ABB RET615 - Page 4

Table 2. Supported functions
Functionality A B C D E F G H
Protection
1)
Stabilized and instantaneous differential
protection for two-winding transformers
● ● ● ● ● ● ● ●
Multi-purpose protection, instance 1
2)
o
3)
o
3)
o
3)
o
3)
- - - -
Multi-purpose protection, instance 2
2)
o
3)
o
3)
o
3)
o
3)
- - - -
Multi-purpose protection, instance 3
2)
o
3)
o
3)
o
3)
o
3)
- - - -
Multi-purpose protection, instance 4
2)
o
3)
o
3)
o
3)
o
3)
- - - -
Multi-purpose protection, instance 5
2)
o
3)
o
3)
o
3)
o
3)
- - - -
Multi-purpose protection, instance 6
2)
o
3)
o
3)
o
3)
o
3)
- - - -
Master trip, instance 1 ● ● ● ● ● ● ● ●
Master trip, instance 2 ● ● ● ● ● ● ● ●
HV-side protection
Numerical stabilized low impedance restricted
earth-fault protection
● - - - ● - - -
High impedance based restricted earth-fault
protection
- - ● - - - ● -
Three-phase non-directional overcurrent
protection, low stage, instance 1
● ● ● ● ● ● ● ●
Three-phase non-directional overcurrent
protection, high stage, instance 1
● ● ● ● ● ● ● ●
Three-phase non-directional overcurrent
protection, instantaneous stage, instance 1
● ● ● ● ● ● ● ●
Non-directional earth-fault protection, low
stage, instance 1
●
4)
-
●
5)
-
●
4)
-
●
5)
-
Non-directional earth-fault protection, high
stage, instance 1
●
4)
-
●
5)
-
●
4)
-
●
5)
-
Negative-sequence overcurrent protection,
instance 1
● ● ● ● ● ● ● ●
Residual overvoltage protection, instance 1 - - - -
●
6)
●
6)
●
6)
●
6)
Residual overvoltage protection, instance 2 - - - -
●
6)
●
6)
●
6)
●
6)
Three-phase undervoltage protection, instance
1
- - - - ● ● ● ●
Three-phase undervoltage protection, instance
2
- - - - ● ● ● ●
Three-phase overvoltage protection, instance 1 - - - - ● ● ● ●
Three-phase overvoltage protection, instance 2 - - - - ● ● ● ●
Three-phase thermal overload protection for
power transformers, two time constants
● ● ● ● ● ● ● ●
Transformer Protection and Control 1MRS756891 F
RET615
Product version: 4.0
4 ABB