Functions - Siemens SIPROTEC 7SJ62 Manual

Functions

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
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
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
2.18 Reverse-Power Protection Application with Flexible Protection Function
2.19 Synchronization Function
2.20 Temperature Detection via RTD Boxes
2.21 Phase Rotation
2.22 Function Logic
2.23 Auxiliary Functions
2.24 Protection for Single-phase Voltage Transformer Connection
2.25 Breaker Control
SIPROTEC, 7SJ62/64, Manual
C53000-G1140-C207-2, Release date 01.2008
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63
96
122
129
140
151
159
182
187
197
219
243
250
274
278
284
296
305
323
332
334
336
373
378
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