Protective Relay Settings: device function
dev53 to dev64S
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 | dev53 | 53 | — | — | Excitation check relay for synchronous motors | Table B.2 | IEEE Std 3004.8-2016 |
| device function | dev55 | 55 | POPF | PF | Power factor relay (over-/under-power factor) | Table B.2 | IEEE Std 3004.8-2016 |
| device function | dev56 | 56 | — | — | Field application relay (synchronous motors) | Table B.2 | IEEE Std 3004.8-2016 |
| device function | dev59 | 59 | PTOV | OV | Overvoltage relay (instantaneous or time delay) | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev60 | 60 | PTOV | — | Voltage or current balance relay (over-/undervoltage) | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev62 | 62 | — | — | Time-delay stopping or opening relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev63 | 63 | — | — | Liquid- or gas-pressure relay or vacuum relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev64 | 64 | PHIZ | — | Ground fault detection relay (earth fault from machine casing to ground) | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev64R | 64R | PTOC | — | Rotor earth fault relay | Table B.1 | IEEE Std 3004.8-2016 |
| device function | dev64S | 64S | PTOC | — | Stator earth fault relay | Table B.1 | IEEE Std 3004.8-2016 |
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