Electrical Load Flow Analysis
Power system analysis tool for voltage regulation, power flow calculation, and system stability assessment.
⚡ Power system engineering - Newton-Raphson load flow, contingency analysis, and grid optimization
Analysis Controls
Display Options
Bus Configuration
Generator 1 (SLACK)
ReferenceCurrent: 1.050 pu
Angle: 0.0°
Voltage: 144.9 kV
Generator 2 (PV)
GeneratorCurrent: 1.020 pu
Angle: 0.0°
Voltage: 140.8 kV
Load Center 1 (PQ)
LoadCurrent: 1.000 pu
Angle: 0.0°
Voltage: 138.0 kV
Load Center 2 (PQ)
LoadCurrent: 1.000 pu
Angle: 0.0°
Voltage: 138.0 kV
Substation 1 (PQ)
LoadCurrent: 1.000 pu
Angle: 0.0°
Voltage: 138.0 kV
Power System Single-Line Diagram
Power System Analysis
- • Newton-Raphson Method: Iterative load flow solution
- • Bus Classifications: Slack, PV, and PQ bus modeling
- • Admittance Matrix: Network topology representation
- • Convergence Analysis: Mismatch tolerance monitoring
Engineering Applications
- • Grid Planning: Transmission system expansion
- • Operations: Real-time state estimation
- • Protection: Fault current calculations
- • Markets: Economic dispatch optimization
IEEE Standards & Limits
Voltage Limits:
- • Normal: ±5% (0.95-1.05 pu)
- • Emergency: ±10% (0.90-1.10 pu)
- • Critical: ±15% (0.85-1.15 pu)
Loading Limits:
- • Continuous: 100% of rating
- • Emergency: 130% for 15 min
- • Short-term: 150% for 5 min
Stability Margins:
- • Angle: <30° for stability
- • Reactive reserve: >5% of load
- • N-1 contingency planning