with existing methods. It greatly reduces the complexity and cost of achieving overmodulation over existing schemes. © 2005 IEEE.|
|Source Title:||IEEE Transactions on Power Electronics|
|Appears in Collections:||Staff Publications|
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