INVT Goodrive270 Series Operation Manual page 226

Goodrive270 series VFD for fan and pump
Function
Name
code
Overvoltage stalling
P11.03
protection
Overvoltage stalling
P11.04
protection voltage
P11.05 Current limit mode
Automatic current
P11.06
limit threshold
Frequency drop rate
P11.07
during current limit
Description
0: Disable
1: Enable
DC bus voltage V
Overvoltage stall
threshold
Output
frequency
If the bus voltage exceeds the overvoltage
stalling point, the motor is in power generation
state, and the overvoltage stalling protection
function takes effect to regulate output
frequency (that is, consume unnecessary
regenerative electricity).
120–150% (standard bus voltage) (380V)
120–150% (standard bus voltage) (220V)
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.
0x00–0x11
Ones place: Current limit action selection
0: Invalid
1: Always valid
Tens: Hardware current limit overload alarm
selection
0: Valid
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
-216-
Time t
Time t
1: Invalid
Function parameter list
Default Modify
○
1
136%
○
120%
◎
0x01
◎
120.0%
10.00
◎
Hz/s