Analytical investigation of torque and flux ripple in DTC schemes for induction motors
作者： D. Casadei , G. Serra , A. Tani
DOI: 10.1109/IECON.1997.671793
关键词: Induction motor 、 Control theory 、 Vector control 、 Engineering 、 Torque ripple 、 Torque 、 Direct torque control 、 AC motor 、 Flux 、 Machine control
摘要: AC motor drives based on the direct torque control (DTC) of induction machines allow high dynamic performance to be obtained with very simple schemes. The drive behaviour, in terms flux and response, is dependent voltage vector selection strategy utilised operating conditions. In this paper, a detailed discussion DTC basic principles carried out order determine analytically relationships between applied corresponding variations. analysis allows ripple easily determined. It has been observed that effects produced by are strongly both rotor speed direction relative flux. Some significant diagrams presented showing theoretical results obtained. can useful defining new criteria optimising behaviour minimal ripple.
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