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.
General
Overcurrent Protection 50, 51, 50N, 51N
Directional Overcurrent Protection 67, 67N
Dynamic Cold Load Pickup
Single-Phase Overcurrent Protection
Voltage Protection 27, 59
Negative Sequence Protection 46
Motor Protection
Frequency Protection 81 O/U
Thermal Overload Protection 49
Monitoring Functions
Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
Intermittent Ground Fault Protection
Automatic Reclosing System 79
Fault Locator
Breaker Failure Protection 50BF
Flexible Protection Functions
Reverse-Power Protection Application with Flexible Protection Function
Synchronization Function
Temperature Detection via RTD Boxes
Phase Rotation
Function Logic
Auxiliary Functions
Protection for Single-phase Voltage Transformer Connection
Breaker Control
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