Siemens 7SR157 Argus, Руководство пользователя

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7SR157 Technical Manual
Chapter 1 - Page 2 of 38 © 2022 Siemens Protection Devices Limited
Contents
Section 1: Introduction ....................................................................................................................................... 5
Section 2: Hardware Description ........................................................................................................................ 9
2.1 General............................................................................................................................................. 9
2.2 Case ................................................................................................................................................. 9
2.3 Front Cover ..................................................................................................................................... 10
2.4 Power Supply Unit (PSU) ................................................................................................................ 11
2.5 Operator Interface/ Fascia ............................................................................................................... 12
2.6 Voltage Inputs ................................................................................................................................. 15
2.7 Binary Inputs ................................................................................................................................... 15
2.8 Binary Outputs (Output Relays) ....................................................................................................... 16
2.9 Virtual Input/Outputs........................................................................................................................ 17
2.10 Self Monitoring ................................................................................................................................ 18
2.10.1 Protection Healthy/Defective .............................................................................................. 19
Section 3: Voltage Monitoring Functions .......................................................................................................... 20
3.1 Voltage Levels (Live and Dead status) ............................................................................................. 20
3.1.1 VT Level Mode: 2 State...................................................................................................... 20
3.1.2 VT Level Mode: 3 State...................................................................................................... 21
3.3 Undervoltage Detector..................................................................................................................... 22
3.4 Differential Voltage Detector ............................................................................................................ 22
3.5 Voltage Trim (Magnitude and Phase) ............................................................................................... 22
Section 4: Control Functions ............................................................................................................................ 23
4.1 25 Check Sync ................................................................................................................................ 23
4.1.1 Close Guard ...................................................................................................................... 24
4.2 25 System Split Detector ................................................................................................................. 25
4.3 25 System Sync .............................................................................................................................. 26
4.4 25 Close On Zero ............................................................................................................................ 28
4.5 Synchronising Bypass ..................................................................................................................... 29
4.6 Quick Logic ..................................................................................................................................... 30
Section 5: Supervision Functions ..................................................................................................................... 32
5.1 VT Supervision (60 VTF) ................................................................................................................. 32
5.2 Demand Metering............................................................................................................................ 32
5.3 Close Circuit Supervision (74CCS) .................................................................................................. 32
Section 6: Other Features ................................................................................................................................ 33
6.1 Data Communications ..................................................................................................................... 33
6.2 IEC 61850 Communications ............................................................................................................ 33
6.3 Data Storage................................................................................................................................... 34
6.3.1 General ............................................................................................................................. 34
6.3.2 Event Records ................................................................................................................... 34
6.3.3 Waveform Records. ........................................................................................................... 34
6.3.4 Fault Data Records ............................................................................................................ 34
6.3.5 Disk Activity Warning ......................................................................................................... 35
6.4 Instruments ..................................................................................................................................... 35
6.5 Operating Mode .............................................................................................................................. 36
6.6 Real Time Clock .............................................................................................................................. 37
6.6.1 Time Synchronisation – Data Communication Interface....................................................... 37
6.6.2 Time Synchronisation – Binary Input .................................................................................. 37
6.7 Settings Groups .............................................................................................................................. 37
6.8 Password Feature ........................................................................................................................... 38