ABB Relion Technical Manual page 95

1MRK 502 048-UUS A
Name Values (Range)
NegSeqROA 30.0 - 90.0
SOTFMode Disabled
Enabled
IDiffAlarm 0.05 - 1.00
tAlarmDelay 0.000 - 60.000
Table 27: T3WPDIF (87T) Non group settings (basic)
Name Values (Range)
GlobalBaseSelW1 1 - 6
GlobalBaseSelW2 1 - 6
GlobalBaseSelW3 1 - 6
ConnectTypeW1 WYE (Y)
Delta (D)
ConnectTypeW2 WYE (Y)
Delta (D)
ConnectTypeW3 WYE (Y)
Delta (D)
ClockNumberW2 0 [0 deg]
1 [30 deg lag]
2 [60 deg lag]
3 [90 deg lag]
4 [120 deg lag]
5 [150 deg lag]
6 [180 deg]
7 [150 deg lead]
8 [120 deg lead]
9 [90 deg lead]
10 [60 deg lead]
11 [30 deg lead]
ClockNumberW3 0 [0 deg]
1 [30 deg lag]
2 [60 deg lag]
3 [90 deg lag]
4 [120 deg lag]
5 [150 deg lag]
6 [180 deg]
7 [150 deg lead]
8 [120 deg lead]
9 [90 deg lead]
10 [60 deg lead]
11 [30 deg lead]
Table continues on next page
Technical manual
Unit Step Default
Deg 0.1 60.0
- - Enabled
IB 0.01 0.20
s 0.001 10.000
Unit Step Default
- 1 1
- 1 1
- 1 1
- - WYE (Y)
- - WYE (Y)
- - Delta (D)
- - 0 [0 deg]
- - 5 [150 deg lag]
Differential protection
Description
Operate angle for internal/external negative
sequence fault discriminator
Operation mode for switch onto fault function
Differential current alarm, multiple of base
current, usually W1 current
Time delay for differential current alarm
Description
Selection of one of the Global Base Value
groups, winding 1
Selection of one of the Global Base Value
groups, winding 2
Selection of one of the Global Base Value
groups, winding 3
Connection type of winding 1: Y-wye or D-delta
Connection type of winding 2: Y-wye or D-delta
Connection type of winding 3: Y-wye or D-delta
Phase displacement between W2 & W1=HV
winding, hour notation
Phase displacement between W3 & W1=HV
winding, hour notation
Section 6
89