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4
Technical Data
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
4.2
Protection Interfaces and Connections
4.3
87 Differential Protection Phase Comparison Protection
4.4
Ground Fault Differential Protection in Grounded Systems
4.5
Ground Fault Differential Protection in Resonant-grounded / Isolated Systems
4.6
Breaker Intertrip and Remote Tripping- Direct Local Trip
4.7
Time Overcurrent Protection
4.8
Inrush Current Restraint Breaker Intertrip and Remote Tripping
4.9
Circuit-Breaker Failure Protection (Optional)
4.10
Thermal Overload Protection 49
4.11
Voltage Protection (Optional)
4.12
Frequency Protection (Optional)
4.13
Automatic Reclosing (Optional)
4.14
Transmission of Binary Information and Commands
4.15
Monitoring Functions
4.16
Flexible Protection Functions
4.17
User-defined Functions (CFC)
4.18
Additional Functions
4.19
Dimensions
SIPROTEC 4, 7SD80, Manual
E50417-G1100-C474-A2, Edition 02.2018
250
259
261
264
265
266
267
274
275
276
278
281
282
283
284
286
289
293
296
249
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