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首页> 外文期刊>IEEE Transactions on Industrial Electronics >An Efficient Hierarchical Zonal Method for Large-Scale Circuit Simulation and Its Real-Time Application on More Electric Aircraft Microgrid
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An Efficient Hierarchical Zonal Method for Large-Scale Circuit Simulation and Its Real-Time Application on More Electric Aircraft Microgrid

机译：大规模电路仿真的高效分层分区方法及其在更多飞机微电网上的实时应用

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摘要

Large-scale circuit simulation poses a challenge to most simulation tools because of its high computational complexity. This paper presents an efficient method, which decouples the circuit topology and components' characteristics in computation so as to make it suitable for large-scale circuit simulation. The proposed method is based on a circuit lemma, which indicates the relationship of branch voltages and currents. The proving process of this lemma is provided in this paper. The working principle of the proposed method is elaborated and its numerical stability is also analyzed. This method achieves nearly linear computational complexity and is very suitable for hierarchical and zonal computation. The proposed method is verified by real-time application on the more electric aircraft microgrid. Hardware-in-the-loop testing of this study case on Xilinx Virtex Ultrascale+ field programmable gate array (FPGA) board is achieved and the results are compared with PSCAD/EMTDC. The resulting waveforms from these two simulation tools show very good agreement on both normal and fault operation test scenarios, which demonstrates that the proposed method has very good performance on computational accuracy and efficiency.
机译：大规模电路仿真因其高计算复杂性而对大多数仿真工具构成了挑战。本文提出了一种有效的方法，该方法在计算中将电路拓扑和组件的特性分离开来，从而使其适合于大规模电路仿真。所提出的方法基于电路引理，该引理表明支路电压和电流之间的关系。本文提供了该引理的证明过程。阐述了该方法的工作原理，并对其数值稳定性进行了分析。该方法实现了近乎线性的计算复杂度，非常适合分层和分区计算。通过在更多电动飞机微电网上的实时应用验证了该方法。在Xilinx Virtex Ultrascale +现场可编程门阵列（FPGA）板上完成了该研究案例的硬件在环测试，并将结果与​​PSCAD / EMTDC进行了比较。从这两种仿真工具得到的波形在正常和故障操作测试场景中都显示出很好的一致性，这表明该方法在计算精度和效率上都具有非常好的性能。

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