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Nowadays, point-of-load (POL) converters’ investments are counted as a main part in power management markets; especially the synchronous buck converters. Today's products forces designers to highly integrate POL converters by increasing the switching frequency; so the latest technology has used megahertz range to obtain this target. On the other hand, increasing switching frequency means increasing...
Converter efficiency is vital point in PoE system, as the PSE provided power is limited by IEEE 802.3af/at standard. Besides, the existent power loss through the Ethernet wires and PD interface added another level on the requirement to enhance the solution efficiency. This paper proposes a new topology that meets the IEEE 802.3af/at-compliant powered device (PD) solution for Power over Ethernet (PoE)...
Recently, great attention has been addressed for multilevel inverters, as they exhibit low total harmonic distortion (THD) in the output voltage and low electromagnetic interference (EMI). This paper proposes a single-phase five-level pulse width modulation (PWM) inverter for grid connection. The proposed PWM technique has some switches operated at fundamental line frequency and the others operate...
This paper presents the design of an on-chip integrated power management architecture with Maximum Power Point Tracking (MPPT) for Photovoltaic (PV) solar system. The system is developed in order to extract higher power for PV system under partial shading and other mismatching conditions. The MPPT circuit is implemented in 0.35μm Complementary Metal-Oxide-Semiconductor (CMOS) technology. The on-chip...
This paper presents the implementation of a Maximum Power Point Tracker (MPPT) for photovoltaic (PV) applications by using multilevel boost converter and FPGA Board. The control algorithm for extracting maximum power from the cell is proposed by means of the VHDL code and implemented using Xilinx XC3S400 FPGA Board. In this work, a practical implementation of the real-time Estimate Perturb and Absorb...
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