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How to perform three-phase harmonic power flow in OpenDSS-G for IEEE 13-Bus example?

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Evelyn
2025-01-11
2025-01-12
  • Evelyn

    Evelyn - 2025-01-11

    Hello everyone,

    I am new to OpenDSS-G and currently trying to perform a three-phase harmonic power flow analysis using the IEEE 13-bus distribution system example. However, I am unsure how to proceed with this task.

    Could anyone kindly guide me on how to achieve this or provide any relevant resources or tutorials?

    Thank you in advance for your help!

     

    Last edit: Evelyn 2025-01-11
    • Roger Dugan

      Roger Dugan - 2025-01-11

      The model is already 3-phase. What you need to add is harmonic spectra
      (Spectrum object) for each load. There is already a default spectrum
      defined for each PC element so, minimally, all you need to do is:

      Solve ! solve the power flow
      Solve mode=harmonics

      Be sure you have some Monitor elements distributed around the circuit. The
      Monitor devices will be automatically sampled after the solution at each
      frequency.

      Of course, to make it more interesting, you will probably want to change
      some of the default harmonic spectrum definitions.

      On Sat, Jan 11, 2025 at 5:28 AM Wang Chag Yi qaz900501@users.sourceforge.net wrote:

      Hello everyone,

      I am new to OpenDSS-G and currently trying to perform a three-phase
      harmonic power flow analysis using the IEEE 13-bus distribution system
      example. However, I am unsure how to proceed with this task.

      Could anyone kindly guide me on how to achieve this or provide any
      relevant resources or tutorials?

      Thank you in advance for your help!

      How to perform three-phase harmonic power flow in OpenDSS-G for IEEE
      13-Bus example?
      https://sourceforge.net/p/dssimpc/discussion/help/thread/f4db47743a/?limit=25#ab52


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  • Evelyn

    Evelyn - 2025-01-12

    Dear Roger,

    Thank you for your response. May I ask where I should input the commands you provided?

    Solve ! solve the power flow
    Solve mode=harmonics

    Additionally, if you could share any reference documents or videos related to similar issues, it would be incredibly helpful.

    Thank you again for your guidance.

    Best regards,
    Evelyn

     
    • Davis Montenegro

      Hello,

      There are some videos at the OpenDSS-G YouTube channel. For harmonics simulation check this one:

      https://www.youtube.com/watch?v=fJZ_ol44ics

      This video was made with version 4.5. In version 6, several features changed, for that, please check the following content:

      https://www.youtube.com/watch?v=KbqVt5po9TI
      https://www.youtube.com/watch?v=KieM_JwC2K4

      There are other videos in that channel that can provide more info. There is also the user manual, which I'm sure can be helpful to start.
      I would also recommend to move the test systems from the folder "C:\ProgramData\OpenDSS-G\Test_Systems" into a different location like a folder within "Documents" or a public access folder to prevent issues due to admin privileges.

      If there are more questions, don't hesitate to stop by.

      Best regards,

       

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