v0.9.0

PowerFlows v0.9.0

Diff since v0.8.0

Breaking changes

• Remove NLSolve solver option
• Implement Thrust-Region solver
• Implement Newton Rhapson solver
• Implement Fallback solver

Merged pull requests:

• address failing test on windows (#93) (@rbolgaryn)
• HybridACPowerFlow (#97) (@luke-kiernan)
• loss factors as matrix in PowerFlowData (#98) (@rbolgaryn)
• loss factors with the new PR implementation (#105) (@rbolgaryn)
• Refactor the lin_solver_cache branch to simplify the code (#106) (@rbolgaryn)
• hotfix for loss factors at ref bus (1 instead of 0) (#109) (@rbolgaryn)
• Lin solve cache 2 (#111) (@rbolgaryn)
• updates to documenter 1.0, added md to formatter (#120) (@annacasavant)
• Export Trust Region and Combine Simple/Refinement NR (#121) (@luke-kiernan)
• Bugfix and test for "large residual" warning (#123) (@luke-kiernan)
• Fix windows test for loss factors with legacy (#124) (@rbolgaryn)

Closed issues:

• Add solve_powerflow! for AC power flow (#49)
• Coding Jacobian as Functor for fast evaluation (#63)
• Wrapping the symbolic decomposition for inverses (#64)
• Wrapping function the PowerFlow function (#65)
• Test PSI <-> PowerFlow interface (#67)
• Work on speed improvements for NR AC Solve Power Flow (#70)
• Jacobian formulation for all buses (#96)
• Implement new version of loss factor calculations (#100)
• Remove the KLU solver (#101)
• Clean up the DC PowerFlow with KLU (#102)
• Implementation of trust region (#103)
• Implement a loss factor calculation using the JacobianFunction (#104)
• Out-of-range bus index in "large initial residual" warning (#108)
• Change of the interface for the Jacobian functor (#110)
• Test "Test loss factors for larger grid" failing on Windows (#113)
• Export and implement Trust Region solver (#117)
• Merge simple and refinement NR methods (#118)