v0.22.0

Release notes

• Workflow trigger updated (#560)
• AC equations optimization (#559)
• Monitor refactoring (#561)
• Limit violations refactoring (#562)
• Support of three windings transformer contingency (#564)
• AC sensitivity analysis: fix contingency has no impact (#563)
• Fix method names for open branch side 2 equations (#567)
• Select slack bus from a voltage level ID (#570)
• Functional logging refactoring (#574)
• Refactor equation vector (#575)
• Largest generator slack bus selector (#577)
• Remove exception of two generators are connected to the same bus but are controlling two different buses. (#578)
• AC security analysis: make contingency propagation optional (#571)
• Security analysis functional logs (#576)
• Fix min impedance check. (19456f0)
• Fix FastMath (#581)
• [Transformer voltage control] Incremental transformer outerloop (#522)
• Zero impedance flows. Specific solution for open Loadflow (#573)