Siemens 7SC80 Manual page 18

Table of Contents
4.7
4.8
4.9
4.10
4.11
4.12
4.13
4.14
4.15
4.16
4.17
4.18
4.19
4.20
4.21
4.22
4.23
4.24
4.25
4.25.1
4.25.2
4.26
4.26.1
4.26.2
4.26.3
A Ordering Information and Accessories.....................................................................................................583
A.1
A.2
A.3
B Terminal Assignments.............................................................................................................................. 591
B.1
C Connection Examples............................................................................................................................... 599
C.1
D Current Transformer Requirements......................................................................................................... 605
D.1
D.2
E Default Settings and Protocol-dependent Functions............................................................................... 609
E.1
E.2
E.3
E.4
E.5
18
Single-Phase Overcurrent Protection................................................................................531
Voltage Protection 27, 59................................................................................................532
Negative Phase Sequence Overvoltage Protection............................................................534
Voltage Protection for Vx.................................................................................................535
Negative Sequence Protection 46-1, 46-2 (Definite Time Characteristic)...........................536
Negative Sequence Protection 46-TOC (Inverse Time Characteristic)................................ 537
Frequency Protection 81................................................................................................. 543
Thermal Overload Protection........................................................................................... 544
Ground Fault Detection (Sensitive/Insensitive)................................................................. 546
Automatic Reclosing Function ........................................................................................ 553
Sectionalizer................................................................................................................... 554
Fault Locator...................................................................................................................556
Breaker Failure Protection 50BF....................................................................................... 557
Flexible Protection Functions...........................................................................................558
Synchronization Function................................................................................................561
User-defined Functions (CFC).......................................................................................... 563
Additional Functions....................................................................................................... 572
Switching Device Control................................................................................................ 576
Additional Applications with 6 Voltage Inputs.................................................................. 577
Voltage Protection 27, 59 of Side 2............................................................................ 577
Frequency Protection 81 of Side 2..............................................................................578
Dimensions.....................................................................................................................580
Feeder Protection and Recloser Controller 7SC80....................................................... 580
HMI........................................................................................................................... 581
Varistor..................................................................................................................... 581
Ordering Information 7SC802 ........................................................................................ 584
Ordering Information 7SC803 ........................................................................................ 587
Accessories..................................................................................................................... 590
7SC80 - Housing for cabinet flush mounting and cabinet surface mounting .................. 592
Connection Examples for Current and Voltage Transformers............................................ 600
Accuracy limiting factors................................................................................................. 606
Class conversion............................................................................................................. 607
LEDs............................................................................................................................... 610
Binary Input.................................................................................................................... 611
Binary Output................................................................................................................. 612
Function Keys................................................................................................................. 613
Default Display................................................................................................................614
SIPROTEC Compact, 7SC80, Manual
E50417-G1140-C486-A8, Edition 07.2017