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%