Functions - Siemens SIPROTEC 7SD80 Manual

Functions

This chapter describes the numerous functions available on the SIPROTEC 4 device 7SD80. It shows the
setting possibilities for each function in maximum configuration. Information with regard to the determination of
setting values as well as formulas, if required, are also provided.
Based on the following information, it can also be determined which of the provided functions should be used.
2.1 General
2.2 Phase Comparison Protection and Ground Differential Protection
2.3 Breaker Intertrip and Remote Tripping
2.4 Backup Overcurrent
2.5 Inrush Restraint
2.6 Circuit-Breaker Failure Protection 50BF
2.7 Thermal Overload Protection 49
2.8 Undervoltage and Overvoltage Protection 27/59 (Optional)
2.9 Frequency Protection 81 (Optional)
2.10 Direct Local Trip
2.11 Automatic Reclosure Function 79 (Optional)
2.12 Circuit-Breaker Test
2.13 Direct Remote Trip and Transmission of Binary Information
2.14 Monitoring Functions
2.15 Flexible Protection Functions
2.16 Function Control
2.17 Additional Functions
2.18 Breaker Control
2.19 Notes on Device Operation
SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
2
28
52
75
78
98
101
112
116
133
139
141
155
161
163
183
194
199
214
229
27