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The aim of this paper is to study the influence of the drive train topology on the temperature of the different components in permanent magnet synchronous motor (PMSM) drives applied to electric/hybrid vehicles. The temperature is a critical parameter because it is directly related to the lifetime and reliability of a device. This is particular important for PMSMs since it also influences the magnetic...
A standalone power system is not only a mix of different generator types and backup equipment. It requires high efficiency, individual equipment control that takes advantage of its maximum performance and a robust energy management strategy. This paper presents a standalone power system including a photovoltaic array as the main generator and various backup equipments (batteries, supercapacitors and...
Stand-alone power systems are a challenging option to supply remote equipments in many applications. They include renewable energy generators whose intermittent power supply requires an appropriate energy storage component to balance the power mismatch between the generation and the demand. Batteries are the obvious choice for this purpose. However, the irregular fluctuations and hard transients would...
Long distance European trains are usually powered by a single-phase AC line of 25 kV at 50 Hz. Traditionally a traction drive mainly consists of a single-phase AC/DC converter, a DC-link bus and a three-phase DC/AC PWM converter. In the past, the DC-link bus was obtained through diode rectifiers, which generate line currents with high harmonic distortion and low power factor. In order to reduce these...
This paper presents an analysis of two different control strategies applied to a bidirectional dc-dc boost converter in a permanent magnet synchronous motor drive for hybrid electric vehicles. A constant rated voltage-fed inverter and a variable voltage control strategy that takes into account the motor mechanical speed to adjust the dc-dc converter output voltage are considered. Moreover, single...
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