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This paper deals with a compensation technique for non-linear behaviour of single phase modular multi-level power converter, feeding electric vehicle fast charging station with split integrated energy storage system. The proposed method calculates the voltage compensation on the basis of the error between the reference and the real currents. It allows highly improving the harmonic content of the grid...
In this paper, a high performance dynamic control for traction drives fed by fuel cells and supercapacitor is presented. A tandem converter connected to a permanent magnet in-wheel synchronous motor is considered as drive. The adopted control allows to achieve good power responses for the drive without overloading the fuel cell stack.
A fuel cell based traction drive and its control are presented. Dual cascaded voltage source inverter and supercapacitor bank allow to increase performances and efficiency. The proposed control allows to optimize the power flow from the two sources in whatever operating condition. Because the supercapacitor system cannot be normally recharged completely in case of asymmetric duty cycle of the vehicle,...
In this paper the control of dual cascaded voltage source inverter applied to traction drives is presented. It allows to manage the power flows from and to two separate energy storage units: batteries and supercapacitors. A novel control is proposed, which allows to recharge the supercapacitors also during the normal runs of the vehicle, without overloading the batteries and with no additional power...
In last years the multilevel converter topologies have gained much attention both in the field of scientific research and in the one of high power applications. This paper proposes a comparative analysis between the classical structure of Neutral Point Clamped (NPC) converter and the emerging Active NPC converter. In particular, numerical analysis of losses distribution among power devices for some...
A high performance modulation technique for dual cascaded inverter is presented in this paper. It allows to optimize the converter performances in terms of power losses and harmonic content. A numerical analysis and an experimental implementation on a laboratory prototype fully confirm the validity of the proposed modulation technique.
In this paper, a high performance modulation technique for dual inverter with separate dc sources feeding open-end winding induction motors is proposed. It is based on a optimization algorithm, which carries out the suitable modulation pattern for the dual inverter in order to minimize power losses. In this way, it is possible to optimize the performance, especially for high power applications.
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