6-17SA6 Manual
C53000-G1176-C156-2
Functions 6
This chapter describes the numerous functions available in the SIPROTEC
®
7SA6 re-
lay. The setting options for each function are defined, including instructions for report-
ing setting values and formulae where required.
6.1 General 6-2
6.2 Distance Protection 6-29
6.3 Measures to Be Taken in Case of Power Swings (optional) 6-72
6.4 Protection Data Interfaces and Protection Data Topology (optional) 6-78
6.5 Transmission of Binary Information (optional) 6-86
6.6 Teleprotection Schemes with Distance Protection 6-89
6.7 Earth Fault Protection in Earthed Systems (optional) 6-121
6.8 Earth Fault Protection Teleprotection Schemes (optional) 6-139
6.9 Weak-Infeed Tripping 6-156
6.10 External Direct and Remote Tripping 6-160
6.11 Overcurrent Protection 6-162
6.12 High-Current Switch-On-To-Fault Protection 6-178
6.13 Earth Fault Detection in Non-Earthed Systems 6-180
6.14 Automatic Reclosure Function (optional) 6-188
6.15 Synchronism and Voltage Check (optional) 6-217
6.16 Voltage Protection (optional) 6-227
6.17 Fault Location 6-242
6.18 Circuit Breaker Failure Protection (optional) 6-248
6.19 Thermal Overload Protection 6-265
6.20 Analog Outputs (optional) 6-269
6.21 Monitoring Functions 6-274
6.22 Function Control 6-292
6.23 Supplementary Functions 6-306
6.24 Processing of Commands 6-318
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