TAMU Transformer pu conversion
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- Dominant language
- Python
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- Avg merge
- 2d 11h
- Merged PRs (30d)
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Description
Version Checks (indicate both or one)
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This bug exists on the master branch of PyPSA-USA.
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This bug exists on the develop branch of PyPSA-USA.
The Issue
The TAMU network groups lines and transformers together in the branches.csv file. When PyPSA-USA ingests this file, it adds lines and transformers separately. The pu/base unit conversions are the same, though?
The line calculations seem fine, however, PyPSA uses percentages of the nominal power ranking to describe x and r for transformers?
Therefore, when PyPSA calculates the pu value, wont they be off?
I don't have a processed PyPSA-USA/TAMU network on hand to check! So apologies if I am just missing a conversion somewhere.
Steps To Reproduce
No response
Error Message
Anything else?
No response
Contributor guide
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First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
Research direction
Read workflow/scripts/build_base_network.py around lines 73-101, then compare its line and transformer unit handling with PyPSA's power_flow.py around lines 773-785. Use a processed TAMU network or construct the relevant input from branches.csv to verify whether transformer pu values are converted correctly; done when the discrepancy is confirmed and the conversion behavior is corrected or documented.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- python
- Domain
- data-engineering
- Issue type
- Bug
- Difficulty
- 4/5
- Estimated time
- 3-5 days
- Activity status
- Quiet
- Clarity
- Needs clarification
- Newbie friendliness
- 42/100