Individual skill
dc-power-flow
DC power flow analysis for power systems. Use when computing power flows using DC approximation, building susceptance matrices, calculating line flows and loading percentages, or performing sensitivity analysis on transmission networks.
tasks/energy-market-pricing/environment/skills/dc-power-flow/SKILL.md
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# DC Power Flow
DC power flow is a linearized approximation of AC power flow, suitable for economic dispatch and contingency analysis.
## DC Approximations
1. **Lossless lines** - Ignore resistance (R ≈ 0)
2. **Flat voltage** - All bus voltages = 1.0 pu
3. **Small angles** - sin(θ) ≈ θ, cos(θ) ≈ 1
Result: Power flow depends only on bus angles (θ) and line reactances (X).
## Bus Number Mapping
