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Electric vehicle transportation system have gained increasing attention in recent years. Low weight, less volume and high efficiency are the main requirement of electric vehicles. Efficiency analysis of drive of electric vehicles is of major concern to increase its driving range per charge. This paper proposes Interior Permanent Magnet Synchronous Motor (IPMSM) Drive controlled by Field Oriented Control[1]...
Deadbeat-direct torque and flux control (DB-DTFC) has been emerged as a high performance digital control law for induction machines and permanent magnet machines. Its key attributes are excellent dynamic performance, the use of only one single control law over a wide torque/speed range and direct applicability to overmodulation strategies. This paper extends prior research by presenting the implementation...
This paper applies deadbeat-direct torque and flux control (DB-DTFC) to minimize machine and inverter losses in synchronous reluctance drives each single switching period. Flux linkage-based loss models for machine and inverter considering nonlinear effects such as cross-saturation and temperature changes are experimentally evaluated. Loss minimizing capabilities are demonstrated comparing three different...
This report presents an algorithm for reference current calculation to minimize losses in electric vehicles with PMSM. The algorithm calculates the current set points explicitly through analytical expressions depending on the requested torque, the speed of the drive and the available DC voltage. The required machine parameters have been gathered from experimental data.
One of the most important research topics in drive train topologies applied to electric/hybrid vehicles is the efficiency analysis of the power train components, including the global drive efficiency. In this paper, two basic traction electric drive systems of electric/hybrid vehicles are presented and evaluated, with a special focus on the efficiency analysis. The first topology comprises a traditional...
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