Adapt To The New Possible Powsybl PhaseTapChanger RegulationMode

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Introduction

The Powsybl library is a widely used open-source software for power system modeling and simulation. As with any software, updates and changes are made to improve its functionality and usability. In this article, we will discuss the changes made to the PhaseTapChanger regulation mode in Powsybl and how to adapt to the new possible regulation modes.

Describe the Current Behavior

Prior to the update, a PhaseTapChanger could have a FIXED_TAP RegulationMode regardless of its regulating value. This meant that even if the regulating value was set to false, the FIXED_TAP RegulationMode would still be applied. This behavior is no longer valid and has been changed to reflect the expected behavior.

Describe the Expected Behavior

The expected behavior is that a PhaseTapChanger RegulationMode can only be one of the following: CURRENT_LIMITER, ACTIVE_POWER_CONTROL. The regulating boolean attribute must be taken into account to determine if the PhaseTapChanger is regulating. If the regulating value is set to false, it represents the old fixed tap mode. This change is made to align with the removal of the FIXED_TAP regulation mode.

Describe the Motivation

The motivation behind this change is to adapt to the powsybl-core#3344 issue that removes the FIXED_TAP regulation mode. This change is necessary to ensure that the Powsybl library remains compatible with the latest updates and changes.

Impact of the Change

The change in the PhaseTapChanger regulation mode may have an impact on existing code that relies on the FIXED_TAP regulation mode. Developers who use the Powsybl library will need to update their code to reflect the new regulation modes. This may involve changing the RegulationMode attribute to one of the allowed values (CURRENT_LIMITER, ACTIVE_POWER_CONTROL) and setting the regulating boolean attribute accordingly.

Example Use Case

To illustrate the change, let's consider an example use case. Suppose we have a PhaseTapChanger with a RegulationMode of FIXED_TAP and a regulating value of false. In the old behavior, this would mean that the FIXED_TAP RegulationMode would still be applied. However, in the new behavior, the RegulationMode would need to be changed to one of the allowed values (CURRENT_LIMITER, ACTIVE_POWER_CONTROL) and the regulating boolean attribute would need to be set to false to represent the old fixed tap mode.

from powsybl import PhaseTapChanger

# Create a PhaseTapChanger object
ptc = PhaseTapChanger()

# Set the RegulationMode to CURRENT_LIMITER
ptc.set_regulation_mode(PhaseTapChanger.RegulationMode.CURRENT_LIMITER)

# Set the regulating boolean attribute to false
ptc.set_regulating(False)

Conclusion

In conclusion, the change in the PhaseTapChanger regulation mode is necessary to adapt to the removal of the FIXED_TAP regulation mode. Developers who use the Powsybl library will need to update their code to reflect the new regulation modes. By understanding the expected behavior and the motivation behind the change, developers can ensure that their code remains compatible with the latest updates and changes.

Additional Information

For more information on the powsybl-core#3344 issue and the changes made to the PhaseTapChanger regulation mode, please refer to the Powsybl documentation and the GitHub issue tracker.

FAQs

  • Q: What is the new regulation mode for PhaseTapChanger? A: The new regulation mode for PhaseTapChanger is one of the following: CURRENT_LIMITER, ACTIVE_POWER_CONTROL.
  • Q: How do I update my code to reflect the new regulation modes? A: You will need to change the RegulationMode attribute to one of the allowed values (CURRENT_LIMITER, ACTIVE_POWER_CONTROL) and set the regulating boolean attribute accordingly.
  • Q: What is the impact of the change on existing code? A: The change may have an impact on existing code that relies on the FIXED_TAP regulation mode. Developers will need to update their code to reflect the new regulation modes.

Related Issues

Related Documentation

  • Powsybl documentation - Official documentation for the Powsybl library
  • Powsybl GitHub issue tracker - Issue tracker for the Powsybl library
    Frequently Asked Questions (FAQs) about the New Powsybl PhaseTapChanger RegulationMode =====================================================================================

Q: What is the new regulation mode for PhaseTapChanger?

A: The new regulation mode for PhaseTapChanger is one of the following: CURRENT_LIMITER, ACTIVE_POWER_CONTROL.

Q: How do I update my code to reflect the new regulation modes?

A: You will need to change the RegulationMode attribute to one of the allowed values (CURRENT_LIMITER, ACTIVE_POWER_CONTROL) and set the regulating boolean attribute accordingly.

Q: What is the impact of the change on existing code?

A: The change may have an impact on existing code that relies on the FIXED_TAP regulation mode. Developers will need to update their code to reflect the new regulation modes.

Q: Why was the FIXED_TAP regulation mode removed?

A: The FIXED_TAP regulation mode was removed as part of the powsybl-core#3344 issue, which aimed to simplify the regulation modes and improve the overall functionality of the Powsybl library.

Q: How do I determine if a PhaseTapChanger is regulating?

A: You can determine if a PhaseTapChanger is regulating by checking the regulating boolean attribute. If the attribute is set to true, the PhaseTapChanger is regulating. If the attribute is set to false, the PhaseTapChanger is not regulating.

Q: What are the benefits of the new regulation modes?

A: The new regulation modes (CURRENT_LIMITER, ACTIVE_POWER_CONTROL) provide a more flexible and efficient way to regulate PhaseTapChangers. They allow for more precise control over the regulation process and improve the overall performance of the Powsybl library.

Q: How do I troubleshoot issues related to the new regulation modes?

A: If you encounter issues related to the new regulation modes, you can try the following:

  • Check the Powsybl documentation and GitHub issue tracker for any known issues or updates.
  • Verify that your code is up-to-date with the latest changes.
  • Consult with the Powsybl community or seek help from a Powsybl expert.

Q: What is the future of the Powsybl library?

A: The Powsybl library is constantly evolving to meet the needs of its users. The development team is committed to improving the library's functionality, performance, and usability. You can stay up-to-date with the latest developments by following the Powsybl blog and GitHub issue tracker.

Q: How can I contribute to the Powsybl library?

A: You can contribute to the Powsybl library by:

  • Reporting issues or suggesting new features on the GitHub issue tracker.
  • Participating in the Powsybl community and providing feedback.
  • Contributing code or documentation to the Powsybl repository.

Related Issues

Related Documentation