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Batteries are widely used in quite a few areas, including in the electric auto industry. As the voltage of the batteries are ever-changing, which drops from a high value to a low value, kinds of regulators are utilized to keep the output voltage changing in an acceptable scope. However, the stress on switches produced by the currents in the circuits is much stronger than the capabilities of the switches,...
In this paper, a detail implementation of direct torque control scheme (DTC) for DSP based 12-phase synchronous propulsion motor drive is described. TMS320LF2407A and TMS320C33 are used to construct the dual-DSP drive board which allows sophisticated control algorithm adopted by the proposed control scheme. By this means, we control the torque and flux linkage with composed voltage vectors and select...
This paper presents the analysis, simulation, and modeling of direct torque-controlled three-level inverter-fed multi-phase synchronous motor. Based on the mathematic model, a improved direct torque control scheme is proposed for three-level inverter-fed 12-phase synchronous motor. In the proposed scheme, we can control the torque and flux linkage with composed space vectors in each control period,...
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