本帖最后由 see9999 于 2009-10-22 16:40 编辑
运用SPEED进行的永磁有刷电机的验算(PC-DCM)
电机 260W 2000rpm 180V 1.25Nm
赋值计算后的数据如下:
6 Dynamic design:------------------------------------------------------------
Tshaft1.2500 Nm
RPM 1839.0048 rpm
Pshaft 240.7252 W
Iav1.6519 A
Irms1.6519 A
Jrms8.5850 A/mm2
Q10.3832 A/mm
Eff80.9570 %
Pelec297.3494 W
WCu30.7157 W
WFe3.3466 W
WBrush3.3039 W
WFric19.2580 W
WWF0.0000 W
WTotal56.6242 W
rpmNL2034.9172 rpm
INL0.1432 A
TNL-1.168E-16 Nm
EMF159.4063 V
IStall15.8142 A
TStall12.9901 Nm
kE0.8277 Vs/rad VperKrpm
86.6807 V/krpm
kT0.8289 Nm/A
VRs 0.0000 V
Va_av178.0000 V
计算后运用SPEED自带的有限元分析后调整后得到的数据如下:
6 Dynamic design:------------------------------------------------------------
Tshaft1.2500 Nm
RPM1997.7107 rpm
Pshaft261.4997 W
Iav1.8119 A
Irms1.8119 A
Jrms9.4163 A/mm2
Q11.3886 A/mm
Eff80.1795 %
Pelec326.1428 W
WCu36.9524 W
WFe3.1469 W
WBrush3.6238 W
WFric20.9200 W
WWF0.0000 W
WTotal64.6431 W
rpmNL2234.2087 rpm
INL0.1542 A
TNL-4.776E-16 Nm
EMF157.6058 V
IStall15.8142 A
TStall11.8141 Nm
kE0.7534 Vs/rad VperKrpm
78.8932 V/krpm
kT0.7544 Nm/A
VRs0.0000 V
Va_av178.0000 V
经过自带的有限元软件重新调整后其计算出来的数据与实际的样机所得的数据十分接近。
以下是相关的贴图:
|