ABB REG650 Technical Manual page 11
Generator protection
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Also See for REG650:
- Technical manual (728 pages) ,
- Commissioning manual (144 pages) ,
- Product manual (73 pages)
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Technical Manual
External polarizing for earth-fault function............................160
Base quantities within the protection....................................160
Internal earth-fault protection structure................................160
Four residual overcurrent steps............................................161
directional comparison function............................................162
Technical data...........................................................................164
SDEPSDE .....................................................................................165
Identification..............................................................................165
Functionality..............................................................................165
Function block...........................................................................166
Signals.......................................................................................166
Settings......................................................................................167
Monitored data...........................................................................168
Operation principle ...................................................................168
Function inputs.....................................................................168
φ...........................................................................................169
Directional residual power protection measuring 3I
· cos φ...........................................................................171
0
and φ....................................................................................172
Directional functions.............................................................173
Non-directional earth fault current protection.......................173
Residual overvoltage release and protection.......................173
Technical data...........................................................................175
Thermal overload protection, two time constants TRPTTR ...........176
Identification .............................................................................176
Functionality..............................................................................176
Function block...........................................................................177
Signals.......................................................................................177
Settings......................................................................................178
Monitored data...........................................................................179
Operation principle....................................................................179
Technical data...........................................................................183
Breaker failure protection CCRBRF ..............................................183
Identification..............................................................................183
Functionality..............................................................................183
Function block...........................................................................184
Signals.......................................................................................184
Settings......................................................................................185
Monitored data...........................................................................185
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