将变频驱动作为复杂负荷的一部分进行网格不平衡模态计算

2017 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM) Pub Date : 2017-05-01 DOI:10.1109/ICIEAM.2017.8076258

E. Panova, V. Khramshin

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引用次数: 1

摘要

变频驱动在工业企业中应用广泛，是电力负荷的重要组成部分。本研究的目的是确定电压不平衡与变频驱动功率之间的关系。阐述了带环变换器的驱动器和带直流链路的变频器(独立的电流和电压逆变器)的数学模型。利用数学模型可以计算电网不平衡模式对负荷冲击的响应。这种解决方案提高了计算精度。

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Modelling variable frequency drives as part of complex load for grid unbalanced mode computation

Variable frequency drives are widely used in industrial enterprises and are therefore an influential part of electric load. The aim of this study was to define a relation between voltage unbalance and variable frequency drive power. The mathematical models of drives with a cycloconverter and the frequency converter with a DC link (independent current and voltage inverter) were elaborated. Mathematical models enable computations of unbalanced modes of power grid with response to electric load impact. This solution increases computation accuracy.

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来源期刊

2017 International Conference on Industrial Engineering, Applications and Manufacturing (ICIEAM)

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