查询词典 eddy current loss

For the problem of rotor eddy current loss,a harmonic impedance device was used to reduce eddy current loss,which is an effective way to reduce the temperature.

针对转子涡流损耗的问题，采用了一种加感抗器减小谐波涡流损耗从而降低温度的有效方法。

The results showed that SiO2 induces the abnormal grain growth and increases the eddy current loss,also increases power loss.

结果显示晶粒随SiO2含量增加而变大，而且有局部的晶粒成长，晶粒变大进一步会影响晶界电阻，使的涡流损失增加，导致功率损失也跟著变大。

Also, the motor's heat loss conditions include the copper loss, eddy current loss and hysteresis loss had been discussed.

文中并对线性马达运行时产生的热损耗条件包含铜损耗和涡流与迟滞产生的铁损耗做计算探讨。

Different stator structures have an impact on the rotor eddy current loss and the rotor loss can be reduced by proper motor design.

定子结构对高速电机转子涡流损耗影响很大，合理地设计定子结构能够减小转子涡流损耗。

The change and the distribution of magnetic field in magnetic core are described with system state equations of magnetic switch and Jiles-Atherton model so that whole operation of magnetic switch and its application circuit can be obtained, meanwhile total loss, eddy current loss and magnetic hysteresis loss of magnetic switch can be calculated.

利用磁开关的系统状态方程和Jiles-Atherton磁滞回线模型描述磁芯中磁场的变化和分布，从而得到磁开关及其应用电路的整体工作特性，同时计算出磁开关的总损耗、涡流损耗和磁滞损耗。

Therefore except for the hysteretic losses, it is necessary to consider the eddy current loss and coupling loss in application of HTS tapes at temperature regions near 4. 2K and 30K.

因此，在4.2K和30K温区高温超导带材的应用中除了磁滞损耗外，必须考虑涡流损耗和耦合损耗的影响。

Based on the Jiles-Atherton model, the dynamic hysteresis loss model of the transformer core considering the classic eddy current loss and abnormal loss is developed, which is suitable for all the reasonable coefficient of reversible magnetization and adopting the flux density as entry variable.

该文在Jiles-Atherton基本磁滞模型的基础上，从能量平衡原理出发，考虑铁心在交流状态下的涡流损耗和异常损耗，建立了合理可逆磁化系数条件下，以磁通密度作为输入量的铁心动态磁滞损耗模型。

This is the sum of the hysteresis loss factor, eddy current loss factor and residual loss factor.

式中 tan 〥 h 为磁滞损耗因数， tan 〥 e 为涡流损耗因数， tan 〥 r 为剩余损耗因数

Based on the developed iron loss of surface-mounted permanent magnet machine of Slemon and Xian Liu, the expressions of the peak and the time rate change of flux density in the teeth and the yoke are derived, considering the beveling edges of the PM. According to the basic concept of the eddy current loss, the analytic calculations of the average eddy current loss density in the teeth and the yoke are presented respectively. Hence, a calculation method for the iron losses of PM with beveling edges is presented.

在Slemon和Xian Liu表面置磁型永磁电机改进铁耗算法的基础上，分别推导了考虑磁体边缘斜角时定子齿与轭的磁通密度的幅值及其时间变化率的表达式，结合涡流损耗的基本概念，分别提出了永磁电机定子齿与轭的平均涡流损耗密度的解析计算方法，由此建立了永磁电机铁耗的解析模型。

High strength: Aluminum-magnesium-silicon alloy wire possesses high strength, its min value of tensile strength is 170% of the value of general hard and round aluminum wire(H8), is a fine armored material;②Low loss:as a non-magnetism material, no eddy current loss will happened on aluminum-magnesium-silicon alloy wire; when under 20℃, itsunit resistance corresponding to 52.3~53.0%IACS (international annealed copper wire standard), so that, the heat loss caused by induced current is very low;③Light weight: the density of aluminum-magnesium-silicon is only 2.7g/cm3 it largely reduced the total weight of armored cable.

该电缆突出的优点是：①高强度：铝-镁-硅合金丝具有较高的强度，其抗拉强度的最小值都是普通硬圆铝线（H8）抗拉强度的170%，是一种较好的铠装材料；②损耗小：铝-镁-硅合金丝为非磁性材料，不存在涡流损耗；其在20℃时的电阻率相52.5~53.0%IACS，因此由感应电流产生的热损耗很小；③重量轻：铝-镁-硅合金丝的密度仅为2.7g/cm3，明显降低了铠装电缆的整体重量。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。