Functions - Siemens siprotec SJ62 User Manual

Functions

SIPROTEC 4, 7SJ62/63/64 Handbuch
C53000-G1140-C147-A, Edition 07.2015
This chapter describes the various functions of the SIPROTEC 4 device 7SJ62/63/64.
It shows the setting options to each function in maximum configuration and provides
information on how to determine the setting values and, if required, formulas.
The following information also allows you to specify which of the available functions to
use.
2.1 General
2.2 Overcurrent Protection 50, 51, 50N, 51N
2.3 Directional Overcurrent Protection 67, 67N
2.4 Dynamic Cold Load Pickup
2.5 Single-Phase Overcurrent Protection
2.6 Voltage Protection 27, 59
2.7 Negative Sequence Protection 46
2.8 Motor Protection (Motor Starting Protection 48, Motor Restart Inhibit 66) 154
2.9 Frequency Protection 81 O/U
2.10 Thermal Overload Protection 49
2.11 Monitoring Functions
2.12 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
2.13 Intermittent Ground Fault Protection
2.14 Automatic Reclosing System 79
2.15 Fault Locator
2.16 Breaker Failure Protection 50BF
2.17 Flexible Protection Functions (7SJ64 only)
2.18 Reverse-Power Protection Application with Flexible Protection Function 274
2.19 Synchronism and Voltage Check 25 (7SJ64 only)
2.20 Temperature Detection via RTD Boxes
2.21 Phase Rotation
2.22 Function Logic
2.23 Auxiliary Functions
2
36
59
87
117
123
134
146
171
175
185
200
220
228
254
257
262
283
301
310
312
314
34