Open AccessA Novel Method for Vector Control of Three-Phase Induction Motor under Open-Phase Fault
Author(s) -
Mohammad Jannati,
Seyed Hesam Asgari,
Nik Rumzi Nik Idris,
Mohd Junaidi Abdul Aziz
Publication year - 2015
Publication title -
journal of engineering and technological sciences
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.202
H-Index - 14
eISSN - 2338-5502
pISSN - 2337-5779
DOI - 10.5614/j.eng.technol.sci.2015.47.1.3
Subject(s) - induction motor , control theory (sociology) , vector control , stator , matlab , torque , rotor (electric) , direct torque control , three phase , phase (matter) , fault (geology) , engineering , control engineering , computer science , voltage , control (management) , physics , artificial intelligence , mechanical engineering , electrical engineering , quantum mechanics , seismology , geology , thermodynamics , operating system
The majority of electrical machines such as induction motors can be modeled by an equivalent two-phase machine model (d-q model). A three-phase induction motor with one of the stator phases opened (faulty three-phase induction motor) can be also modeled by an equivalent two-phase machine. If a conventional vector control method for balanced three-phase induction motors is used for this faulty machine, significant oscillations in speed and torque will result. In this paper, a novel technique for vector control of faulty three-phase induction motors based on rotor-field oriented control (RFOC) is presented. The performance of the proposed method was evaluated using MATLAB software. The results show that it achieves significant improvements in the oscillation reduction of the speed and torque responses
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