Chapter 12 Description of Parameter SettingsC2000
12.1-05-4
Magnetizing Inductance (Lm) for Induction Motor 2
Stator Inductance (Lx) for Induction Motor 2
Default: 0.0
Settings 0.0–6553.5 mH
Induction Motor 1/ 2 Selection
Default: 1
Settings 1: Motor 1
2: Motor 2
Sets the motor currently operated by the AC motor drive.
Frequency for Y-connection / ∆-connection Switch for an Induction Motor
Default: 60.00
Settings 0.00–599.00 Hz
Y-connection / ∆-connection Switch for Induction Motor
Default: 0
Settings 0: Disable
1: Enable
Delay Time for Y-connection / ∆-connection Switch for an Induction Motor
Default: 0.200
Settings 0.000–60.000 sec.
You can apply Pr. 05-23–Pr. 05-25 in a wide range of motors, and the motor coil executes the
Y-connection / -connection switch as required. The wide range motors are related to the motor
design. In general, the motor has higher torque with low speed Y-connection, and has higher
speed with high speed -connection).
Pr. 05-24 enables and disables the switch of Y-connection / -connection.
When you set Pr. 05-24 as 1, the drive uses the Pr. 05-23 setting and current motor frequency,
and switches the current motor to Y-connection or -connection. You can switch the relevant
motor parameter settings simultaneously.
Pr. 05-25 sets the switch delay time of Y-connection / -connection.
When the output frequency reaches Y-connection / -connection switch frequency, the drive
delays according to Pr. 05-25 before activating the multi-function output terminals.
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