LAB
Voltage limit boundary in the Id–Iq plane and a field-weakening operating point that targets a torque at a given speed.
Assumption: steady-state dq model, no saturation. Voltage limit uses Vphase≈Vdc/√3 × utilization.
INVERTER & SPEED
300
51000
0.95
0.71
0.03
0.0010.2
6000
020000
FIELD WEAKENING TARGET
60
01000
MOTOR
4
112
0.08
0.0010.1
0.00025
0.000010.0012
0.00045
0.000010.0012
200
20400
Vmax164.5 V
FW feasibleYes
FW (Id, Iq)-130.7 A, 94.2 A
FW torque60.00 Nm
FW |V|164.4 V