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- Title
Squirrel cage induction motor scalar control constant V/F analysis.
- Authors
Annuar, K. A. M.; Sapiee, M. R. M.; Nor, Rozilawati M.; Azali, M. S. M.; Shah, M.B.N.; Rozali, Sahazati Md.
- Abstract
In constant V/f control technique it is assume that the stator resistance and leakage inductance drops are negligible, especially at high speed and small load. In other words, the back emf is comparatively large at high speed and hence these voltage drops can be neglected. By maintaining constant V/f, constant Eg/f and hence constant air-gap flux is assumed. This assumption is however invalid at low speeds since a significant voltage drop appears across the stator impedance. The terminal voltage, V no longer approximates ag. By using MATLAB Simulink, the open-loop constant V/f is simulated. It is shown that the performance of the drive deteriorates at low speeds. The improvement in the performance by applying voltage boost is shown and discussed.
- Subjects
SQUIRREL cage motors; ELECTRIC potential; AIR gap flux; INDUCTION motors
- Publication
Telkomnika, 2019, Vol 17, Issue 1, p417
- ISSN
1693-6930
- Publication type
Article
- DOI
10.12928/TELKOMNIKA.v17i1.8818