与太阳能光伏系统集成的非隔离交错双向DC-DC变换器的运行与控制

2019 IEEE International Conference on Innovations in Communication, Computing and Instrumentation (ICCI) Pub Date : 2019-03-23 DOI:10.1109/ICCI46240.2019.9404483

Kunal Pathak, S. Trivedi, M. H. Ayalani

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引用次数: 3

摘要

为微电网供电的可再生能源在不同的环境条件下具有波动的功率特性。由于可再生能源和连接的负载具有不同的功率性质，因此产生了电压不稳定的情况。根据标准提供标称水平的稳定电压是任何供电网络的主要关注点。本文主要研究带电池存储的非隔离双向交错DC- DC变换器(NIBIC)。NIBIC基于直流母线的电压控制，通过升压转换器和负载连接到具有最大功率点跟踪技术(MPPT)的光伏电源。双向DC-DC变换器的控制电路包括电流回路和电压回路，用于在不同工作模式下对变换器进行操作。本文阐述了系统在变负荷和变辐照度条件下的运行情况。在Simulink (MATLAB)环境下建立了仿真模型，仿真结果表明了控制策略的有效性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Operation and Control of Non-isolated Interleaved Bidirectional DC-DC Converter Integrated with Solar PV system

The renewable energy sources supplying power to the microgrid can have fluctuating power characteristics depending on the environmental conditions. As renewable sources and connected loads have varying power nature, voltage instability conditions arises. To provide a stable voltage at a nominal level as per the standards is the main concern of any power supply network. This paper focuses on Non-isolated Bidirectional Interleaved DC- DC Converter (NIBIC) with battery storage. The NIBIC is controlled based on the voltage of the DC bus, connected to photovoltaic sources with maximum power point tracking technique (MPPT) via boost converter and load. The control circuit of bidirectional DC-DC converter includes current and voltage loop for operating the converter under different operating modes. This paper elaborates the operation of the system in the varying load conditions as well as in the varying irradiance conditions. The simulation model is built in Simulink (MATLAB) environment and the results of the simulation shows the effectiveness of the control strategy.

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来源期刊

2019 IEEE International Conference on Innovations in Communication, Computing and Instrumentation (ICCI)

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