Chapter 12 Description of Parameter SettingsCFP2000
12.1-05-7
System Inertia for a Permanent Magnet Synchronous AC Motor
Default: Depending on
the motor power
Settings 0.0–6553.5 kg-cm
2
Default values are as below:
Rated Power [kW] 0.4 0.75 1.5 2.2 3.7 5.5 7.5 9.3 11
Rotor Inertia [kg-cm
2
] 1.2 3.0 6.6 15.8 25.7 49.6 82.0 121.6 177.0
Rated Power [kW] 14.1 18.2 27 33 40 46 54
Above
54
Rotor Inertia [kg-cm
2
] 211.0 265.0 308.0 527.0 866.0 1082.0 1267.6 1515.0
Stator Resistance for a Permanent Magnet Synchronous AC Motor
Default: 0.000
Settings
0.000–65.535
Permanent Magnet Synchronous AC Motor Ld
Default: 0.00
Settings 0.00–655.35 mH
Permanent Magnet Synchronous AC Motor Lq
Default: 0.00
Settings 0.00–655.35 mH
Ke parameter for a Permanent Magnet Synchronous AC Motor
Default: 0
Settings 0–65535 (Unit: V/krpm)
Ke parameter of a permanent magnet synchronous AC motor (V
phase, rms
/ krpm).
When Pr.05-00=5, the induction electromotive force Ke is measured according to the motor’s
actual operation.
When Pr.05-00=13, the Ke is automatically calculated according to the motor power, current and
rotor speed.
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