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Siemens SIPROTEC 7SD80 User Manual

Siemens SIPROTEC 7SD80
416 pages
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SIPROTEC
Line Differential Protection
7SD80
V4.6
Manual
E50417-G1140-C474-A1
Preface
Contents
Introduction 1
Functions 2
Mounting and Commissioning 3
Technical Data 4
Appendix A
Literature
Glossary
Index

Table of Contents

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Siemens SIPROTEC 7SD80 Specifications

General IconGeneral
Rated Current1 A or 5 A
Rated Frequency (fn)50 Hz or 60 Hz
Binary InputsUp to 24
DisplayGraphical LCD
HousingMetal
Line ProtectionYes
Device TypeProtection Device
Current Input1 A / 5 A
Communication InterfacesIEC 61850
Protection FunctionsOvercurrent protection
Mounting TypePanel Mount
Power Supply24 V DC to 250 V DC / 110 V AC to 230 V AC
Fiber Optic CommunicationYes
Operating Temperature-25°C to +55°C
Ingress ProtectionIP54

Summary

Functions

2.2 Phase Comparison Protection and Ground Differential Protection

Details differential protection principles, topology, and logic for phase and ground faults.

2.6 Circuit-Breaker Failure Protection 50BF

Explains protection against circuit breaker failure and its operational logic.

Mounting and Commissioning

3.1 Mounting and Connections

Provides instructions for physical installation, wiring, and configuration of connections.

3.3 Commissioning

Outlines the procedures for testing and commissioning the device and its functions.

Technical Data

4.3 87 Differential Protection Phase Comparison Protection

Details pickup values, operating times, and tolerances for differential protection.

Appendix

A.3 Connection Examples

Provides diagrams illustrating typical wiring configurations for current and voltage transformers.

A.8 Settings

A comprehensive list of device parameters, their functions, and default settings.

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