ABB RELION 630 Series Product Manual page 10

Generator Protection and Control
REG630
Product version: 1.3
Table 2. Functions used in preconfigurations
Description
Protection
Three-phase non-directional overcurrent protection, low stage
Three-phase non-directional overcurrent protection, high stage
Three-phase non-directional overcurrent protection, instantaneous stage
Voltage dependent overcurrent protection
Three-phase directional overcurrent protection, low stage
Three-phase directional overcurrent protection, high stage
Non-directional earth-fault protection, low stage
Non-directional earth-fault protection, high stage
Non-directional earth-fault protection, instantaneous stage
Directional earth-fault protection, low stage
Directional earth-fault protection, high stage
Third harmonic based stator earth-fault protection
High-impedance based restricted earth-fault protection
Rotor earth-fault protection
Negative-sequence overcurrent protection for machines
Three-phase thermal overload protection, two time constants
Three-phase current inrush detection
Transformer differential protection for two-winding transformers
High-impedance or flux-balance based differential protection for machines
Stabilized differential protection for machines
Three-phase overvoltage protection
Three-phase undervoltage protection
Positive-sequence overvoltage protection
Positive-sequence undervoltage protection
Negative-sequence overvoltage protection
Residual overvoltage protection
Directional reactive power undervoltage protection
Reverse power/directional overpower protection
Underpower protection
Frequency gradient protection
Overfrequency protection
Underfrequency protection
Low voltage ride through protection function
Overexcitation protection
Voltage vector shift protection
Three-phase underexcitation protection
10
1MRS757583 C
A n
1 1
1 2
- 1
2 2
- 2
- 1
- 1
- 1
- 1
1 2
1 1
- 1
- 1
- 1
2 2
1 1
- 1
- 1
- 1
1 1
2 2
2 2
- 2
- 2
- 2
2 3
- 2
2 3
2 3
2 4
2 4
2 4
- 3
- 2
- 1
2 2
ABB