SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
33
Functions 2
This chapter describes the numerous functions available on the SIPROTEC
4 device 7SJ62/64. It shows the
setting possibilities for each function in maximum configuration. Information with regard to the determination of
setting values as well as formulas, if required, are also provided.
Based on the following information, it can also be determined which of the provided functions should be used.
2.1 General 34
2.2 Overcurrent Protection 50, 51, 50N, 51N 63
2.3 Directional Overcurrent Protection 67, 67N 96
2.4 Dynamic Cold Load Pickup 122
2.5 Single-Phase Overcurrent Protection 129
2.6 Voltage Protection 27, 59 140
2.7 Negative Sequence Protection 46 151
2.8 Motor Protection 159
2.9 Frequency Protection 81 O/U 182
2.10 Thermal Overload Protection 49 187
2.11 Monitoring Functions 197
2.12 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s) 219
2.13 Intermittent Ground Fault Protection 243
2.14 Automatic Reclosing System 79 250
2.15 Fault Locator 274
2.16 Breaker Failure Protection 50BF 278
2.17 Flexible Protection Functions 284
2.18 Reverse-Power Protection Application with Flexible Protection Function 296
2.19 Synchronization Function 305
2.20 Temperature Detection via RTD Boxes 323
2.21 Phase Rotation 332
2.22 Function Logic 334
2.23 Auxiliary Functions 336
2.24 Protection for Single-phase Voltage Transformer Connection 373
2.25 Breaker Control 378
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