Phase-Loss Protection; Over-Current Stall Prevention During Acceleration; Over-Current Stall Prevention During Operation - Delta Electronics AC Motor Drive VFD-VE Series User Manual

Chapter 4 Parameters|
06-02

Phase-loss Protection

Control
VF VFPG
mode
Settings
It is used to set the phase-loss treatment. The phase-loss will effect driver's control
characteristic and life.
06-03

Over-Current Stall Prevention during Acceleration

Control
VF VFPG
mode
Settings
During acceleration, the AC drive output current may increase abruptly and exceed the value
specified by Pr.06-03 due to rapid acceleration or excessive load on the motor. When this
function is enabled, the AC drive will stop accelerating and keep the output frequency constant
until the current drops below the maximum value.
06-03
Over-Current
Detection
Level
06-04

Over-current Stall Prevention during Operation

Control
VF VFPG
mode
Settings
If the output current exceeds the setting specified in Pr.06-04 when the drive is operating, the
drive will decrease its output frequency to prevent the motor stall. If the output current is lower
than the setting specified in Pr.06-04, the drive will accelerate again to catch up with the set
frequency command value.
4-96
SVC FOCPG TQRPG
0 Warn and keep operation
1 Warn and ramp to stop
2 Warn and coast to stop
SVC
00~250%
actual acceleration time when over-current stall
prevention is enabled
SVC
00 to 250%
Over-Current Stall
prevention during
Acceleration,
frequency held
Revision August 2008, 03VE, SW V2.04
Factory Setting: 0
Factory Setting: 170
current
Output
Frequency
time
Factory Setting: 170
Unit: 1
Unit: 1