Protective Relay Settings: device function
dev64W to dev78
Protective relay settings, coordination parameters, and motor/bus protection data per IEEE C37, IEEE 242, IEC 60255, and IEEE 3004 series. Covers: IEEE C37.112 inverse time-overcurrent curve constants (A, B, p, tr) and IEC 60255-151 constants (k, alpha); CT accuracy classes C100/C200/C400/C800 per IEEE C57.13; relay pickup guidance by ANSI device number; CTI per IEEE 242; motor nameplate voltages, surge withstand levels, vibration limits, and relay alarm/trip thresholds per IEEE 3004.8-2016; ANSI device function numbers for motor and bus protection (Tables B.1/B.2/B.3); online partial discharge assessment thresholds; and dual-tie bus differential CT scheme fault response results per IEEE 3004.11-2019.
| parameter type | record id | device number | iec 61850 logical node | nema designation | protection function | source table | standard |
|---|---|---|---|---|---|---|---|
| device function | dev64W | 64W | PTOC | — | Inter-turn fault relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev66 | 66 | — | — | Notching or jogging device (successive operations within a given time) | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev67 | 67 | PTOC | — | AC directional overcurrent relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev67G | 67G | PTOC | — | Directional earth fault relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev68 | 68 | RPSB | — | Power swing detection / blocking relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev71 | 71 | — | — | Liquid- or gas-level relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev72 | 72 | — | — | DC circuit breaker | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev74 | 74 | — | — | Alarm relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev76 | 76 | PTOC | — | DC overcurrent relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev78 | 78 | PPAM | — | Phase angle measuring or out-of-step protective relay | Table B.2 | IEEE Std 3004.8-2016 |
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