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MPPT Design for PV-Powered WPT System with Irregular Pulse Density Modulation

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—Electric vehicles (EVs) are well-known as environmentally friendly systems. Therefore, the demand for EVs is rapidly increasing every day, but for charging batteries of EVs eco-friendly electrical energy sources are needed. To use a clean energy source, this article proposes a wireless power transfer (WPT) system energized by photovoltaic panels. In this study, pulse density modulation technique controlled with incremental conductance algorithm is preferred in the WPT system for both transferring power from primary to secondary windings and for tracking maximum power point (MPP). The proposed ...Daha fazlası

Süresiz Ambargo

Irregular 64 PDM Controlled Wireless Power Transfer for Pecise Power Control

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The power control techniques used in wireless charging systems can be divided into two classes: variable frequency and fixed frequency. In variable frequency power control, the efficiency of the charging system decreases when it is operated outside the zero-phase angle (ZPA). The efficiency of the wireless charging system increases when fixed frequency charging systems are operated even at ZPA frequency and under soft switching conditions. In this paper, an irregular 64-PDM controlled wireless charging system is proposed. The proposed 64-PDM controlled wireless charging system is implemented i ...Daha fazlası

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Design of Hybrid Controller for Automatic Voltage Regulator

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Synchronous generators are still the main machines in the production of electrical energy. Changing the excitation current and the rotation speed easily adjust their output voltage and frequency. Since synchronous generators are operated with the grid, the output voltage and frequency must be fixed. Various control systems are used in Automatic Voltage Regulators for adjusting the voltage. In this study, a hybrid controller structure proposed and it operates in MATLAB / Simulink program. The simulation results of the proposed AVR is compared with PID adjusted by Artificial Bee Colonies algorit ...Daha fazlası

Erişime Açık

Wireless Power Transfer

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Wireless power transfer (WPT) is the process of transferring electrical energy from a power source to a load without an electrical connection. The reason why WPT has become popular today can be listed as the effects that make human life easier, the absence of cable complexity, etc. In the first section basic information are given about WPT, which many researchers are working on today, then a brief history of WPT is provided from past to present. The various types of WPT are briefly described and detailed information about WPT systems with magnetic resonant coupling is presented. Later, basic i ...Daha fazlası

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