Siemens siprotec 7SJ63 User Manual

xii 7SJ63 Instruction Manual
C53000-G1140-C120-1
9.4 Troubleshooting...................................................................................................................9-8
9.5 Corrective Action/Repairs..................................................................................................9-10
9.5.1 Software Procedures......................................................................................................... 9-10
9.5.2 Hardware Procedures........................................................................................................9-10
9.6 Return................................................................................................................................ 9-14
10 Technical Data.................................................................................................................................10-1
10.1 General Device Data .........................................................................................................10-2
10.1.1 Analog Inputs and Outputs................................................................................................ 10-2
10.1.2 Power Supply.....................................................................................................................10-2
10.1.3 Binary Inputs and Outputs ................................................................................................. 10-3
10.1.4 Communications Interfaces ...............................................................................................10-5
10.1.5 Electrical Tests ..................................................................................................................10-7
10.1.6 Mechanical Stress Tests....................................................................................................10-9
10.1.7 Climatic Stress Tests.......................................................................................................10-10
10.1.8 Service Conditions...........................................................................................................10-10
10.1.9 Construction.....................................................................................................................10-11
10.2 Definite-Time Overcurrent Protection (50 and 50N Elements)........................................10-12
10.3 Inverse-Time Overcurrent Protection (51 and 51N Elements).........................................10-13
10.4 Directional Time Overcurrent Protection (67 and 67N Elements)....................................10-19
10.5 Dynamic Cold Load Pick-up Function (50c, 50Nc, 51Nc, 67c, 67Nc) .............................10-20
10.6 Inrush Restraint ...............................................................................................................10-20
10.7 Sensitive Ground Fault Detection (64, 50Ns, 67Ns)........................................................10-21
10.8 Negative Sequence Protection (46).................................................................................10-23
10.8.1 Definite–Time Elements (46-1 and 46-2).........................................................................10-23
10.8.2 Inverse–Time Elements (46-TOC)...................................................................................10-23
10.9 Motor Starting Protection (48)..........................................................................................10-28
10.10 Thermal Overload Protection (49) ...................................................................................10-29
10.11 Start Inhibit for Motors (66/68)......................................................................................... 10-31
10.12 Voltage Protection (27 and 59)........................................................................................10-32
10.13 Frequency Protection (81 Over-Frequency and Under-Frequency) ................................10-33
10.14 Breaker Failure Protection (50BF)...................................................................................10-34
10.15 Automatic Reclosing System (79M).................................................................................10-35
10.16 Fault Location.................................................................................................................. 10-36
10.17 Breaker Control................................................................................................................10-36
10.18 Additional Functions ........................................................................................................10-37
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Siemens siprotec 7SJ63 Specifications

General

Brand	Siemens
Model	siprotec 7SJ63
Category	Relays
Language	English