R Group - Related Protection Functions (12)
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These Logical Nodes are used in conjunction with the P Group to provide complete systems - in some cases they provide are effectively inputs to the P function (e.g. direction) whilst in other cases they use the outputs from the P function (e.g. RBRF)
| Logical Node | Application | |
|---|---|---|
| 1 | RADR | Disturbance recorder channel analogue |
| 2 | RBDR | Disturbance recorder channel binary |
| 3 | RBRF | Breaker failure |
| 4 | RDIR | Directional element |
| 5 | RDRE | Disturbance recorder function |
| 6 | RDRS | Disturbance record handling |
| 7 | RFBC | Field breaker configuration. |
| 8 | RFLO | Fault locator |
| 9 | RMXU | Differential measurements |
| 10 | RPSB | Power swing detection/blocking |
| 11 | RREC | Autoreclosing |
| 12 | RSYN | Synchronism-check |
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