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签到天数: 14 天 连续签到: 1 天 [LV.3]偶尔看看II
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我更是碰到1个奇怪问题,我啥都没变,仅仅改变转速,即由10500rmp改到10000,则结果完全不一样,而且凭经验,10000rmp时的数据是错的,如大家有兴趣,我一详细在讨论板块中发帖了,《 我在Rmxprt设计中仅仅改变转速,其余均未改变,为什么负载输入电流由1.24变为5.91A 》,
在10500rmp时的计算结果是
FULL-LOAD DATA
Input Current (A): 1.22274
Armature Current (A): 0.611368
Armature Thermal Load (A^2/mm^3): 548.943
Specific Electric Loading (A/mm): 20.3804
Armature Current Density (A/mm^2): 26.9349
Frictional and Windage Loss (W): 91.4538
Iron-Core Loss (W): 5.69135
Armature Copper Loss (W): 50.0126
Brush Loss (W): 1.8341
Total Loss (W): 148.992
Output Power (W): 120.01
Input Power (W): 269.002
Efficiency (%): 44.6131
Rated Speed (rpm): 18449.5
Rated Torque (N.m): 0.0621162
Locked-Rotor Torque (N.m): 0.600431
Locked-Rotor Current (A): 6.53187
10000rmp时的结果如下:
FULL-LOAD DATA
Input Current (A): 5.90548
Armature Current (A): 2.95274
Armature Thermal Load (A^2/mm^3): 12804.8
Specific Electric Loading (A/mm): 98.4317
Armature Current Density (A/mm^2): 130.088
Frictional and Windage Loss (W): 3.38885
Iron-Core Loss (W): 0.242128
Armature Copper Loss (W): 1166.61
Brush Loss (W): 8.85822
Total Loss (W): 1179.1
Output Power (W): 120.11
Input Power (W): 1299.21
Efficiency (%): 9.24486
Rated Speed (rpm): 2176.73
Rated Torque (N.m): 0.526922
Locked-Rotor Torque (N.m): 0.600431
Locked-Rotor Current (A): 6.53187
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