Interaction of PM field
and stator slotting| Interaction of PM field |
| :--- |
| and stator slotting |
(v_(1)+-v_(2))p+-(mu_(1)+-mu_(2))Q_(s)\left(v_{1} \pm v_{2}\right) p \pm\left(\mu_{1} \pm \mu_{2}\right) Q_{s}
(v_(1)+-v_(2))f\left(v_{1} \pm v_{2}\right) f
永磁磁场、电枢反作用力场和定子开槽的相互作用
Interaction of PM field,
armature reaction field
and stator slotting| Interaction of PM field, |
| :--- |
| armature reaction field |
| and stator slotting |
(v+-h)p+-(mu_(1)+-mu_(2))Q_(s)(v \pm h) p \pm\left(\mu_{1} \pm \mu_{2}\right) Q_{s}
(v+-k)f(v \pm k) f
电枢反作用力场与定子开槽的相互作用
Interaction of armature
reaction field and stator
slotting| Interaction of armature |
| :--- |
| reaction field and stator |
| slotting |
(h_(1)+-h_(2))p+-muQ_(s)\left(h_{1} \pm h_{2}\right) p \pm \mu Q_{s}
(k_(1)+-k_(2))f\left(k_{1} \pm k_{2}\right) f
Source Spatial order Frequency
"PM field
Interaction of PM field,and armature reaction,field"(v_(1)+-v_(2))p (v_(1)+-v_(2))f
Armature reaction field (v+-h)p (v+-k)f
"Interaction of PM field
and stator slotting" (v_(1)+-v_(2))p+-(mu_(1)+-mu_(2))Q_(s) (v_(1)+-v_(2))f
"Interaction of PM field,
armature reaction field
and stator slotting" (v+-h)p+-(mu_(1)+-mu_(2))Q_(s) (v+-k)f
"Interaction of armature
reaction field and stator
slotting" (h_(1)+-h_(2))p+-muQ_(s) (k_(1)+-k_(2))f| Source | Spatial order | Frequency |
| :--- | :---: | :---: |
| PM field <br> Interaction of PM field <br> and armature reaction <br> field$\left(v_{1} \pm v_{2}\right) p$ | $\left(v_{1} \pm v_{2}\right) f$ | |
| Armature reaction field | $(v \pm h) p$ | $(v \pm k) f$ |
| Interaction of PM field <br> and stator slotting | $\left(v_{1} \pm v_{2}\right) p \pm\left(\mu_{1} \pm \mu_{2}\right) Q_{s}$ | $\left(v_{1} \pm v_{2}\right) f$ |
| Interaction of PM field, <br> armature reaction field <br> and stator slotting | $(v \pm h) p \pm\left(\mu_{1} \pm \mu_{2}\right) Q_{s}$ | $(v \pm k) f$ |
| Interaction of armature <br> reaction field and stator <br> slotting | $\left(h_{1} \pm h_{2}\right) p \pm \mu Q_{s}$ | $\left(k_{1} \pm k_{2}\right) f$ |
结构的固有频率是振动和噪声研究中的一个关键参数。为了确定拟议电机的模态频率,在 ANSYS 中建立了包含定子、机壳、端盖和轴承的三维结构模型。除铁磁性定子和转子铁芯以及铜绕组外,其他结构支撑部件均由结构钢构成。为简化分析模型,绕组作为定子齿的附加质量被均衡化。表 IV 列出了电机的模态计算结果和模态振型及相应频率。
表 IV 模式振型和频率
TABLE IV
Mode Shapes and Frequencies| TABLE IV |
| :--- |
| Mode Shapes and Frequencies |
订购
频率(赫兹)
模式形状
2
2295.4
3
4372.4
4
6816.9
5
8595.2
"TABLE IV
Mode Shapes and Frequencies"
Order Frequency (Hz) Mode shape
2 2295.4
3 4372.4
4 6816.9
5 8595.2 | TABLE IV <br> Mode Shapes and Frequencies | | |
| :---: | :---: | :---: |
| | | |
| Order | Frequency (Hz) | Mode shape |
| 2 | 2295.4 | |
| 3 | 4372.4 | |
| 4 | 6816.9 | |
| 5 | 8595.2 | |
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