Monitored Data - ABB RET650 Technical Manual

Section 6
Differential protection
Name
ConnectTypeW3
ClockNumberW2
ClockNumberW3
ZSCurrSubtrW1
ZSCurrSubtrW2
ZSCurrSubtrW3
6.1.3.5
86
Values (Range) Unit
WYE (Y) -
Delta (D)
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]
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]
Off -
On
Off -
On
Off -
On

Monitored data

Table 33: T3WPDIF Monitored data
Name
IDL1MAG
IDL2MAG
IDL3MAG
IBIAS
IDNSMAG
Step Default
- Delta (D)
- 0 [0 deg]
- 5 [150 deg lag]
- On
- On
- On
Type Values (Range)
REAL -
REAL -
REAL -
REAL -
REAL -
1MRK 504 135-UEN A
Description
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
Enable zero sequence subtraction for W1
side, Off/On
Enable zero sequence subtraction for W2
side, Off/On
Enable zero sequence subtraction for W3
side, Off/On
Unit Description
A Magnitude of
fundamental frequency
differential current, phase
L1
A Magnitude of
fundamental frequency
differential current, phase
L2
A Magnitude of
fundamental frequency
differential current, phase
L3
A Magnitude of the bias
current, which is common
to all phases
A Magnitude of the
negative sequence
differential current
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