Siemens 7SA511 사용자 설명서
7SA511 Line Protection Relay
Chapter 4
July 27, 1995
4-1
Installation
Table of Contents
4. Installation .......................................................................................................................... 4-3
4.1 Receiving and Handling the Relay.......................................................................... 4-3
4.2 Storing the Relay ................................................................................................... 4-4
4.3 Preparing the Relay for Installation ........................................................................ 4-4
4.2 Storing the Relay ................................................................................................... 4-4
4.3 Preparing the Relay for Installation ........................................................................ 4-4
4.3.1 Removing the Relay’s Front Cover.......................................................... 4-5
4.3.2 Removing/Installing Relay Modules......................................................... 4-5
4.3.2 Removing/Installing Relay Modules......................................................... 4-5
4.4 Printed Circuit Board Locations............................................................................. 4-7
4.5 Changing the Binary Input Voltage Range ............................................................. 4-7
4.6 Installing the Backup Battery................................................................................. 4-8
4.7 Mounting the Relay ............................................................................................... 4-11
4.8 Connecting the Relay to Your System.................................................................... 4-12
4.5 Changing the Binary Input Voltage Range ............................................................. 4-7
4.6 Installing the Backup Battery................................................................................. 4-8
4.7 Mounting the Relay ............................................................................................... 4-11
4.8 Connecting the Relay to Your System.................................................................... 4-12
4.8.1 General Connection Drawings................................................................. 4-12
4.8.2 Current Transformer (CT) and Voltage Transformer (VT)
Connection Diagrams....................................................................................... 4-18
4.8.3 Pilot Wire Connection Diagrams ............................................................. 4-21
4.8.2 Current Transformer (CT) and Voltage Transformer (VT)
Connection Diagrams....................................................................................... 4-18
4.8.3 Pilot Wire Connection Diagrams ............................................................. 4-21
List of Figures
Figure 4-1. Exploded View of the 7SA511 Relay's Components..............................................4-3
Figure 4-2. Removing the Relay's Front Cover. .......................................................................4-5
Figure 4-3. Removing the Relay Modules From the Housing...................................................4-6
Figure 4-4. Changing the Binary Input Threshold Voltage.......................................................4-8
Figure 4-5. Backup Battery Preparation ..................................................................................4-9
Figure 4-6. Backup Battery Installation ................................................................................. 4-10
Figure 4-7. Flush Mounting Diagram. (Dimensions are in inches.) ......................................... 4-11
Figure 4-8. Flush Mount Connection Diagram....................................................................... 4-13
Figure 4-9. Rear Serial Interface Connections (Flush Mount Configuration). ......................... 4-14
Figure 4-10. Terminal Block Detail on Rear Panel - Ring Lugs.............................................. 4-15
Figure 4-11. Terminal Block Detail on Rear Panel - Wire Compression................................. 4-16
Figure 4-12. Terminal Function Assignment on Rear Panel.................................................... 4-17
Figure 4-13. CT Circuits ....................................................................................................... 4-19
Figure 4-14. VT Circuits ....................................................................................................... 4-20
Figure 4-15. Pilot Wire Connections for Overreaching Zone Comparison with 7PA5210....... 4-22
Figure 4-16. Pilot Wire Connections for Overreaching Zone Comparison with 7SW90.......... 4-23
Figure 4-2. Removing the Relay's Front Cover. .......................................................................4-5
Figure 4-3. Removing the Relay Modules From the Housing...................................................4-6
Figure 4-4. Changing the Binary Input Threshold Voltage.......................................................4-8
Figure 4-5. Backup Battery Preparation ..................................................................................4-9
Figure 4-6. Backup Battery Installation ................................................................................. 4-10
Figure 4-7. Flush Mounting Diagram. (Dimensions are in inches.) ......................................... 4-11
Figure 4-8. Flush Mount Connection Diagram....................................................................... 4-13
Figure 4-9. Rear Serial Interface Connections (Flush Mount Configuration). ......................... 4-14
Figure 4-10. Terminal Block Detail on Rear Panel - Ring Lugs.............................................. 4-15
Figure 4-11. Terminal Block Detail on Rear Panel - Wire Compression................................. 4-16
Figure 4-12. Terminal Function Assignment on Rear Panel.................................................... 4-17
Figure 4-13. CT Circuits ....................................................................................................... 4-19
Figure 4-14. VT Circuits ....................................................................................................... 4-20
Figure 4-15. Pilot Wire Connections for Overreaching Zone Comparison with 7PA5210....... 4-22
Figure 4-16. Pilot Wire Connections for Overreaching Zone Comparison with 7SW90.......... 4-23