Network Applications
State Estimation | Contingency Analysis | Optimal Power Flow | Security Monitoring
Real-Time Network Visualization
Interactive power system network showing buses, lines, and real-time status
● Normal Operation
● Near Limit
● Overloaded
● Out of Service
State Estimation
Determines the "Best Estimate" of power system state using weighted least squares
Key Features:
- Gross error detection (3σ rejection)
- Bias detection (persistent errors)
- Multiple island solving
- Topology error identification
12,000+ buses (CAISO)
2-4 min cycle
±0.5% accuracy
Contingency Analysis
N-1 security analysis - what if a line or generator fails?
500+
Contingencies
Top 100
Ranked
5-15 min
Cycle Time
Optimal Power Flow (OPF)
Objective Functions:
- Minimum Generation Cost
- Minimum Control Changes
- Minimum Real Power Loss
- Minimum Reactive Power Loss
Four Processors:
- RT Actual-Condition
- RT Contingency-Condition
- Study Actual-Condition
- Study Contingency-Condition
Quick Stability Analysis (QSTAB)
Voltage stability margin assessment using continuation power flow
P-V Curve
Stability Margin
15.3%
Distance to voltage collapse: 385 MW
Weakest bus: BUS-145 (0.92 pu)
Ranking by Impact:
Field Experience
California ISO
12,000 buses
CFE Mexico
1,200 buses
DEWA Dubai
1,000 buses
Power Pool Alberta
1,000 buses
CAMMESA
1,200 buses
NYSEG
2,500 buses