ABB RELION 670 Series Product Manual page 136

Transformer protection RET670 2.1 IEC
Software options
No option
Restricted earth fault protection, low
impedance
High impedance differential protection -
3 blocks
Transformer distance protection,
quadrilateral
Transformer distance protection, mho
Underimpedance protection for
generators and transformers
Thermal overload protection
Sensitive directional residual
overcurrent and power protection
Directional power protection
Current protection VCTR
Four step directional negative phase
sequence overcurrent protection - 2
blocks
Four step directional negative phase
sequence overcurrent protection - 3
blocks
Voltage protection, 1 bus
Voltage protection, 2 buses
Overexcitation protection, 2 winding
Overexcitation protection, 3 winding
Frequency protection - station
General current and voltage protection
Fuse failure supervision based on
voltage difference
Synchrocheck - 2 circuit breakers
Synchrocheck - 3 circuit breakers
Synchrocheck - 4 circuit breakers
Apparatus control 30 objects
Voltage control, single transformer
Voltage control, parallel transformers
Voltage control, single transformer, 2
control blocks
136
X
0
0
A
01
A
02
B1
2
B1
3
B1
4
C
05
C1
6
C1
7
C1
9
C
42
C
43
#3
D
01
D
02
D
03
D
0
4
E
01
F
02
G
03
H
01
H
02
H
03
H
0
9
1MRK 504 155-BEN F
Notes and Rules
All fields in the
ordering form do not
need to be filled in
Note: A01 only for
A40/B40, 2 blocks
already included
Note: A02, B12, B13 and
B14 not in A10 and A25.
Note: Only one of B12 /
B13 to be selected.
Note: Not in A10 and
A25, 1 block already
included in A10, A30
and B30. 2 blocks
already included in A40
and B40.
Note: C16 not in A10
Note: C17 not in
A10/A25
Note: Only for A25
Note: Only for
A10/A30/B30
Note: Only for
A40/B40
Note: D01 only for A10,
A30 and B30, 1 block
already included in A30
and B30
Note: D02 only for A25,
A40 and B40, 2 blocks
already included in A40
and B40
Note: Only for A30 and
B30
Note: Only for A40 and
B40
Note: E01 not in A25
Note: F02 not in
A10/A25
Note: Only for B30
1 block already
included in B30
Note: Only for A40
1 block already
included in A40
Note: Only for B40
1 block already
included in B40
Note: H09 not in A10
H Note: Only one of H11/
11 H15. H11/H15 not in
A10/A25 Note: H16,
H
H18 only for
15
A25/A40/B40
H
2 blocks of H16/H18
16
already included in A25
ABB