INVT Goodrive3000 Series Operation Manual page 122

Goodrive3000 series medium voltage VFD
The function code is used to set the protection against overvoltage stalling.
Function
code
P11.05 Current limit mode
P11.06
Frequency drop rate
P11.07
during current limit
During accelerated running, as the load is too large, the actual acceleration rate of motor is lower than that of output
frequency, if no measures are taken, the VFD may trip due to overcurrent during acceleration.
Current-limit protection function detects output current during running, and compares it with the current-limit level defined
by P11.06, if it exceeds the current-limit level, the VFD will run at stable frequency during accelerated running, or run in
decreased frequency during constant-speed running; if it exceeds the current-limit level continuously, the VFD output
frequency will drop continuously until reaching lower limit frequency. When the output current is detected to be lower than
the current-limit level again, it will continue accelerated running.
Functio
n code
Pre-alarm selection
P11.08
for VFD/motor OL/UL
Name
0x00–0x11
Ones place: Current limit action
0: Invalid
1: Always valid
Tens place: Hardware current limit
overload alarm
0: Valid
1: Invalid
Automatic current 50.0–200.0% (100% corresponds to
limit threshold rated current))
0.00–50.00Hz/s
Output current A
Current-limit
threshold
Output frequency f
Set
frequency
Name
0x000–0x131
Ones place:
0: Motor OL/UL pre-alarm, relative to the rated
motor current.
1: VFD OL/UL pre-alarm, relative to the VFD rated
current
Tens place:
0: The VFD continues to work for an OL/UL alarm.
1: The VFD continues to work for a UL alarm but
stops running for an OL fault.
2: The VFD continues to work for an OL alarm but
stops running for a UL fault.
3. The VFD stops running for an OL/UL alarm.
Description
Constant
Acceleration speed
Description
-116-
Goodrive3000 inverter
Setting range Default
0x00–0x11 0x01
50.0–200.0 150.0%
0.00–50.00 10.00Hz/s
Time t
Time t
Setting
Default
range
0x000–
0x000
0x131