Siemens 7SA511 사용자 설명서

7SA511 Line Protection Relay

Chapter 7

7. Commissioning the Relay .....................................................................................................7-3

7.1 Verifying the Installation and Relay Configuration..........................................................7-3
7.2 Relay Commissioning Tests............................................................................................7-3
7.3 Guidelines for Commissioning the Relay.........................................................................7-4

7.3.1 Current, Voltage, and Phase Sequence Checks.........................................................7-4
7.3.2 Directional Test Using Load Current (4200) ............................................................7-5
7.3.3 Checking the Carrier Transmission System...............................................................7-8
7.3.4 Circuit Breaker Trip Test (4400) ........................................................................... 7-13
7.3.5 Automatic Reclose Test (4300) (Optional)............................................................. 7-15

7.4 Returning the Relay to Operating Status ....................................................................... 7-17

Figure 7-1. Load Impedance Vector. .......................................................................................7-8