4217UT613/63x Manual
C53000-G1176-C160-2
Technical Data 4
This chapter provides the technical data of SIPROTEC 4 devices 7UT613, 7UT633,
7UT633 and their individual functions, including the limiting values that must not be
exceeded under any circumstances. The electrical and functional data for devices
equipped with all options are followed by the mechanical data with dimensional draw-
ings.
4.1 General 422
4.2 Differential Protection 435
4.3 Restricted earth fault protection 441
4.4 Time Overcurrent Protection for Phase and Residual Currents 442
4.5 Time Overcurrent Protection for Earth Current (Starpoint Current) 453
4.6 Dynamic Cold Load Pickup for Time Overcurrent Protection 455
4.7 Single-Phase Time Overcurrent Protection 456
4.8 Unbalanced Load Protection 457
4.9 Thermal Overload 465
4.10 RTD Boxes for Overload Detection 468
4.11 Overload Protection 469
4.12 Reverse Power Protection 471
4.13 Forward active power supervision 472
4.14 Undervoltage Protection 474
4.15 Overvoltage Protection (ANSI 59) 475
4.16 Frequency Protection 476
4.17 Circuit Breaker Failure Protection 478
4.18 External Trip Commands 479
4.19 Monitoring Functions 480
4.20 User-defined Functions (CFC) 481
4.21 Flexible Protection Functions 485
4.22 Additional Functions 487
4.23 Dimensions 491
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