The magnetic network model of hybrid step motor is established according to the air gap late permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电势的表达式。
The paper puts forward a hybrid magnetic circuit multi couple electric machine that compensates for the uneven air gap magnetic field of the hybrid stepping motor.
提出了一种混合磁路多边耦合电机,对混合式步进电机永磁体产生的气隙磁场沿轴向分布不均匀的问题进行了补偿。
It can effectively compute and analysis the problem in magnetic field, it also visualized the magnetic field of the air gap , so that we can intuitionally resole the issue.
它能有效地解决复杂模型内磁场的分析与计算,对气隙磁场进行可视化研究,使问题更加直观地得到解决。
Its shielded box should be used the main air gap and prevent the primary current to produce the magnetic field concentrating in the shield shell metal plate.
其屏蔽盒应用主气隙,防止原电流产生的磁场集中在屏蔽壳的金属板内。
The air gap control with the mass change of magnetic suspension nonlinear system and the large scope variety of air gap is considered.
考虑磁悬浮非线性系统在质量变化和空气间隙大范围变化情况下的空气间隙控制问题。
And besides, under a large power angle condition, the magnetic field distortion will enlarge air-gap part of the main magnetic path and influence the value of the air-gap voltage ES.
而在功角较大状态下发生的磁场畸变则增长了主磁路经过气隙的部分,同样会影响合成电流产生气隙电势的大小。
The Fourier analysis method is applied to decompose the air-gap magnetic density into the basic wave and a series of harmonic and wave shape eigen coefficient of air-gap magnetic field are calculated.
采用付立叶谐波分析的方法把气隙磁密分解为空间基波和一系列谐波,进而计算出气隙磁场波形特征系数。
Calculating results with and without the consideration of insulation is compared and the effect of insulation to the air gap magnetic field and rotor temperature field is analyzed.
在场的计算中,讨论了定子股线绝缘和转子匝间绝缘对电磁场及温度场的影响。
In this paper, the magnetic network model of hybrid step motor is established according to the air gap rate permeance method, and the expression of the harmonic back EMF is deduced.
利用气隙比磁导法建立了混合式步进电动机的磁网络模型,推导出谐波反电动势的表达式。
The LIM has the second longitudinal end effect caused by eddy currents in secondary plate in its operation, which reduces its available magnetic flux of air gap and pull coefficient.
单边直线感应电机运行中因次级板产生涡流而存在第二类纵向边缘效应,造成气隙有效磁通和牵引力系数降低。
Further along, the influence of harmonic wave of magnetic conductivity of air gap and saturation of motor on wave pattern of wind electric current of micro-step driving was analyzed.
进而分析了气隙磁导谐波及电机饱和对微步驱动电流波形的影响。
Like synchronous motor, rotor magnetic pole center line could lagged behind an Angle of that of air-gap magnetic field under the function of load torque (called angular displacement).
步进电动机象同步电动机一样,在负载转矩的作用下,转子磁极中心线将滞后于气隙磁场的中心线一个角度,称为失调角。
Pole pieces, key parts on electrical motor, reduce the reluctance of the air-gap; improve the static magnetic field distributions and fix the excitation windings.
极靴是电机上的关键零件,其作用是使气隙磁阻减小,改善磁场分布,并使励磁绕组容易固定。
A novel technology about harmonic restraining transformer based on resonance -circuit and magnetic air-gap shunt (RMsT) is presented.
提出了一种基于带气隙磁分路和谐振电路抗谐波干扰变压器的技术。
Therefore, the magnetic pole has to be renovated, so as to improve the slot conjugation, enlarge the air gap of generator set, extend the section area of the damper bar.
因而拟对其进行磁极改造,以改善发电机定转子之间的槽配合,增大电机气隙、增加阻尼棒截面积。
The vertical electric magnetic force between LIM and reaction plate which dynamically varied with the air gap is simplified as special linear spring.
直线电机和反力板间的垂向电磁作用力随气隙值动态变化,将其简化为特殊的线性弹簧。
The calibrated system's precision reaches 0.5% and this system is used to measure the air-gap magnetic field of a high speed magnetic levitation vehicle.
标定后的系统达到了0.5%的精度,并利用这一系统对高速磁悬浮列车的气隙磁场进行了测量。
The adoption of hybrid magnetic circuit structure in permanent magnet motors can effectively increase air gap flux density.
永磁电机中采用混合式磁路结构能有效地提高气隙磁通密度。
The influence on the maximum transmittable torque from the number of magnetic poles, air gap, permanent materials, operating temperature, demagnetization and magnetic masking is studied.
探讨了磁极数、气隙、永磁材料、工作温度、退磁和屏蔽罩对永磁齿轮传递最大转矩的影响。
Through analyzing the air-gap magnetic field, stray loss on the surface of rotor can be worked out and moreover temperature field distribution in rotor can be obtained.
通过对气隙磁场的分析可以计算出转子表面损耗,进而计算出转子的温度场分布。
Calculation and experiment show that the view of equivalent magnetic network model analysis the air gap magnetic of motors, result directly and apply convenient, it's worth extending.
计算和实验表明,基于等效磁网络模型对电机气隙磁场进行分析,结果直观,应用方便,是一种值得推广的分析方法。
To keep leakage flux to be constant, the relation is analyzed between the air gap length and the non-magnetic material thickness with the rare earth magnet thickness under the air gap length variety.
在气隙长度发生变化时,为了保证漏磁大小不变,讨论了气隙与非导磁衬套厚度、磁钢厚度的关系。
A approximately sine waveform air-gap magnetic field density can be gained based on the analysis of the whole electromagnetic field. The results are helpful to optimization design and control.
通过分析得到整个电机电磁场的分布及波形近似为正弦的气隙磁感应强度,分析结果有助于对电机进行优化设计和控制。
The stator cogging effect is usually ignored when we calculate generator magnetic field by air gap permeance method, which lead to the generator fault information missing.
采用气隙磁导法计算发电机磁场时通常忽略定子齿槽效应,漏掉了发电机的故障信息。
The stator cogging effect is usually ignored when we calculate generator magnetic field by air gap permeance method, which lead to the generator fault information missing.
采用气隙磁导法计算发电机磁场时通常忽略定子齿槽效应,漏掉了发电机的故障信息。
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