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Performance tolerance range of motors
Performance tolerance range
No. |
Electrical performance description |
Tolerance |
1 |
Efficiency (η)>150kW |
-0.15 (1-η) -0.10 (1-η) |
2 |
power factor |
-(1-cosφ)/6, (min) -0.02, (max) -0.07 |
3 |
locked rotor torque |
-15% |
4 |
pull-up torque |
-15% |
5 |
breakdown torque |
-10% |
6 |
locked rotor current |
+20% |
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