3.2.2 Checking the System Connections............................................................................. 414
3.3 Commissioning............................................................................................................... 417
3.3.1 Test Mode and Transmission Block.............................................................................418
3.3.2 Testing the System Interface .....................................................................................418
3.3.3 Checking the Status of Binary Inputs and Outputs...................................................... 419
3.3.4 Tests for Breaker Failure Protection............................................................................ 422
3.3.5 Testing User-Defined Functions..................................................................................424
3.3.6 Current, Voltage, and Phase Rotation Testing............................................................. 424
3.3.7 Test for High Impedance Protection........................................................................... 425
3.3.8 Testing the Reverse Interlocking Scheme....................................................................425
3.3.9 Direction Check with Load Current.............................................................................426
3.3.10 Polarity Check for Voltage Input V
4
(ony 7SJ623, 7SJ624, 7SJ625, 7SJ626 and
7SJ64).......................................................................................................................427
3.3.11 Ground Fault Check................................................................................................... 429
3.3.12
Polarity Check for Current Input Ι
E
..............................................................................429
3.3.13 Checking the Temperature Detection......................................................................... 431
3.3.14 Measuring the Operating Time of the Circuit Breaker (only 7SJ64)..............................433
3.3.15 Trip/Close Tests for the Configured Operating Devices................................................ 433
3.3.16 Creating Oscillographic Recordings for Tests.............................................................. 434
3.4 Final Preparation of the Device........................................................................................436
4 Technical Data.......................................................................................................................................... 437
4.1 General Device Data........................................................................................................438
4.1.1 Analog Inputs............................................................................................................438
4.1.2 Auxiliary Voltage....................................................................................................... 438
4.1.3 Binary Inputs and Outputs......................................................................................... 439
4.1.4 Communication Interfaces.........................................................................................441
4.1.5 Electrical Tests...........................................................................................................445
4.1.6 Mechanical Tests....................................................................................................... 447
4.1.7 Climatic Stress Tests.................................................................................................. 447
4.1.8 Service Conditions..................................................................................................... 448
4.1.9 Certifications............................................................................................................. 448
4.1.10 Constructive Designs................................................................................................. 448
4.2 Definite-time Overcurrent Protection...............................................................................450
4.3 Inverse-time Overcurrent Protection................................................................................452
4.4 Directional Overcurrent Protection.................................................................................. 462
4.5 Inrush Restraint...............................................................................................................464
4.6 Dynamic Cold Load Pickup...............................................................................................465
4.7 Single-phase Overcurrent Protection............................................................................... 466
4.8 Voltage Protection.......................................................................................................... 467
4.9 Negative Sequence Protection (definite-time characteristic).............................................469
4.10 Negative Sequence Protection (inverse-time characteristics)............................................470
4.11 Motor Starting Time Supervision..................................................................................... 476
4.12 Motor Restart Inhibit....................................................................................................... 477
4.13 Load Jam Protection........................................................................................................478
4.14 Frequency Protection...................................................................................................... 479
Table of Contents
SIPROTEC 4, 7SJ62/64, Manual 15
C53000-G1140-C207-8, Edition 08.2016