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Determination of the Magnetic Characteristics (B–H) of Material Used in a Laboratory-Rated Salient Pole Synchronous Machine Using a Novel Ampere Turns Distribution Technique

机译:使用新型安培匝数分布技术确定实验室额定凸极同步电机中使用的材料的磁特性(B–H)

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摘要

This paper presents a simple method to determine the approximate flux density–magnetic field intensity ( B–H) characteristics of a material used in a laboratory-sized salient pole synchronous machine (SPSM). The objective is achieved by distributing the magnetic field intensity H in the different parts of an SPSM using finite-element (FE) simulations and theoretical calculations based on the open circuit characteristics of an actual SPSM. This method requires only an initial estimate of the B –H characteristics of core material. The advantage of the method proposed is it can be used to estimate the magnetic properties of material that might have changed with long usage and aging. Theoretical calculations complimented with FE simulation and comprehensive experimental results prove the effectiveness of this new method.
机译:本文提出了一种简单的方法来确定在实验室规模的凸极同步电机(SPSM)中使用的材料的近似通量密度-磁场强度(B-H)特性。通过使用有限元(FE)模拟和基于实际SPSM的开路特性的理论计算在SPSM的不同部分中分布磁场强度H来实现此目的。此方法仅需要对芯材的B–H特性进行初步估计。所提出的方法的优点在于,它可以用于估计可能因长时间使用和老化而改变的材料的磁性能。理论计算与有限元仿真相辅相成,综合实验结果证明了该方法的有效性。

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