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The control method of IPMSM (Interior Permanent Magnet Synchronous Motor) can be classified DTC (Direct Torque Control) and FOC (Field Oriented Control). For EV application using IPMSM, the improvement of transient states dynamic and switching loss reduction are also required, as well as stable current quality in steady states. Also, the switching loss of VSI in EV power train is very important issue...
In this paper, design and control method of power conversion system for the 48[V] ISG system is proposed. Proposed ISG system is consist of bi-directional DC/DC converter, bi-directional DC/AC inverter, ISG motor, and 48 [V] and 12[V] batteries. There are three modes of integrated operation including initial start-up and 48[V] and 12[V] battery. Simulation and experimental results are given to verify...
When the vector control is performed using PWM three phase inverter in AC motor drive system, three phase current are obtained by measuring voltage between shunt resistors. The PWM inverter obtaining three phase current by shunt resistor is comparatively cheaper than the method that measures three phase current by Current Sensor. And it reduces the size of AC motor drive system. However, the method...
PMSM (Permanent Magnet Synchronous Motor) is mainly used in electric vehicle because of its high efficiency. Among them, IPMSM (Interior Permanent Magnet Synchronous Motor) has more wide speed range in flux-weakening region than that of SPMSM (Surface Mounted Permanent Magnet Synchronous Motor) because of torque efficiency per unit volume and wide torque out range of IPMSM. Therefore, IPMSM is the...
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