Protective Relay Settings: bus_diff_protection
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 | breaker m1 | breaker m2 | breaker t1 | breaker t2 | bus1 status | bus2 status | fault cleared | fault number | figure number | standard | substation config | tie bus status |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| bus_diff_protection | bd_fig5_f1 | Open | Unaffected | Open | Open | Cleared | Unaffected | Yes | 1 | 5 | IEEE Std 3004.11-2019 | 2 CTs between ties | N/A |
| bus_diff_protection | bd_fig5_f2 | Open | Unaffected | Open | Open | Deenergized | Unaffected | Yes | 2 | 5 | IEEE Std 3004.11-2019 | 2 CTs between ties | Cleared |
| bus_diff_protection | bd_fig5_f3 | Open | Open | Open | Open | Deenergized | Deenergized | Yes | 3 | 5 | IEEE Std 3004.11-2019 | 2 CTs between ties | Cleared |
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