Research Article

Determination and Application of Maximum Efficiency Curve of Crawler Electric Tractor Motors

Table 2

Motor system efficiency test data.

Motor efficiencyRotational speed (r/min)
0400800120016002000240028003000

Torque (Nm)51.230.70.780.850.860.810.820.790.780.78
45.640.70.780.860.870.820.820.790.780.78
40.520.70.790.860.880.850.820.790.780.78
35.360.70.800.860.890.870.820.780.780.78
30.860.70.810.870.90.880.850.790.780.78
25.720.70.820.880.90.90.870.820.780.78
20.640.70.820.870.90.910.90.860.80.78
15.230.70.820.860.90.910.910.90.880.8
10.380.70.810.850.890.910.910.910.910.9
5.140.70.770.820.870.880.890.90.910.9
00.70.70.70.70.70.70.70.70.7