dynawo/dynawo
Nov 2024 – Sep 2025
8 Months active
Languages Used
ModelicaXMLCMakeC++CSVCPython
Technical Skills
Control SystemsModelicaModelica DevelopmentSimulationSystem ConfigurationPower Systems
Erwan Guichard
PROFILE
Erwan Guichard
Erwan Guichard contributed to the dynawo/dynawo repository by developing and refining power system simulation models, focusing on control systems, fault scenarios, and data management. He implemented new Modelica-based components such as the LineFault and DeadZone blocks, enhanced simulation fidelity through parameter tuning, and improved initialization routines for wind turbine and excitation system models. His work involved extensive use of Modelica, C, and Python, emphasizing code organization, configuration management, and robust testing. By expanding test coverage, refactoring core libraries, and optimizing numerical methods, Erwan delivered maintainable, reliable simulation tools that support reproducible engineering analysis and streamlined model integration.
Overall Statistics
Feature vs Bugs
88%Features
Repository Contributions
22Total
Bugs
2
Commits
22
Features
15
Lines of code
557,916
Activity Months8
Your Network
73 people
Work History
September 2025
1 Commits • 1 Features
Sep 1, 20252025-09 Monthly Summary for dynawo/dynawo: Focused on improving DynaSwing IEC Wind Neplan model fidelity and data availability through parameter tuning and dataset expansion, with strong emphasis on traceability and reliability.
1 Commits • 1 Features
Sep 1, 20252025-09 Monthly Summary for dynawo/dynawo: Focused on improving DynaSwing IEC Wind Neplan model fidelity and data availability through parameter tuning and dataset expansion, with strong emphasis on traceability and reliability.
September 2025
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary focusing on key accomplishments and business impact for dynawo/dynawo. Delivered the LineFault Model for Dynawo Simulation, enabling realistic AC fault scenarios with configurable line resistance, reactance, and fault characteristics. Implemented Modelica files, updated dictionaries with fault-related keys, and integrated tests within the IEEE14 bus system. Commit 7f0f2ac402f368e942dc2716824c647bbc460b0a (#3764) captures the feature addition and test case.
July 2025
1 Commits • 1 Features
Jul 1, 2025July 2025 monthly summary focusing on key accomplishments and business impact for dynawo/dynawo. Delivered the LineFault Model for Dynawo Simulation, enabling realistic AC fault scenarios with configurable line resistance, reactance, and fault characteristics. Implemented Modelica files, updated dictionaries with fault-related keys, and integrated tests within the IEEE14 bus system. Commit 7f0f2ac402f368e942dc2716824c647bbc460b0a (#3764) captures the feature addition and test case.
April 2025
3 Commits • 1 Features
Apr 1, 2025April 2025: Delivered core enhancements to the dynawo/dynawo power system control models, focusing on configuration consistency, initialization accuracy, and model stability. Key outcomes include centralizing default parameter values by moving them from regulation .mo files to .par and example .mo files, introducing Va0Pu parameter with updated initialization, accounting for Ir0Pu, and adding EfdMaxPu to cap maximum excitation voltage in IEEX2/IEEX2A models. These changes improve reproducibility, reduce misconfiguration risk, and enhance simulation reliability for end-users and model developers.
3 Commits • 1 Features
Apr 1, 2025April 2025: Delivered core enhancements to the dynawo/dynawo power system control models, focusing on configuration consistency, initialization accuracy, and model stability. Key outcomes include centralizing default parameter values by moving them from regulation .mo files to .par and example .mo files, introducing Va0Pu parameter with updated initialization, accounting for Ir0Pu, and adding EfdMaxPu to cap maximum excitation voltage in IEEX2/IEEX2A models. These changes improve reproducibility, reduce misconfiguration risk, and enhance simulation reliability for end-users and model developers.
April 2025
March 2025
3 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for dynawo/dynawo: Key features delivered: - Enable IEEE14CLA simulation under OpenModelica by adding header and wiring (#3544) (commit 5a238b15555f99c906572f390dc7f5bead61f831). - Refactor Modelica connectors into separate .mo files and update build configuration for better modularity and project integration (#1272) (commit accf1a55ac0fd96235e107f5fa4b3b2b6fcdedbf). Major bugs fixed: - Restore IEEE14CLA experiment and organize CSV results into a unified references folder to ensure the experiment runs as intended (#3586) (commit 91de23f3522961a0563c82204caa9c18148e4f97). Overall impact and accomplishments: - Improved simulation fidelity and reproducibility with OpenModelica, enhanced modularity for long-term maintainability, and tighter build/integration workflows. This accelerates onboarding for new contributors and supports customer deployment scenarios. Technologies/skills demonstrated: - Modelica/OpenModelica integration, modular design (separating connectors), CMake/build system updates, version control discipline, and reproducible experiment workflows.
March 2025
3 Commits • 2 Features
Mar 1, 2025March 2025 monthly summary for dynawo/dynawo: Key features delivered: - Enable IEEE14CLA simulation under OpenModelica by adding header and wiring (#3544) (commit 5a238b15555f99c906572f390dc7f5bead61f831). - Refactor Modelica connectors into separate .mo files and update build configuration for better modularity and project integration (#1272) (commit accf1a55ac0fd96235e107f5fa4b3b2b6fcdedbf). Major bugs fixed: - Restore IEEE14CLA experiment and organize CSV results into a unified references folder to ensure the experiment runs as intended (#3586) (commit 91de23f3522961a0563c82204caa9c18148e4f97). Overall impact and accomplishments: - Improved simulation fidelity and reproducibility with OpenModelica, enhanced modularity for long-term maintainability, and tighter build/integration workflows. This accelerates onboarding for new contributors and supports customer deployment scenarios. Technologies/skills demonstrated: - Modelica/OpenModelica integration, modular design (separating connectors), CMake/build system updates, version control discipline, and reproducible experiment workflows.
February 2025
5 Commits • 3 Features
Feb 1, 2025February 2025 (2025-02) focused on enhancing model fidelity, expanding test coverage, and stabilizing fault scenarios in the Dynawo repository, with clear business value in more reliable simulations and faster validation cycles for customers. Highlights include initialization data improvements for WT4BCurrentSource in OpenModelica examples and OM 1.24.4 compatibility, base test models for SVarC and Neplan scenarios to streamline verification, extended wind power plant fault simulations to 25 seconds with refined impedance handling, and a robust VariableImpedantFault fix including documentation cleanup and ZvTimeTable parameter updates.
5 Commits • 3 Features
Feb 1, 2025February 2025 (2025-02) focused on enhancing model fidelity, expanding test coverage, and stabilizing fault scenarios in the Dynawo repository, with clear business value in more reliable simulations and faster validation cycles for customers. Highlights include initialization data improvements for WT4BCurrentSource in OpenModelica examples and OM 1.24.4 compatibility, base test models for SVarC and Neplan scenarios to streamline verification, extended wind power plant fault simulations to 25 seconds with refined impedance handling, and a robust VariableImpedantFault fix including documentation cleanup and ZvTimeTable parameter updates.
February 2025
January 2025
3 Commits • 2 Features
Jan 1, 20252025-01 monthly summary for dynawo/dynawo. Key features delivered focus on numerical stability, simulation fidelity, and codebase maintainability. No major defects closed this month; main outcomes are improved simulation accuracy and cleaner, more maintainable code. The work enhances reliability for users and reduces future maintenance overhead.
January 2025
3 Commits • 2 Features
Jan 1, 20252025-01 monthly summary for dynawo/dynawo. Key features delivered focus on numerical stability, simulation fidelity, and codebase maintainability. No major defects closed this month; main outcomes are improved simulation accuracy and cleaner, more maintainable code. The work enhances reliability for users and reduces future maintenance overhead.
December 2024
2 Commits • 2 Features
Dec 1, 2024Month 2024-12 highlights focused on robustness and expansion of the non-linear block library for the dynawo/dynawo project. Key features delivered: - Dynawo TransferFunction model refactor and edge-case bypass: Simplified initialization and standardized usage, with a new TransferFunctionBypass to handle cases where the first coefficient of the denominator is zero, improving robustness in electrical control-system simulations. Commit: 2b8fb9a41e744882e16bec5aa3ba1a6f285c2222. - Dynawo LimitedDivision Modelica block: Adds a block that divides two inputs with the output clamped to a min/max range, enhancing numerical stability and safety in nonlinear blocks for electrical system simulations. Commit: 360a80c517465e3782bb6ade6082aa094014977c. Major bugs fixed (implicit in the changes): improved edge-case handling for transfer function initialization and safety-limiting behavior in division blocks, reducing potential runaway outputs and initialization-time failures. Overall impact and accomplishments: - Increased reliability and robustness of electrical control-system simulations, especially in edge cases. - Safer default behavior in nonlinear models via output clamping. - Clear improvements to maintainability and future extensibility of core simulation primitives. Technologies/skills demonstrated: - Refactoring and standardization of initialization paths - Edge-case handling and defensive programming - Modelica block development and integration - Commit-driven development with traceability (references above)
2 Commits • 2 Features
Dec 1, 2024Month 2024-12 highlights focused on robustness and expansion of the non-linear block library for the dynawo/dynawo project. Key features delivered: - Dynawo TransferFunction model refactor and edge-case bypass: Simplified initialization and standardized usage, with a new TransferFunctionBypass to handle cases where the first coefficient of the denominator is zero, improving robustness in electrical control-system simulations. Commit: 2b8fb9a41e744882e16bec5aa3ba1a6f285c2222. - Dynawo LimitedDivision Modelica block: Adds a block that divides two inputs with the output clamped to a min/max range, enhancing numerical stability and safety in nonlinear blocks for electrical system simulations. Commit: 360a80c517465e3782bb6ade6082aa094014977c. Major bugs fixed (implicit in the changes): improved edge-case handling for transfer function initialization and safety-limiting behavior in division blocks, reducing potential runaway outputs and initialization-time failures. Overall impact and accomplishments: - Increased reliability and robustness of electrical control-system simulations, especially in edge cases. - Safer default behavior in nonlinear models via output clamping. - Clear improvements to maintainability and future extensibility of core simulation primitives. Technologies/skills demonstrated: - Refactoring and standardization of initialization paths - Edge-case handling and defensive programming - Modelica block development and integration - Commit-driven development with traceability (references above)
December 2024
November 2024
4 Commits • 3 Features
Nov 1, 2024Monthly summary for 2024-11 focusing on key accomplishments, business value, and technical achievements in dynawo/dynawo. Highlights include enhancements to simulation input configurability, the introduction of a DeadZone block in the Dynawo library, and restoration of historical fault logs for WT4 configurations, all contributing to higher modeling fidelity, configurability, traceability, and analysis readiness.
November 2024
4 Commits • 3 Features
Nov 1, 2024Monthly summary for 2024-11 focusing on key accomplishments, business value, and technical achievements in dynawo/dynawo. Highlights include enhancements to simulation input configurability, the introduction of a DeadZone block in the Dynawo library, and restoration of historical fault logs for WT4 configurations, all contributing to higher modeling fidelity, configurability, traceability, and analysis readiness.
Activity
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Quality Metrics
Correctness89.6%
Maintainability89.0%
Architecture87.8%
Performance78.2%
AI Usage20.0%
Skills & Technologies
Programming Languages
CC++CMakeCSVModelicaPythonXML
Technical Skills
CCode CleanupCode FormattingCode OrganizationCode RefactoringConfigurationConfiguration ManagementControl SystemsData AnalysisData ManagementElectrical EngineeringFile ManagementModel-Based DesignModelicaModelica Development
Repositories Contributed To
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