Parameter
Values (Range)
Unit
Step
Default
Description
Leakage React
0.0...50.0
%
0.1
0.0
Leakage reactance
of the machine
Voltage Max Cont
80...160
%
1
110
Maximum allowed
continuous operat-
ing voltage ratio
Table 848: OEPVPH Non group settings (Advanced)
Parameter
Values (Range)
Unit
Step
Default
Description
Reset delay time
0...60000
ms
10
100
Resetting time of
the operate time
counter in DT mode
Minimum operate
time
200...60000
ms
10
200
Minimum operate
time for IDMT
curves
4.5.7.10
OEPVPH Monitored data
Table 849: OEPVPH Monitored data
Name
Type
Values (Range)
Unit
Description
START_DUR
FLOAT32
0.00...100.00
%
Ratio of start time / op-
erate time (in %)
T_ENARESTART
INT32
0...10000
s
Estimated time to reset
of block restart
VOLTPERHZ
FLOAT32
0.00...10.00
pu
Excitation level, i.e U/f
ratio or Volts/Hertz
OEPVPH
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.5.7.11
Technical data
Table 850: OEPVPH Technical data
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured
current: f
n
±2 Hz
±3.0% of the set value
Start time
1
Frequency change:
Typically 200 ms
Voltage change:
Typically 40 ms
Reset time
Typically 40 ms
Reset ratio
Typically 0.96
Retardation time
<35 ms
Table continues on the next page
1
Includes the delay of the signal output contact
1MRS759142 F
Protection functions
REX640
Technical Manual
899