Parameter
Values (Range)
Unit
Step
Default
Description
Current change
rate
0.01...0.50
xIn
0.01
0.15
Operate level of
change in phase
current
Voltage change
rate
0.25...0.90
xUn
0.01
0.40
Operate level of
change in phase
voltage
Change rate enable 0=False
1=True
0=False
Enabling operation
of change based
function
Min Op voltage del-
ta
0.01...1.00
xUn
0.01
0.50
Minimum operate
level of phase volt-
age for delta calcu-
lation
Min Op current del-
ta
0.01...1.00
xIn
0.01
0.10
Minimum operate
level of phase cur-
rent for delta calcu-
lation
Seal in voltage
0.01...1.00
xUn
0.01
0.50
Operate level of
seal-in phase volt-
age
Enable seal in
0=False
1=True
0=False
Enabling seal in
functionality
Current dead Lin
Val
0.05...1.00
xIn
0.01
0.05
Operate level for
open phase current
detection
6.5.8
Monitored data
Table 872: SEQSPVC Monitored data
Name
Type
Values (Range)
Unit
Description
SEQSPVC
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
6.5.9
Technical data
Table 873: SEQSPVC Technical data
Characteristic
Value
Operate time
NPS function
U
Fault
= 1.1 × set
Neg Seq volt-
age Lev
<33 ms
U
Fault
= 5.0 × set
Neg Seq
voltage Lev
<18 ms
Delta function
ΔU = 1.1 × set
Voltage change
rate
<30 ms
ΔU = 2.0 × set
Voltage change
rate
<24 ms
1
Includes the delay of the signal output contact, f
n
= 50 Hz, fault voltage with nominal frequency
injected from random phase angle, results based on statistical distribution of 1000 measure-
ments.
Supervision functions
1MRS757644 H
904
620 series
Technical Manual
