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首页> 外文期刊>Power Electronics, IET >Offline method for determination of non-linear dependence of machine magnetising inductance utilising parallel operation of current and voltage model
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Offline method for determination of non-linear dependence of machine magnetising inductance utilising parallel operation of current and voltage model

机译：利用电流和电压模型的并行操作确定电机励磁电感非线性相关性的离线方法

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摘要

The simplest mathematical models of the induction motor (IM) use the presumption of the machine's linear magnetising characteristics. However, this may hold only in a limited operating range of the electric drive. It is well known that the magnetising inductance saturates as a function of the magnetising current due to the non-linear properties of the magnetic circuit. However, this is not the only type of saturation. Depending on the design of the rotor, the machine's magnetising and leakage inductances may also saturate as a function of the rotor current. A new experimental method is proposed here. It identifies the dependence of the T equivalent circuit magnetising inductance on the rotor flux and torque producing current component using parallel operation of the so-called current and voltage model of the IM.
机译：感应电动机（IM）的最简单数学模型使用了电机线性磁化特性的推定。但是，这可能仅在电驱动器的有限操作范围内有效。众所周知，由于磁路的非线性特性，励磁电感根据励磁电流而饱和。但是，这不是饱和的唯一类型。根据转子的设计，电机的磁化和漏感也可能会随转子电流而饱和。这里提出了一种新的实验方法。它使用IM的所谓电流和电压模型的并行操作，确定T等效电路励磁电感对转子磁通和产生转矩的电流分量的依赖性。

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