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In this paper, a three-port bidirectional dc-dc converter is proposed for grid-interactive photovoltaic (PV) system application. The three-phase topology is suitable for residential power requirement. The control of battery and PV are naturally decoupled. In addition, the port interface with PV is current type which can implement maximum power point tracking (MPPT) and soft switching under wide variation...
This work presents an experimental control strategy of stand-alone photovoltaic (PV) system composed of: PV array, DC-DC converters, electrolytic storage and programmable DC electronic load. This control aims to extract maximum power from PV array and manages the power transfer through the DC load, with respect to available storage level. The designed system can supply a DC load at the same time as...
A dual-voltage 42 V/14 V Power-Net system of an ISG HEV is proposed, modeled and simulated in Simulink in this paper in order to analyze the change of the voltage of the dual-voltage power system, SOC of the battery and so on under some transient conditions as the engine starting, the transition from electric to generating mode for ISG motor and the sudden change of electrical loads when acceleration...
In this paper a DC power plant for base transceiver station power supply is investigated. The supply system employs clean alternative energy sources, namely photovoltaic (PV) modules, wind turbines, a fuel cell as backup generator and a storage battery bank. A detailed description is made and experimental data are shown of a prototype system where the PV modules are directly connected to the DC bus...
The energy storage system in electric vehicles (EV) must supply variable power levels and take regenerative power from braking. Ultracapacitors (UC) are more efficient than batteries for variable loads and recharging, but have a much lower energy density; the combination of these into a hybrid source can deliver better performance in an EV. We present several control systems, compare three active...
A harvesting microsystem is a heterogeneous component that is to say with at least one element none strictly electric. Several key points have to be taken into account to achieve a design of this kind of system: software-hardware partitioning, multi-physics simulation, 3D integration. This article introduces a top down methodology from specifications to layout. After a focus on specificities and needs...
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