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Last Updated: 10 September 2022

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Design and Analysis of a New Coupled Inductor-Based Interleaved High Step-Up DC-DC Converter for Renewable Energy Applications

Based on the coupled inductor and voltage multiplier cell designs, a novel nonisolated interleaved high step-up DC-DC converter is suggested in this paper. The proposed converter is ideal for renewable energy conversions such as photovoltaic and fuel cell power generation systems because of its low input current ripple and high power quality. Using a low power switchu2019s duty cycle, the coupled inductors' windings are combined with VMCs to raise the output voltage. This combination also results in the creation of a variable voltage increase that can be adjusted by coupled inductors' turn ratio and duty cycles. The voltage peaks over semiconductors are much lower than the output voltage, owing to the lower voltage. Generally speaking, the recommended structure's key benefits include: high voltage rise, low voltage, current strain on power switches, low input current ripple, low input current ripple, low input current ripple, high yield, common ground between the input and output ports, and a small number of parts.

Source link: https://doi.org/10.1155/2022/7618242


A Novel High-Efficiency Multiple Output Single Input Step-Up Converter with Integration of Luo Network for Electric Vehicle Applications

A number of difficulties and cures for EV conversion have resulted in a variety of challenges and solutions in the field of EV technology. One of them is the use of DC-DC converters to convert the voltage from the battery in an EV to other desired voltage standards. On the other hand, single input multiple output converters can be used to save money, minimize switching loss, and thus improve the system's effectiveness. Multiple outputs are suggested in this paper, including a nonisolated step-up converter with the integration of the Luo network. paraphrasedoutput converters The experimental results of a 36 V, 600 mA, 24 W prototype demonstrate the theoretic investigation and show the advantages of the new converter over other multioutput converters. The STM microcontroller, which is based on an ARM cortex microprocessor, is linked to the Luo network for making pulses. At full power, the new converter converts at 94. 2%.

Source link: https://doi.org/10.1155/2022/2880240


Analysis and Verification of a Half-Dual Bridge Resonant Converter with Voltage Match Modulation

For wide voltage range applications, a half-dual bridge resonant converter with voltage match modulation is suggested and built to overcome the limitations of the narrow conversion gain of a dual bridge resonant converter. Due to the synergy of the H-DBRC's VMM project and VMM's VMM project, the converter will continue to work in full-bridge state and half-bridge state with maximized ZVS operations and minimized circul current. When the voltage gain M is between 0. 5 to 1. 1, since the converter consistently achieves voltage-matching operation, the ideal ZVS range can be obtained. Since the converter consistently achieves voltage-matching operation, the optimal ZVS range can be obtained when the voltage gain M is between 0. 5 to 1.

Source link: https://doi.org/10.3390/electronics11172675


Design and Simulation of Closed Loop Proportional Integral (PI) Controlled Boost Converter and 3-phase Inverter for Photovoltaic (PV) Applications

This paper explores the construction and simulation of a solar power system consisting of a KC200GT solar panel, a closed loop boost converter, and a three phase inverter using Matlab / Simulink. The solar panel layout's mathematical equations are given. The Pro Proportional Integral controller can be linked as feedback with the Boost converter in order to get a steady output voltage by reducing the oscillations in the voltage to charge a battery connected to the converter's output. Two methods are used for tuning PI controller to raise the overall performance of the device.

Source link: https://doi.org/10.22153/kej.2019.06.001


Design and implementation of zeta converter for LED driver applications

Abstract of this research The aim of this report is to investigate the development and operation of low power, stand-alone led driver applications. The MPPT controller, which maintains the dc bus voltage constant, controls a converter's duty cycle. The intention of this converter is found in both Matlab/Simulink and its results are tested on a hardware prototype of 25 W. Although PV module quality is poor and power output is dependent on solar irradiation and ambient temperature, increasing power output while increasing effectiveness is of utmost importance.

Source link: https://doi.org/10.1088/1742-6596/2325/1/012037


Optimization of a Numerical Wave Tank and Its Application to a Wave Energy Converter Platform Response Test

Abstract The application of a wave energy converter-bearing platform was tested using a full-featured wave tank. One validation case was conducted to verify the authenticity of the wave tank and the box-shape structure that had awed by regular waves, which provided excellent consistency through experimental results. In the wave tank, a detailed-shaped, new design, wave energy converter was evaluated. A series of regular wave experiments was carried out to determine the frequency domain response of the wave energy converter platform and to replicate the vortex shedding at the plate's edges.

Source link: https://doi.org/10.4031/mtsj.56.4.10


PARAMETRIC STUDY ON WAVE OVERTOPPING DUE TO WEDGE ANGLE AND FREEBOARD OF WAVECAT WAVE ENERGY CONVERTER

Wave energy is also a strong force in several coastal areas. However, details regarding the effect that wedge angle and freeboard have on wave overtop are limited. Hence, this research seeks to extend existing knowledge by investigating the effect that two variables have on wave overtop discharge by simulation using computational fluid dynamics. The relationship between wedge angle, freeboard, and wave overtopping results of WaveCat was investigated by the parameters, as well as the correlation between wave height and wave period with a set range.

Source link: https://doi.org/10.46754/umtjur.v4i2.273

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions