Anode saturable reactor (ASR) is an important part of the HVDC converter valve. Due to the surge current during the transient processes of thyristors, a sharp increase will occur in core losses and over temperature-rising of the reactor, which may cause premature failure and is difficult to estimate in the design optimization of the reactors. To investigate the single core loss of anode saturable reactor, during such operating conditions, this paper proposes an approach to calculate the core loss from the Jiles-Atherton ( J-A ) dynamic hysteresis model, which can be applied for various operating conditions with good accuracy. Finally, the model is incorporated into the finite element method (FEM) to investigate the core loss distribution of the iron core during the oscillation process at off-state.

中文翻译：

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基于JA理论的阻尼振荡态阳极饱和电抗器铁损计算

阳极饱和电抗器（ASR）是高压直流换流阀的重要组成部分。由于晶闸管瞬态过程中的浪涌电流，会导致铁心损耗急剧增加，电抗器温升过快，可能导致过早失效，在电抗器设计优化中难以估计。为了研究阳极饱和电抗器在这种运行条件下的单芯损耗，本文提出了一种计算 Jiles-Atherton ( JA ) 动态迟滞模型，适用于各种工况，精度高。最后，将该模型结合到有限元法(FEM)中，研究铁芯在断态振荡过程中的铁损分布。