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Siemens siprotec 7SA522 User Manual

Siemens siprotec 7SA522
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Table of contents
xv7SA522 Manual
C53000-G1176-C119-2
8.3.6.1 Teleprotection with Distance Protection. . . . . . . . . . . . . . . . . . . . . . . . . . . 8-33
8.3.6.2 Teleprotection with Earth Fault Protection . . . . . . . . . . . . . . . . . . . . . . . . . 8-35
8.3.6.3 Signal Transmission for the Overvoltage Protection . . . . . . . . . . . . . . . . . 8-36
8.3.6.4 Transfer trip signal transmission for breaker failure protection and/or stub
protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-37
8.3.6.5 Signal Transmission for Internal and External Remote Tripping . . . . . . . . 8-37
8.3.7 Checking the Binary Inputs and Outputs . . . . . . . . . . . . . . . . . . . . . . . . . . 8-38
8.3.8 Tests for the Circuit Breaker Failure Protection . . . . . . . . . . . . . . . . . . . . . 8-40
8.3.9 Testing User-Defined Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-42
8.3.10 Trip and Close Test with the Circuit Breaker . . . . . . . . . . . . . . . . . . . . . . . 8-42
8.3.11 Triggering Oscillographic Recordings . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-43
8.3.12 Generate Indications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-44
8.4 Final Preparation of the Device . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-46
9 Routine Checks and Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-1
9.1 General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-2
9.2 Routine Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-3
9.3 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
9.3.1 Replacing the Buffer Battery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-4
9.4 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-7
9.5 Corrective Action / Repairs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
9.5.1 Software Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
9.5.2 Hardware Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-9
9.6 Return . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9-13

Table of Contents

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Siemens siprotec 7SA522 Specifications

General IconGeneral
BrandSiemens
Modelsiprotec 7SA522
CategoryProtection Device
LanguageEnglish

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