Ambient Signals based Load Modeling with Two Three-phase Induction Motors

Journal of Physics: Conference Series Pub Date : 2024-07-01 DOI:10.1088/1742-6596/2774/1/012076

Shenghua Han, Xinran Zhang, Wanjun Huang, Zihan Ling, Xiaobo Ling, Zheng Ye

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Abstract

The traditional electric power system simulation and calculation are based on the simple load model including one motor and one static load. On the one hand, the power system load is getting more and more complex. On the other hand, it’s proved that two kinds of three-phase induction motors will show a little difference. As a result, in this paper, a new model load with two three-phase induction motors is proposed. Besides, the dynamic of the power system load is taken into account. The torque of those two three-phase motors will show different characteristics, that one is constant and the other is variable. Formerly, the dynamic of the load is regarded as the result of an induction motor. However, the single-phase motor and electronic load both lead to the complexity of the load. To get a more accurate calculation, we need a more proper load model. One of the ways to improve the load model is to pay more attention to the ingredients ignored. The single-phase motor and power electronic load make a great difference. Besides, it’s proved that the composited load model with two three-phase motors will be better in the calculation.

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基于环境信号的两台三相感应电机负载建模

传统的电力系统仿真和计算基于简单的负载模型，包括一个电机和一个静态负载。一方面，电力系统负载越来越复杂。另一方面，事实证明，两种三相异步电动机会有些许差异。因此，本文提出了一种带有两台三相异步电机的新负载模型。此外，本文还考虑了电力系统负载的动态因素。这两台三相异步电机的转矩将表现出不同的特性，即一个是恒定的，另一个是可变的。以前，负载的动态被认为是感应电机的结果。然而，单相电机和电子负载都会导致负载的复杂性。为了获得更精确的计算，我们需要一个更合适的负载模型。改进负载模型的方法之一就是更加重视被忽略的成分。单相电机和电力电子负载就有很大不同。此外，事实证明，两台三相电机的复合负载模型在计算中会更好。

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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Journal of Physics: Conference Series

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