ABB Relion 620 Series - Page 517

Table 479: MPDIF Group settings (Advanced)
Parameter Values (Range) Unit Step Default Description
Slope section 3 10...100 % 1 100 Slope of the third
line of the operat-
ing characteristics
DC restrain enable
0=False
1=True
0=False Setting for ena-
bling DC restrain
feature
Table 480: MPDIF Non group settings (Basic)
Parameter Values (Range) Unit Step Default Description
Operation
1=on
5=off
1=on Operation Off / On
CT connection type
1=Type 1
2=Type 2
1=Type 1 CT connection
type. Determined
by the directions of
the connected cur-
rent transformers
CT ratio Cor Line 0.40...4.00 0.01 1.00 CT ratio correction,
line side
CT ratio Cor Neut 0.40...4.00 0.01 1.00 CT ratio correction,
neutral side
4.3.1.8 Monitored data
Table 481: MPDIF Monitored data
Name
Type Values (Range) Unit Description
OPR_A BOOLEAN
0=False
1=True
Operate phase A
OPR_B BOOLEAN
0=False
1=True
Operate phase B
OPR_C BOOLEAN
0=False
1=True
Operate phase C
INT_BLKD_A BOOLEAN
0=False
1=True
Internal block status
phase A
INT_BLKD_B BOOLEAN
0=False
1=True
Internal block status
phase B
INT_BLKD_C BOOLEAN
0=False
1=True
Internal block status
phase C
ID_A FLOAT32 0.00...80.00 xIr Differential current
phase A
ID_B FLOAT32 0.00...80.00 xIr Differential current
phase B
ID_C FLOAT32 0.00...80.00 xIr Differential current
phase C
IB_A FLOAT32 0.00...80.00 xIr Biasing current phase A
IB_B FLOAT32 0.00...80.00 xIr Biasing current phase B
IB_C FLOAT32 0.00...80.00 xIr Biasing current phase C
I_ANGL_A1_B1 FLOAT32 -180.00...180.00 deg Current phase angle
phase A to B, line side
Table continues on the next page
1MRS757644 H Protection functions
620 series
Technical Manual
517