ABB RELION REX640 Technical Manual page 712

Protection functions
Table 659: TR2PTDF Group settings (Advanced)
Parameter Values (Range)
Enable high set
0=False
1=True
Slope section 3 10...100
Harmonic deblock
0=False
2.
1=True
Stop value 5.H 10...50
Harmonic deblock
0=False
5.
1=True
Table 660: TR2PTDF Non group settings (Basic)
Parameter Values (Range)
Operation
1=on
5=off
CT connection type 1=Type 1
2=Type 2
Winding 1 type
1=Y
2=YN
3=D
4=Z
5=ZN
Winding 2 type
1=y
2=yn
3=d
4=z
5=zn
Clock number
0=Clk Num 0
1=Clk Num 1
2=Clk Num 2
4=Clk Num 4
5=Clk Num 5
6=Clk Num 6
7=Clk Num 7
8=Clk Num 8
10=Clk Num 10
11=Clk Num 11
Zro A elimination
1=Not eliminated
2=Winding 1
3=Winding 2
4=Winding 1 and 2
CT ratio Cor Wnd 1 0.40...4.00
CT ratio Cor Wnd 2 0.40...4.00
712
Unit Step
% 1
% 1
Unit Step
0.01
0.01
1MRS759142 F
Default Description
1=True Enable high set
stage
100 Slope of the third
line of the operat-
ing characteristics
1=True 2. harmonic de-
blocking in case of
switch on to fault
35 5. harmonic de-
blocking ratio
0=False 5. harmonic de-
blocking in case of
severe overvoltage
Default Description
1=on Operation Off/On
1=Type 1 CT connection
type. Determined
by the directions of
the connected cur-
rent transformers
1=Y Connection of the
HV side windings
1=y Connection of the
LV side windings
0=Clk Num 0 Setting the phase
shift between HV
and LV with clock
number for connec-
tion group com-
pensation (e.g.
Dyn11 -> 11)
1=Not eliminated Elimination of the
zero-sequence cur-
rent
1.00 CT ratio correction,
winding 1
1.00 CT ratio correction,
winding 2
Technical Manual
REX640