SIPROTEC, 7SD80, Manual
E50417-G1140-C474-A1, Release date 09.2011
281
Technical Data 4
This chapter provides the technical data of the device SIPROTEC 7SD80 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 282
4.2 Protection Interfaces and Connections 293
4.3 87 Differential Protection Phase Comparison Protection 296
4.4 Ground Fault Differential Protection in Grounded Systems 299
4.5 Ground Fault Differential Protection in Resonant-grounded / Isolated Systems 300
4.6 Breaker Intertrip and Remote Tripping- Direct Local Trip 301
4.7 Time Overcurrent Protection 302
4.8 Inrush Current Restraint Breaker Intertrip and Remote Tripping 309
4.9 Circuit-Breaker Failure Protection (Optional) 310
4.10 Thermal Overload Protection 49 311
4.11 Voltage Protection (Optional) 313
4.12 Frequency Protection (Optional) 316
4.13 Automatic Reclosing (Optional) 317
4.14 Transmission of Binary Information and Commands 318
4.15 Monitoring Functions 319
4.16 Flexible Protection Functions 321
4.17 User-defined Functions (CFC) 324
4.18 Additional Functions 328
4.19 Dimensions 330