查询词典 eddy

For NdFeB material,a formula is proposed to calculate eddy current loss density distribution in the permanent magnet of PMSM.

永磁同步电机是由永磁体建立磁场的同步电机，电机结构较为简单，降低了加工和装配费用[1]。

The optimum working conditions and power of eddy current loss are deduced by analyzing the equivalent circuit of the transmission channel,and the problem of leakage compensation is also discussed.

通过对传输通道等效电路分析，推导出系统最佳工作条件和涡流损耗功率，并探讨了漏感补偿问题。

Exciting transformer ; Harmonic analysis ; Eddy current loss ; Truncation error ; Computer analysis

励磁变压器；谐波分析；涡流损耗；截断误差；计算机分析

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。

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。

Power transformer ; eddy current ; local overheat ; loss

电力变压器；涡流；局部过热；损耗

Fig.6 Percentage of the eddy current loss vs. frequency

磁密增大时涡流损耗在总损耗中所占的比率也是在增大。

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。

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。

The witness also told the jury at the Royal Courts of Justice in London that he saw a paparazzo fighting with a member of the public who was trying to stop him taking pictures in the minutes before the emergency services arrived.

他还告诉在伦敦皇家法庭的陪审团，在急救服务到来之前，他当时看见一个狗仔队正和一群阻止他拍照的人打架。

The entire N／C program on a tape is made up of an accumulation of these successive data blocks.

纸带上的整个数控程序由这些连续数据单元连接而成。