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Field oriented control of permanent magnet synchrounous motors using three-level neutral-point-clamped inverter
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Date
2012
Author
Meşe, Hüseyin
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In this thesis, field oriented control of permanent magnet synchronous motors using three-level neutral-point-clamped inverter is studied. Permanent magnet synchronous motors are used in high performance drive applications. In this study, the permanent magnet synchronous motor is fed by three-level neutral-point-clamped inverter. For three-level neutral-point-clamped inverter different space vector modulation algorithms, which are reported in literature, are analyzed and compared via computer simulations. The voltage balance on dc-link capacitors is also analyzed and a software control method is implemented in conjunction with the space vector PWM modulation, utilized. Nonlinear effects such as dead-time, semiconductor voltage drop and delays in gate drive circuitries also present in neutral-point-clamped inverter. The effects of these nonlinearities are studied and a compensation method for these nonlinear effects is proposed. The theoretical results are supported with computer simulations and verified with experimental results.
Subject Keywords
Electric inverters.
,
Magnetic devices.
,
Electric motors.
,
Motors.
URI
http://etd.lib.metu.edu.tr/upload/12614407/index.pdf
https://hdl.handle.net/11511/21618
Collections
Graduate School of Natural and Applied Sciences, Thesis
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H. Meşe, “Field oriented control of permanent magnet synchrounous motors using three-level neutral-point-clamped inverter,” M.S. - Master of Science, Middle East Technical University, 2012.
