10-17SA6 Manual
C53000-G1176-C133-1
Technical Data 10
This chapter provides the technical data of the SIPROTEC
®
4 7SA6 device and its in-
dividual functions, including the limiting values that must not be exceeded under any
circumstances. The electrical and functional data of fully equipped 7SA6 devices are
followed by the mechanical data, with dimensional drawings.
10.1 General Device Data 10-2
10.2 Distance Protection 10-12
10.3 Power Swing Supplement 10-14
10.4 Distance Protection Teleprotection Schemes 10-15
10.5 Earth Fault Protection in Earthed Systems 10-16
10.6 Earth Fault Protection Teleprotection Schemes 10-23
10.7 Weak-Infeed Tripping 10-23
10.8 External Direct and Remote Tripping 10-24
10.9 Overcurrent Protection 10-25
10.10 High-Current Switch-On-To-Fault Protection 10-28
10.11 Earth Fault Detection in a Non-Earthed System 10-28
10.12 Automatic Reclosure Function 10-29
10.13 Synchronism and Voltage Check (Dead-line / Dead-bus Check) 10-30
10.14 Voltage Protection 10-31
10.15 Fault Location 10-33
10.16 Circuit Breaker Failure Protection 10-33
10.17 Thermal Overload Protection 10-35
10.18 Monitoring Functions 10-37
10.19 Supplementary Functions 10-38
10.20 Dimensions 10-40
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