Siemens SIPROTEC 7SJ62 Instruction Manual page 141

Functions
7SJ62 Manual
C53000-G1140-C121-1
This chapter describes the numerous functions available on the SIPROTEC
relay. The setting options for each function are defined, including instructions for re-
porting setting values and formulas where required.
6.1 General
6.2 Overcurrent Protection (50, 50N, 51, 51N)
6.3 Directional Overcurrent Protection (67, 67N)
6.4 Dynamic Cold Load Pick-Up Function (50c, 50Nc, 51Nc, 67c, 67Nc)
6.5 Inrush Restraint
6.6 Sensitive Ground Fault Detection (64, 50Ns, 67Ns)
6.7 Negative Sequence Protection (46)
6.8 Motor Starting Protection (48)
6.9 Thermal Overload Protection (49)
6.10 Start Inhibit for Motors (66/68)
6.11 Voltage Protection (27, 59)
6.12 Frequency Protection (81 O/U)
6.13 Breaker Failure Protection (50BF)
6.14 Automatic Reclosing System (79M)
6.15 Fault Location
6.16 Phase Rotation
6.17 Monitoring Functions
6.18 Protection Function Logic
6.19 Auxiliary Functions
6.20 Breaker Control
6
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7SJ62
6-3
6-18
6-40
6-62
6-69
6-73
6-86
6-94
6-99
6-106
6-111
6-120
6-124
6-129
6-143
6-147
6-148
6-162
6-167
6-175
6-1