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Design and Implementation of Bi-Directional DC-DC Converter for Wind Energy System

机译：风能系统双向DC-DC转换器的设计与实现

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摘要

This paper proposes a design and implementation of the bi-directional DC-DC converter for Wind Energy Conversion System. The proposed project consists of boost DC/DC converter, bi-directional DC/DC converter (BDC), permanent magnet DC generator and batteries. A DC-DC boost converter is interface with proposed wind system to step up the initial generator voltage and maintain constant output voltage. The fluctuation nature of wind makes them unsuitable for standalone operation. To overcome the drawbacks an energy storage device is used in the proposed system to compensate the fluctuations and to maintain a smooth and continuous power flow in all operating modes to load. Bi-directional DC-DC converter (BDC) is capable of transforming energy between two DC buses. It can operate as a boost converter which supplies energy to the load when the wind generator output power is greater than the required load power. It also operates in buck mode which charges from DC bus when output power is less than the required load power. The proposed converter reduces the component losses and increases the performance of the overall system. The complete system is implemented in MATLAB/SIMULINK and verified with hardware.
机译：本文提出了一种用于风能转换系统的双向DC-DC转换器的设计和实现。拟议项目包括升压DC / DC转换器，双向DC / DC转换器（BDC），永磁直流发电机和电池。 DC-DC升压转换器与拟议的风力系统连接，以提高初始发电机电压并保持恒定的输出电压。风的波动性使它们不适合独立运行。为了克服这些缺点，在所提出的系统中使用了能量存储装置，以补偿波动并在所有运行模式下保持平稳且连续的功率流以加载。双向DC-DC转换器（BDC）能够在两条DC总线之间转换能量。它可以用作升压转换器，当风力发电机的输出功率大于所需的负载功率时，该转换器可为负载提供能量。它还以降压模式工作，当输出功率小于所需的负载功率时，该模式将从DC总线充电。提出的转换器减少了组件损耗，并提高了整个系统的性能。完整的系统在MATLAB / SIMULINK中实现，并经过硬件验证。

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