Differential Protection - ABB RELION 620 Series Technical Manual

1MRS757644 H
Name
ANGLE
MFADPSDE
4.2.8.9 Technical data
Table 475: MFADPSDE Technical data
Characteristic
Operation accuracy
Start time
Reset time
Operate time accuracy
4.3

Differential protection

1
Includes the delay of the signal output contact, results based on statistical distribution of 1000
measurements.
620 series
Technical Manual
Type Values (Range)
FLOAT32 -180.00...180.00
Enum
1=on
2=blocked
3=test
4=test/blocked
5=off
Value
Depending on the frequency of the measured voltage:
f ±2 Hz
n
±1.5% of the set value or ±0.002 × U
Typically 35 ms
Typically 40 ms
±1.0% of the set value or ±20 ms
Protection functions
Unit Description
deg Angle between
polarizing and
operating quan-
tity
Status
n
501