I want model a datacenter load from time series power consumption and then connecting it to AC distribution three phase system

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Mariam
Mariam 2024-9-25
回答： Supraja 2024-10-30，5:10
Problem I am facing is when I use importedin MATlab and model it as a load using controlled current source and then adding an inverter , my swing bus (From IEEE 13 bus test system) is having Dc bias/ offset instead of balance volatges. I am trying to analyze transient behaviour dueto sudden high current requirement. Please guide why I am getting this problem.
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Joel Van Sickel
Joel Van Sickel 2024-9-30
can you share your model? It is impossible to diagnose this problem without more information. Check how you've grounded your inverter and that connection to the grid as it's the likely source of the problem.

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Supraja
Supraja 2024-10-30，5:10
Hello,
As per my understanding, there may be multiple reasons on why you are observing transient behaviour while using your model.
I can recommend some of the debugging steps which you can follow and cross-verify to resolve the issue.
  1. Ensure that your model is properly balanced, i.e. the impedances, loads, sources are symmentrical.
  2. Ensure that the initial conditions and the solver configurations are set appropriately, the solver step should not be too large.
  3. The controlled current source might introduce a DC component. Ensure that the control signals do not have a DC offset unless intended.
  4. Consider using MATLAB's 'powergui' block to analyze and visualize power system signals in detail. Please find the documentation link for the block below: https://in.mathworks.com/help/sps/powersys/ref/powergui.html
I hope the above steps help!

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