Based on analysis of the gap magnetic conductance of multi-annular-shaped PMB,connected with rare earth permanent material.
分析了磁环气隙磁导,结合稀土永磁材料特性、磁通连续原理和线性叠加原理,用虚位移法得到了该永磁轴承径向磁力解析模型。
such a model is based on the analysis of the gap magnetic conductance of bi-barrel-shaped PMB,taking into consideration the principle of magneti.
为了解决径向磁化的双筒永磁轴承轴向磁力数值计算复杂及缺乏计算轴向磁力的工程化解析模型等问题,该文在分析磁筒气隙磁导的基础上,结合磁通连续性原理和稀土永磁材料特性,通过电磁场理论中的虚位移法得到了该型轴承工程化轴向磁力解析数学模型。
In this paper, a nonlinear variable structure magnetic circuit (VSMC) modeling is developed for doubly salient permanent magnet (DSPM) machine and the air gap specific permeance is formulated.
建立了双凸极变速永磁电机的变结构等效磁路模型 ,推导了气隙比磁导计算公式 ,通过求解所建立的非线性等效磁路方程 ,以计算电机的静态特性。
The formula of the leakage permeance in rotor is deduced by analysis for large salient synchronous machine with radial pole, and the calculation of the permeance is introduced by finite element,then the calculation of transient reactance of the machine is explained.
本文首先用解析法推导了向心式磁极凸极同步电机的转子漏磁导的计算公式，然后介绍了这种漏磁导的有限元算法，最后说明了这种结构电机瞬态电抗和瞬态时间常数的计算，并以某电站的抽水蓄能电机为例进行了实算。
A NVEMC modeling is developed for FRM, and the air-gap permeance is formulated.
本文基于变网络等效磁路法分析FRM,建立了FRM的变网络等效磁路模型,推导了气隙磁导计算公式,并用节点磁位法得到FRM的非线性等效磁路方程,通过求解该方程,对电机的绕组磁链、空载感应电动势、电感等静态特性进行了分析计算。
Study on Permittivity and Permeability of Carbon Nanotubes in the Low-frequency Band from 0.5 to 6 GHz;
碳纳米管在0.5~6GHz低频波段的介电常数和磁导率研究
Effect of purification on 2～18GHz complex permittivity and complex permeability of carbon nanotubes;
纯化处理对碳纳米管2～18GHz复介电常数与复磁导率的影响
Fabrication of Fe_xCo_(1-x) metal matrix composites with high permeability;
高磁导率下Fe_xCo_(1-x)金属基复合材料的制备