SIPROTEC, 7SK80, Manual
E50417-G1140-C344-A4, Release date 08.2010
333
Technical Data 4
This chapter provides the technical data of the device SIPROTEC 7SK80 and its individual functions, including
the limit values that may not be exceeded under any circumstances. The electrical and functional data for the
maximum functional scope are followed by the mechanical specifications with dimensioned drawings.
4.1 General Device Data 334
4.2 Definite-Time Overcurrent Protection 50(N) 345
4.3 Inverse-Time Overcurrent Protection 51(N) 347
4.4 Directional Ground Overcurrent Protection 67N 358
4.5 Inrush Restraint 359
4.6 Dynamic Cold Load Pickup 360
4.7 Voltage Protection 27, 59 361
4.8 Negative Sequence Protection 46-1, 46-2 363
4.9 Negative Sequence Protection 46-TOC 364
4.10 Motor Starting Protection 48 370
4.11 Motor Restart Inhibit 66 371
4.12 Load Jam Protection 372
4.13 Frequency Protection 81 O/U 373
4.14 Thermal Overload Protection 49 374
4.15 Ground Fault Protection 64, 67N(s), 50N(s), 51N(s) 376
4.16 Breaker Failure Protection 50BF 379
4.17 Flexible Protection Functions 380
4.18 Temperature Detection 383
4.19 User-defined Functions (CFC) 385
4.20 Additional Functions 390
4.21 Breaker Control 395
4.22 Dimensions 396
To Next Page
Loading...
