Name
Type
Values (Range)
Unit
Description
operating quan-
tity
MFADPSDE
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Status
4.2.7.9
Technical data
Table 411: MFADPSDE Technical data
Characteristic
Value
Operation accuracy
Depending on the frequency of the measured voltage:
f
n
±2 Hz
±1.5% of the set value or ±0.002 × U
n
Start time
1
Typically 35 ms
Reset time
Typically 40 ms
Operate time accuracy
±1.0% of the set value or ±20 ms
4.3
Unbalance protection
4.3.1
Negative-sequence overcurrent protection NSPTOC
4.3.1.1
Identification
Function description
IEC 61850
identification
IEC 60617
identification
ANSI/IEEE C37.2
device number
Negative-sequence overcurrent pro-
tection
NSPTOC
I2>
46
1
Includes the delay of the signal output contact, results based on statistical distribution of 1000
measurements
1MRS758755 C
Protection functions
REC615 & RER615
Technical Manual
409
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