控制互联变流器以实现混合微电网的自适应运行

IF 4.2 2区工程技术 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Industry Applications Pub Date : 2024-09-04 DOI:10.1109/TIA.2024.3454228

Shalvi Tyagi;Bhim Singh

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引用次数: 0

摘要

这项研究介绍了对互联变流器的控制，以实现混合微电网的自适应运行。混合微电网（HMG）由运河小型水力发电和太阳能电池板组成，并联在交流母线上。在离网情况下，使用基于电池的储能装置（ESU）来平衡直流母线电压，而互联变流器（ILC）则平衡交流母线的频率和电压。此外，还列出了互联变流器的多模式运行。在并网模式下，PCC 的电压受电网控制，因此 ILC 以电流控制模式运行，将分布式能源的电能注入电网。ESU 则为直流母线提供支持。HMG 的目标是在任何运行模式下都能满足交流和直流负载需求。该系统具有电网同步能力。值得一提的是，PVC AC/DC 转换器不仅用于将有功功率从光伏阵列传输到电网，还通过提供无功功率来支持电网。ILC 可满足本地负载的谐波和无功功率需求。这是通过采用基于总最小平方的自适应滤波器来实现的。混合微电网在 MATLAB/Simulink 平台上进行了仿真，以验证运行模式，并与其他自适应滤波器进行了比较分析。最后，该系统在基于 OPAL-RT 的实时模拟器上进行了测试。

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Control of Interlinking Converter for Adaptive Operation of Hybrid Microgrid

This work presents control of interlinking converter for adaptive operation of hybrid microgrid. The hybrid microgrid (HMG) consists of canal based small hydro generation combined with solar panel tied at AC bus. A battery-based energy storage unit (ESU) is used, that balances the DC bus voltage whereas the interlinking converter (ILC) balances the AC bus frequency and voltage in the off-grid scenarios. Besides, multimode operation of interlinking converter is also tabulated. In the grid connected mode, the voltages at the PCC are governed by grid hence ILC operates in the current control mode to inject power from distributed energy sources to the grid. While ESU supports the DC bus. The objective of the HMG is that it meets both AC and DC load demand irrespective of the operating modes. The system possesses grid synchronization capability. It is noteworthy to mention that PVC AC/DC converter is used not only to transfer the active power from PV array to the grid but also supports the grid by providing reactive power. The harmonics and reactive power demand of the local loads are met by the ILC. This is accomplished by employing a total least square based adaptive filter. The hybrid microgrid is simulated on a MATLAB/Simulink platform to validate the modes of operation and a comparative analysis w.r.t to other adaptive filters is presented. Lastly, the system is tested on an OPAL-RT based real time simulator.

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来源期刊

IEEE Transactions on Industry Applications 工程技术-工程：电子与电气

CiteScore

9.90

自引率

9.10%

发文量

747

审稿时长

3.3 months

期刊介绍： The scope of the IEEE Transactions on Industry Applications includes all scope items of the IEEE Industry Applications Society, that is, the advancement of the theory and practice of electrical and electronic engineering in the development, design, manufacture, and application of electrical systems, apparatus, devices, and controls to the processes and equipment of industry and commerce; the promotion of safe, reliable, and economic installations; industry leadership in energy conservation and environmental, health, and safety issues; the creation of voluntary engineering standards and recommended practices; and the professional development of its membership.