Delta Electronics AC Motor Drive VFD-VE Series - Manual (Page 149)

Chapter 4 Parameters|
4-100 Revision August 2008, 03VE, SW V2.04
The parameter is set by the output frequency, current and operation time of the drive for
activating the I 2 t electronic thermal protection function. The function will be activated for the
150% * setting current for the setting of Pr.06-14/Pr.06-28.
1
2
3
4
5
0 20 40 60 80100120140160180200
Operation
time(min)
Load
factor (%)
60Hz or more
50Hz
10Hz
5Hz
06-15 Heat Sink Over-heat (OH) Warning Unit: 0.1
Control
mode
VF VFPG SVC FOCPG TQRPG
Factory Setting: 85.0
Settings 0.0 to 110.0 o C
06-16 Stall Prevention Limit Level Unit: 1
Control
mode
VF VFPG SVC
Factory Setting: 50
Settings 0 to 100% (refer to Pr.06-03, Pr.06-04)
When operation frequency is larger than Pr.01-01, Pr06-03=150%, Pr. 06-04=100% and Pr.
06-28=80%:
Stall Prevention Level during acceleration = 06-03x06-28=150x80%=120%.
Stall Prevention Level at constant speed= 06-03x06-28=100x80%=80%.
06-17 Present Fault Record
06-18 Second Most Recent Fault Record
06-19 Third Most Recent Fault Record
06-20 Fourth Recent Fault Record
06-21 Fifth Most Recent Fault Record
06-22 Sixth Most Recent Fault Record
Settings 0 to 65 Factory Setting: 0
Control Mode
Settings
VF VFPG SVC FOCPG TQRPG