powsybl/powsybl-core
Mar 2025 – Nov 2025
5 Months active
Languages Used
JavaMarkdownRAWXML
Technical Skills
API IntegrationBackend DevelopmentData ConversionJava DevelopmentData Import/ExportFile Parsing
Petr Janecek
PROFILE
Petr Janecek
Petr Janeček enhanced the powsybl-core repository by developing and refining PSS/E data import and processing features over five months. He implemented Java-based modules for area data conversion, transformer boundary support, and robust file parsing, focusing on data fidelity and scalable onboarding of complex grid models. His work included targeted bug fixes, such as correcting reactance defaults and deduplicating model records, which improved simulation accuracy and data integrity. Leveraging skills in Java, XML processing, and regular expressions, Petr delivered well-tested, maintainable backend solutions that reduced manual intervention and ensured reliable, version-aware imports for power systems simulation workflows.
Overall Statistics
Feature vs Bugs
50%Features
Repository Contributions
6Total
Bugs
3
Commits
6
Features
3
Lines of code
3,877
Activity Months5
Your Network
38 peopleWork History
November 2025
1 Commits
Nov 1, 2025November 2025: Delivered a PSS/E model data deduplication fix in powsybl-core, ensuring only the last record per ID is retained. This improves data integrity, consistency, and downstream processing reliability for PSS/E data ingestion.
1 Commits
Nov 1, 2025November 2025: Delivered a PSS/E model data deduplication fix in powsybl-core, ensuring only the last record per ID is retained. This improves data integrity, consistency, and downstream processing reliability for PSS/E data ingestion.
November 2025
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — Focused on enhancing fidelity of the PSSE import flow in powsybl-core. Delivered a key feature to preserve transformer and line names during PSSE import, accompanied by targeted refactoring, test updates, and documentation improvements to ensure correct behavior across PSSE versions.
October 2025
1 Commits • 1 Features
Oct 1, 2025Month: 2025-10 — Focused on enhancing fidelity of the PSSE import flow in powsybl-core. Delivered a key feature to preserve transformer and line names during PSSE import, accompanied by targeted refactoring, test updates, and documentation improvements to ensure correct behavior across PSSE versions.
July 2025
1 Commits
Jul 1, 2025July 2025 monthly summary for powsybl-core: Delivered a targeted bug fix in the PSS/E model addressing zero reactance on non-transformer branches, combined with regression testing and resource updates. This work emphasizes model accuracy and stability with minimal code changes and no new features introduced this month.
1 Commits
Jul 1, 2025July 2025 monthly summary for powsybl-core: Delivered a targeted bug fix in the PSS/E model addressing zero reactance on non-transformer branches, combined with regression testing and resource updates. This work emphasizes model accuracy and stability with minimal code changes and no new features introduced this month.
July 2025
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 performance highlights for powsybl-core. Focused on robustness of PSS/E file processing and expanded import capabilities to support boundary transformers across areas. These improvements reduce ingestion errors, improve modeling fidelity, and lay groundwork for multi-area analyses.
June 2025
2 Commits • 1 Features
Jun 1, 2025June 2025 performance highlights for powsybl-core. Focused on robustness of PSS/E file processing and expanded import capabilities to support boundary transformers across areas. These improvements reduce ingestion errors, improve modeling fidelity, and lay groundwork for multi-area analyses.
March 2025
1 Commits • 1 Features
Mar 1, 2025Month: 2025-03 — Focused on enhancing PSS/E data import capabilities in powsybl-core. Delivered the PSS/E AreaConverter to translate PSS/E area data into PowSyBl grid model, including creation of areas, voltage level associations, and topology-based area boundaries. Integrated AreaConverter into PsseImporter to streamline imports for PSS/E files, improving data fidelity and reducing post-import adjustments. No critical bugs reported this month; main work centered on delivering a reusable import enhancement with measurable business value and scalability for PSS/E datasets.
1 Commits • 1 Features
Mar 1, 2025Month: 2025-03 — Focused on enhancing PSS/E data import capabilities in powsybl-core. Delivered the PSS/E AreaConverter to translate PSS/E area data into PowSyBl grid model, including creation of areas, voltage level associations, and topology-based area boundaries. Integrated AreaConverter into PsseImporter to streamline imports for PSS/E files, improving data fidelity and reducing post-import adjustments. No critical bugs reported this month; main work centered on delivering a reusable import enhancement with measurable business value and scalability for PSS/E datasets.
March 2025
Activity
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Quality Metrics
Correctness90.0%
Maintainability83.4%
Architecture86.6%
Performance71.6%
AI Usage20.0%
Skills & Technologies
Programming Languages
JavaMarkdownRAWXML
Technical Skills
API IntegrationBackend DevelopmentData ConversionData Import/ExportData ParsingFile HandlingFile ParsingJavaJava DevelopmentPower Systems SimulationRegular ExpressionsSoftware TestingUnit TestingXML Processingbackend development
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