MODELLING AND SIMULATION OF LOSSLESS DAMPING REDUCTION BY VECTOR CONTROLLED AC MOTOR DRIVE WITH AN EFFICIENT LC FILTER
Journal Title: International Journal of Science Engineering and Advance Technology - Year 2014, Vol 2, Issue 11
Abstract
In this paper Active damping technique is used to damp out the unwanted resonant frequency oscillations and proposed for lossless damping of vectorcontrolled ac drives with an efficient LC-Filter. This paper mainly concentrated on protection of Induction motor and Synchronous motor under any balanced or unbalanced load conditions and this proposed technique is simulated with the combination of Voltage Source Inverter (VSI), LC Filter and AC Drives. However, the LC-Filter created unwanted oscillations due to internal resistance at system resonant frequency. This resistance drop is emulated by controlling terminal voltage. The proposed technique neither affects the dynamic response of the drive nor changes the design of the standard vector control loops. This proposed technique is carried out in three phase domain for better accuracy of control. This paper has been implemented and simulated by using MATLAB/ SIMULINK 7.8 (R2009a) version.
Authors and Affiliations
A. ANUSHA| P.G. scholar, Dept of EEE QIS Institute of Technology Ongole, Andhra Pradesh, India, O. V. S. SRINIVASA PRASAD| HOD, Associate professor QIS Institute of Technology Ongole, Andhra Pradesh, India
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