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Siemens Argus 7SR21 - Table of Contents

Siemens Argus 7SR21
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7SR220 Settings Guide
Unrestricted ©2018 Siemens Protection Devices Limited Page 3 of 107
Contents
Document Release History .............................................................................................................. 2
Software Revision History ............................................................................................................... 2
1. Function Diagram .................................................................................................................... 6
2. Menu Structure ........................................................................................................................ 7
3. Relay Settings .......................................................................................................................... 8
3.1. System Config ................................................................................................................. 8
3.2. CT/VT Config .................................................................................................................. 9
3.3. Function Config ............................................................................................................ 10
3.4. Current Prot’n................................................................................................................ 12
3.4.1. Phase Overcurrent ............................................................................................ 12
3.4.1.1. 51-1 ......................................................................................................... 12
3.4.1.2. 51-2 ......................................................................................................... 13
3.4.1.3. 51-3 ......................................................................................................... 14
3.4.1.4. 51-4 ......................................................................................................... 15
3.4.1.5. 50-1 ......................................................................................................... 15
3.4.1.6. 50-2 ......................................................................................................... 16
3.4.1.7. 50-3 ......................................................................................................... 16
3.4.1.8. 50-4 ......................................................................................................... 17
3.4.2. Voltage Controlled O/C .................................................................................... 17
3.4.3. Cold Load........................................................................................................... 18
3.4.4. Derived E/F ........................................................................................................ 19
3.4.4.1. 51N-1 ...................................................................................................... 19
3.4.4.2. 51N-2 ...................................................................................................... 20
3.4.4.3. 51N-3 ...................................................................................................... 20
3.4.4.4. 51N-4 ...................................................................................................... 21
3.4.4.5. 50N-1 ...................................................................................................... 22
3.4.4.6. 50N-2 ...................................................................................................... 22
3.4.4.7. 50N-3 ...................................................................................................... 22
3.4.4.8. 50N-4 ...................................................................................................... 23
3.4.5. Measured E/F .................................................................................................... 23
3.4.5.1. 51G-1 ...................................................................................................... 23
3.4.5.2. 51G-2 ...................................................................................................... 24
3.4.5.3. 51G-3 ...................................................................................................... 25
3.4.5.4. 51G-4 ...................................................................................................... 25
3.4.5.5. 50G-1 ...................................................................................................... 26
3.4.5.6. 50G-2 ...................................................................................................... 26
3.4.5.7. 50G-3 ...................................................................................................... 26
3.4.5.8. 50G-4 ...................................................................................................... 27
3.4.6. Sensitive E/F ..................................................................................................... 27
3.4.6.1. 51SEF-1 .................................................................................................. 27
3.4.6.2. 51SEF-2 .................................................................................................. 28
3.4.6.3. 51SEF-3 .................................................................................................. 28
3.4.6.4. 51SEF-4 .................................................................................................. 29

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