ABB REM630 Product Manual page 6

Motor Protection and Control
REM630
Product version: 1.1
Table 2. Functions used in preconfigurations. Column 'n' shows the total number of
available function instances regardless of the preconfiguration selected.
Functionality
Protection
Three-phase non-directional overcurrent, low stage
Three-phase non-directional overcurrent, instantaneous stage
Non-directional earth-fault protection, low stage
Non-directional earth-fault, high stage
Non-directional earth-fault, instantaneous stage
Directional earth-fault, low stage
Directional earth-fault, high stage
Rotor earth-fault protection
Negative-sequence overcurrent protection for motors
Phase reversal protection
Three-phase thermal overload for motors
Motor startup supervision
Motor load jam protection
Emergency start
Loss of load supervision
High-impedance or flux-balance-based differential protection
for machines
Stabilized differential protection for motors
Three-phase overvoltage
Three-phase undervoltage
Positive-sequence overvoltage
Positive-sequence undervoltage
Negative-sequence overvoltage
Residual overvoltage
1)
Frequency gradient
1)
Overfrequency
1)
Underfrequency
Three-phase underexcitation protection
6
1)
1)
1)
1MRS756977 D
Issued: 2011-05-18
A B n
1 1 1
1 1 1
1 1 1
1 1 1
- - 1
- - 1
- - 1
- - 1
2 2 2
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
1 1 1
- - 1
- 1 1
- - 2
- - 2
1 1 2
1 1 2
1 1 2
- - 3
- - 6
- - 3
- - 3
- - 2
ABB