Table 462: NSPTOV Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
Table 463: NSPTOV Non group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Reset delay time 0...60000 ms 1 20 Reset delay time
4.4.4.8 Monitored data
NSPTOV Monitored data
Table 464: NSPTOV Monitored data
Name Type Values (Range) Unit Description
START_DUR FLOAT32 0.00...100.00 % Ratio of start
time / operate
time
NSPTOV Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.4.4.9 Technical data
Table 465: NSPTOV Technical data
Characteristic
Value
Operation accuracy Depending on the frequency of the voltage measured: f
n
±1.5% of the set value or ±0.002 × U
n
Start time
1
2
U
Fault
= 1.1 × set
Start
value
U
Fault
= 2.0 × set
Start
value
Minimum Typical Maximum
33 ms
24 ms
35 ms
26 ms
37 ms
28 ms
Reset time Typically 40 ms
Reset ratio Typically 0.96
Retardation time <35 ms
Operate time accuracy in definite time mode ±1.0% of the set value or ±20 ms
Suppression of harmonics DFT: -50 dB at f = n × f
n
, where n = 2, 3, 4, 5,…
1
Negative-sequence voltage before fault = 0.0 × U
n
, f
n
= 50 Hz, negative-sequence overvoltage
with nominal frequency injected from random phase angle, results based on statistical distribu-
tion of 1000 measurements
2
Includes the delay of the signal output contact
1MRS758755 C Protection functions
REC615 & RER615
Technical Manual
443
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