iron loss

The latest patents in decreasing iron loss and exciting power, increasing operating induction, and improving ribbon brittleness of Fe-Si-B amorphous alloy used for power distribution transformers in recent years are introduced.

介绍了近几年Fe Si B非晶合金作为配电变压器铁芯材料，在降低铁芯损耗、降低激磁功率、提高工作磁感、改善带材脆性等方面的最新专利信息。

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To consider magnetic conductance change of tooth harmonic caused by relative motion between stator and rotor, the transient field operation is applied to obtain the rotor iron loss, aiming to analyze the slotted core effect on rotor iron loss.

为考虑定、转子间相对运动引起的齿谐波磁导变化，即电机铁心开槽对转子损耗的影响，采用暂态场计算转子铁心涡流损耗。

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Prototype iron loss analysis shows that as the frequency increases, the stator iron loss increases; at low speed region, time harmonic eddy-current loss accounts for the majority part of stator iron loss. Finally, the prototype manufacturing and test is going on.

对样机的铁耗分析表明：随着频率升高，定子铁耗增大；在低速时，时间谐波涡流损耗占定子铁耗的主要部分。最后，进行样机的制造与测试。

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Research and development of low iron loss high magnetic inductivity non& oriented silicon steel series

低铁损高磁感无取向系列电工钢的研制

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Analyses the formation and essence of iron loss on electrical machine, discusses the demagnetization principle of armature reaction of direct current machine, specifies the implication of parallel operation of synchronization generator by quasi-synchronous method, thereby understands relative concepts deeply.

分析了电机中铁心损耗的形成机理及其本质，讨论了直流电机电枢反应的去磁机理，明确了同步发电机准同期并列的含义，从而深刻理解有关基本概念。

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Domain refinement technique is an important method on the iron loss decreasing of grain oriented silicon.

磁畴细化技术是降低取向硅钢铁损重要的方法之一.

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The calculation of iron losses is verified and validated through indirect experiment in which the iron loss and stray-load loss are separated approximatively.

由间接法计算出铁损的实验值，近似地分离了铁损和杂散损耗，实验验证了该铁损计算方法的准确性。

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The principle is independent of inrush and iron loss and has less calculation burden.

该原理避开了励磁涌流和铁损带来的不利影响,计算量小,易于工程实现.

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