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Changelog

[0.1.0] - 2026-05-01

Added

  • Initial release of REFA (Reconductoring Economic and Financial Analysis) module
  • Unit conversion when accessing different parameters
  • Corona inception voltage and voltage gradient assessment
  • AC and DC structure configuration support
  • NPV-based economic evaluation over user-defined time horizons
  • Project types: Rebuild, Reconductoring, VoltageUpgrade, HVDC, Existing, Analysis
  • CIGRÉ 324 sag-tension calculations at peak current and under wind-ice loading conditions
  • NESC 250B loading district profiles (heavy, medium, light, warm islands)
  • Resistive and corona discharge loss calculations (with and without congestion)
  • IEEE 738 steady-state thermal rating, temperature, and resistance calculations
  • Default conductor database at src/refa/defaults/conductor.py
  • Full unit test suite (62 tests) covering all calculation methods
  • GitHub Actions CI (Python 3.9–3.12) and PyPI publish workflow