ABB ret650 - Function Block; Settings; Signals

adjacent parts in a relatively short time. The function has settable inverse operating
curves and independent alarm stages.
9.4.3 Function block
OEXPVPH
U3P*
BLOCK
RESET
TRIP
START
ALARM
IEC09000008-2-en.vsd
IEC09000008 V2 EN
Figure 98: OEXPVPH function block
9.4.4 Signals
Table 148: OEXPVPH Input signals
Name Type Default Description
U3P GROUP
SIGNAL
- Three phase group signal for voltages
BLOCK BOOLEAN 0 Block of function
RESET BOOLEAN 0 Reset of function
Table 149: OEXPVPH Output signals
Name
Type Description
TRIP BOOLEAN General trip signal
START BOOLEAN General start signal
ALARM BOOLEAN Overexcitation alarm signal
9.4.5 Settings
Table 150: OEXPVPH Group settings (basic)
Name
Values (Range) Unit Step Default Description
Operation Off
On
- - Off Operation Off / On
V/Hz> 100.0 - 180.0 %UB/f 0.1 110.0 Operate level of V/Hz at no load and rated
freq in % of (Ubase/frated)
V/Hz>> 100.0 - 200.0 %UB/f 0.1 140.0 High level of V/Hz above which tMin is
used, in % of (Ubase/frated)
tMin 0.005 - 60.000 s 0.001 7.000 Minimum trip delay for V/Hz curve
kForIEEE 1 - 60 - 1 1 Time multiplier for IEEE inverse type
curve
AlarmLevel 50.0 - 120.0 % 0.1 100.0 Alarm operate level
tAlarm 0.00 - 9000.00 s 0.01 5.00 Alarm time delay
Section 9 1MRK 504 135-UEN A
Voltage protection
222
Technical manual