317SA522 Manual
C53000-G1176-C155-3
Functions 2
This chapter describes the numerous functions available on the SIPROTEC
®
4
7SA522. It shows the setting possibilities for all the functions in maximum configura-
tion. Instructions for deriving setting values and formulae, where required are
provided.
Additionally it may be defined which functions are to be used.
2.1 General 32
2.2 Distance protection 62
2.3 Power swing detection (optional) 108
2.4 Protection data interfaces and communication topology (optional) 115
2.5 Remote signals via protection data interface (optional) 124
2.6 Teleprotection for distance protection 127
2.7 Earth fault overcurrent protection in earthed systems (optional) 151
2.8 Teleprotection for earth fault overcurrent protection (optional) 176
2.9 Weak-infeed tripping 196
2.10 External direct and remote tripping 206
2.11 Overcurrent protection 208
2.12 Instantaneous high-current switch-on-to-fault protection (SOTF) 224
2.13 Automatic reclosure function (optional) 227
2.14 Synchronism and voltage check (optional) 259
2.15 Undervoltage and overvoltage protection (optional) 271
2.16 Frequency protection (optional) 288
2.17 Fault locator 294
2.18 Circuit breaker failure protection (optional) 299
2.19 Monitoring function 314
2.20 Function control and circuit breaker testing 330
2.21 Auxiliary functions 346
2.22 Command processing 362
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