lower than the limit level,will accelerate
will derate to run duri
will run at stable frequency in ACC running,
e running, this function will
avoid overcurrent fault and trips.
stopping caused protection during the
voltage to ensure a rated running until
begin to decrease the running frequency
, to make generate power
Function Parameters
89
Function
code
Name
Description
Default
value
Modify
of sudden
power loss
drops to the sudden frequency-decreasing point,
again. The returning power can maintain the bus
power recovery.
Voltage degree
220V
380V
660V
Frequency decrease point
at sudden power loss
260V
460V
800V
Note:
1. Adjust the parameter properly to avoid the
switching of the grid.
2. Disable input phase loss protection to enable
this function.
E11.03
Overvoltage
stall protection
0: Disable
1: Enable
DC bus voltage
Overvoltage stall
point
Output frequency
1
○
E11.04
Protection
voltage at
overvoltage
stall
120
–150%(standard bus voltage) (380V)
136%
○
120
–150%(standard bus voltage) (220V)
120%
E11.05
Current limit
action selection
The actual increasing ratio is less than the ratio of
output frequency because of the big load during
ACC running. It is necessary to take measures to
During th
detect the output current and compare it with the
limit defined in
. If it exceeds the level, the
ng the constant
running. If it exceeds the level continuously, the
output frequency will keep on decreasing to the
lower limit. If the output current is detected to be
to run.
01
◎
E11.06
Automatic
current limit
G type:
160.0%
◎
P type:
120.0%
E11.07
The decreasing
ratio during
current limit
10.00
Hz/s
◎
