6-17SA6 Manual
C53000-G1176-C133-1
Functions 6
This chapter describes the numerous functions available in the SIPROTEC
®
7SA6
relay. The setting options for each function are defined, including instructions for
reporting setting values and formulae where required.
6.1 General 6-2
6.2 Distance Protection 6-28
6.3 Measures to Be Taken in Case of Power Swings 6-71
6.4 Teleprotection Schemes with Distance Protection 6-75
6.5 Earth Fault Protection in Earthed Systems 6-102
6.6 Earth Fault Protection Teleprotection Schemes 6-121
6.7 Weak-Infeed Tripping 6-135
6.8 External Direct and Remote Tripping 6-139
6.9 Overcurrent Protection 6-141
6.10 High-Current Switch-On-To-Fault Protection 6-157
6.11 Earth Fault Detection in Non-earthed Systems 6-159
6.12 Automatic Reclosure Function 6-167
6.13 Synchronism and Voltage Check (Dead-line / Dead-bus check) 6-197
6.14 Voltage Protection 6-207
6.15 Fault Location 6-221
6.16 Circuit Breaker Failure Protection 6-227
6.17 Thermal Overload Protection 6-244
6.18 Analog Outputs 6-248
6.19 Monitoring Functions 6-253
6.20 Function Control 6-268
6.21 Supplementary Functions 6-283
6.22 Processing of Commands 6-295
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