Name
Values (Range)
Unit
Step
Default
Description
ConnectTypeW3
WYE (Y)
Delta (D)
-
-
Delta (D)
Connection type of winding 3: Y-wye or D-
delta
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]
-
-
0 [0 deg]
Phase displacement between W2 &
W1=HV winding, hour notation
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]
-
-
5 [150 deg lag]
Phase displacement between W3 &
W1=HV winding, hour notation
ZSCurrSubtrW1
Off
On
-
-
On
Enable zero sequence subtraction for W1
side, Off/On
ZSCurrSubtrW2
Off
On
-
-
On
Enable zero sequence subtraction for W2
side, Off/On
ZSCurrSubtrW3
Off
On
-
-
On
Enable zero sequence subtraction for W3
side, Off/On
6.1.3.5
Monitored data
Table 33:
T3WPDIF Monitored data
Name
Type
Values (Range)
Unit
Description
IDL1MAG
REAL
-
A
Magnitude of
fundamental frequency
differential current, phase
L1
IDL2MAG
REAL
-
A
Magnitude of
fundamental frequency
differential current, phase
L2
IDL3MAG
REAL
-
A
Magnitude of
fundamental frequency
differential current, phase
L3
IBIAS
REAL
-
A
Magnitude of the bias
current, which is common
to all phases
IDNSMAG
REAL
-
A
Magnitude of the
negative sequence
differential current
Section 6
1MRK 504 135-UEN A
Differential protection
86
Technical manual
Summary of Contents for ret650
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