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id
stringclasses
6 values
grid_region_set
stringclasses
5 values
sampling_interval_s
int64
1
5
avg_frequency_hz
float64
50
50
frequency_std_hz
float64
0.01
0.03
phase_angle_spread_deg
float64
5.4
12.8
intertie_flow_mw
int64
760
1.04k
load_stress_index
float64
0.38
0.7
reactive_reserve_pct
int64
10
21
inertia_index
float64
0.66
0.82
regional_phase_coherence_index
float64
0.68
0.89
cross_region_sync_strength
float64
0.66
0.87
baseline_stability_margin
float64
0.52
0.78
drift_rate
float64
0
0.01
stress_localization
stringclasses
5 values
notes
stringclasses
6 values
constraints
stringclasses
1 value
gold_checklist
stringclasses
1 value
GRIDB-001
NORTH|CENTRAL|SOUTH
2
50.01
0.015
6.2
820
0.42
18
0.78
0.86
0.84
0.74
0.003
none
stable baseline
<=260 words
coherence+sync+margin+drift+localization
GRIDB-002
EAST|CENTRAL|WEST
2
49.99
0.02
8.5
910
0.55
15
0.73
0.8
0.79
0.68
0.006
WEST
mild stress west
<=260 words
coherence+sync+margin+drift+localization
GRIDB-003
NORTH|EAST|SOUTH
1
50
0.013
5.4
760
0.38
21
0.82
0.89
0.87
0.78
0.002
none
tight coupling
<=260 words
coherence+sync+margin+drift+localization
GRIDB-004
EAST|WEST
2
49.97
0.03
12.8
1,040
0.7
10
0.66
0.68
0.66
0.52
0.012
EAST-WEST INTERTIE
intertie strained
<=260 words
coherence+sync+margin+drift+localization
GRIDB-005
COASTAL|INLAND|METRO
5
50.02
0.025
10.1
980
0.63
12
0.69
0.74
0.72
0.6
0.01
METRO
urban load ramp
<=260 words
coherence+sync+margin+drift+localization
GRIDB-006
NORTH|CENTRAL|SOUTH
2
49.98
0.022
9.3
940
0.6
14
0.71
0.77
0.75
0.63
0.008
SOUTH
southern stress pocket
<=260 words
coherence+sync+margin+drift+localization

What this dataset tests

Whether a system can model the baseline coherence structure
of wide-area grid synchronization.

It treats the grid as a coupled phase system
across geographic regions.

Inputs

  • average frequency and variance
  • phase angle spread between regions
  • intertie loading
  • load stress
  • reactive reserve
  • inertia proxy

Required outputs

  • regional_phase_coherence_index
  • cross_region_sync_strength
  • baseline_stability_margin
  • drift_rate
  • stress_localization

Use case

Layer 1 of COH-GRID-001
Grid Frequency Synchronization Decoupling.

Why it matters

Wide-area blackouts do not start with a trip.

They start when regions stop staying in phase.

This dataset defines what “in phase” looks like
under normal and stressed operation.

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