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 determina-
tion 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
Overcurrent Protection 50, 51, 50N, 51N
Directional Overcurrent Protection 67, 67N
Single-Phase Overcurrent Protection
Negative Sequence Protection 46
Thermal Overload Protection 49
Ground Fault Protection 64, 67N(s), 50N(s), 51N(s)
Intermittent Ground Fault Protection
Dir. Intermittent earth fault protection
Breaker Failure Protection 50BF
Reverse-Power Protection Application with Flexible Protection Function
Temperature Detection via RTD Boxes
Protection for Single-phase Voltage Transformer Connection
2
SIPROTEC 4, 7SJ62/64, Manual
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C53000-G1140-C207-8, Edition 08.2016
Summary of Contents for SIPROTEC 4
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