317UT613/63x Manual
C53000-G1176-C160-2
Functions 2
This chapter describes the individual functions available on the SIPROTEC
4 device
7UT613/63x. It shows the setting possibilities for each function in maximum configu-
ration. Guidelines for establishing setting values and, where required, formulae are
given.
Additionally, on the basis of the following information, it may be defined which
functions are to be used.
2.1 General 33
2.2 Differential Protection 104
2.3 Restricted Earth Fault Protection 138
2.4 Time Overcurrent Protection for Phase and Residual Currents 150
2.5 Time Overcurrent Protection for Earth Current 179
2.6 Dynamic Cold Load Pickup for Time Overcurrent Protection 191
2.7 Single-Phase Time Overcurrent Protection 196
2.8 Unbalanced Load Protection 206
2.9 Thermal Overload Protection 220
2.10 RTD-Boxes for Overload Detection 232
2.11 Overexcitation Protection 239
2.12 Reverse Power Protection 245
2.13 Forward Power Supervision 250
2.14 Undervoltage Protection 255
2.15 Overvoltage Protection 259
2.16 Frequency Protection 263
2.17 Circuit Breaker Failure Protection 268
2.18 External Trip Commands 276
2.19 Monitoring Functions 279
2.20 Protection Function Control 294
2.21 Disconnection of Measuring Locations 297
2.22 Additional Functions 300