Parameters: 30-** Special Features - Danfoss VLT HVAC Drive FC 102 Programming Manual

Parameter Descriptions

3.25 Parameters: 30-** Special Features

30-22 Locked Rotor Protection
Available for PM motors only, in VVC
Option: Function:
3 3
[0] Off
[1] On Protects the motor from the locked rotor condition. The
control algorithm detects a possible locked rotor
condition in motor and trips the frequency converter to
protect the motor.
30-23 Locked Rotor Detection Time [s]
Available for PM motors only, in flux sensorless-mode and VVC
open-loop mode.
Range:
Size related
*
208
+ open-loop mode.
Function:
[0.05 - 1 s] Time period for detecting the locked
rotor condition. A low parameter
value leads to faster detection.
Danfoss A/S © 03/2015 All rights reserved.
®
VLT HVAC Drive FC 102
+
MG11CE02