查询词典 eddy current loss

Expressions are developed for the eddy current loss as a function of speed.

文章推导了频域涡流场和涡流电流密度公式，计算了磁阻力矩损耗功率和涡流损耗功率。

In chapter 5, the dynamic vertical end effect of linear motor is analyzed, which causes eddy current loss and air gap flux decrease.

第五章针对直线电机特有的边缘效应，分析了动态纵向边缘效应的影响，它产生端部涡流损耗，减小气隙磁场。

Calculations and experiments are carried out on both magnetic flux density and eddy current loss of the non-magnetic steel plate and of the coil in this model.

对该模型低磁钢板及线圈的磁通密度和涡流损耗进行了试验与计算分析，得到了一些有价值的试验和分析结果，为磁场计算和三维涡流损耗分析方法提供了验证手段。

The magnetic field of motor and the eddy current loss in PM are both solved based on FEM for three-dimensional electric magnetic field.

通常在永磁同步电机中都认为转子损耗是可以忽略不计的，主要是因为转子是同步于定子磁动势旋转的。

The magnetic drag moment and eddy current loss are investigated.

永磁磁浮轴承的损耗主要包括磁阻力矩损耗和涡流损耗。

Malleable cast ironware produces hysteresis and eddy current loss under alternating current in transmission!line.

针对输电线路上可锻铸铁金具在交变电流的作用下产生磁滞和涡流损耗。

The design started from the expression of the current producing the pulsed magnetic field, and was based on the following principles: low eddy current loss, small capacitive energy storage and large quality factor. The optimization method of the storage capacitor and charging voltage of the field producing system was presented.

从产生脉冲磁场的电流表达式出发，根据涡流损耗不能太大、品质因数要高和电容储能要小的原则，给出了脉冲磁场产生系统的储能电容和充电电压的优化设计方法。

Analytical results indicate that AC magnetic field should be below the penetration magnetic field of superconducting tape and frequency of magnetic field should be low (200Hz)enough in order to reduce the influence of eddy current loss in metal matrix and coupling loss among superconducting filaments and the matrix.

在测量过程中交变磁场必须低于带材穿透磁场；磁场需要保持在低频（200Hz以下）以减少基材的涡流损耗和超导芯间的耦合损耗对测量损耗电压的影响。

However,the analysis and design of parallel windings are more complicated.Parallel windings including litz wire,litz PCB,twisted and common parallel PCB are evaluated,then respective eddy current loss analytical models were built and systematical algorithm were also proposed for the loss models programming.

与采用单根导体的线圈比较，并联线圈不论损耗模型还是设计技术都有很大的不同，其线圈涡流损耗频率特性影响因素多[1-3]，很复杂，特别是对应用于平面变压器的并联PCB线圈，很难根据对高频涡流效应的直观理解和已有的高频功率变压器线圈损耗模型对其进行设计分析。

Winding narrow single wire cross section, a few more wires parallel using composite wires, the eddy current loss and reduce the total loss, and enhance the ability to short-circuit resistance, good thermal stability of moving.

绕组缩小单根导线截面，增加导线并联更数，采用复合导线，经降低涡流损耗和总损耗，并增强抗短路能力，动热稳定性好。

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。