Table 2 The parameter values of motors.
Parameters | Motor 1 | Motor 2 | Motor 3 | Parameters | Motor 1 | Motor 2 | Motor 3 |
|---|---|---|---|---|---|---|---|
Rated power | 0.7 kW | 0.7 kW | 0.7 kW | Rotor Resistance | 0.06Ω | 0.06Ω | 0.06Ω |
Nominal voltage | 220 V | 220 V | 220 V | Stator Inductance | 0.0009Ω | 0.0009Ω | 0.0009Ω |
Rated frequency | 50 Hz | 50 Hz | 50 Hz | Rotor Inductance | 0.0009Ω | 0.0009Ω | 0.0009Ω |
Rated speed | 157 rad/s | 157 rad/s | 157 rad/s | Mutual inductance | 0.03H | 0.03H | 0.03H |
Number of poles | 4 | 4 | 4 | ||||
Stator resistance | 0.1Ω | 0.1Ω | 0.1Ω | Damping coefficient of motor shaft | 0.02N·m/(rad/s) | 0.02N·m/(rad/s) | 0.02N·m/(rad/s) |