IEEE 123 node distribution feeder model with Compensated Stublines and SSN

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IEEE 123 node distribution feeder diagram. Compensated stubline locations and lengths in feet are shown.

This model is used to demonstrate the Compensated Stubline model[1]

In the model, four Compensated Stublines are used to decouple the complete circuit into 3 independent sets of equations, each one of these solved with SSN.

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A phase-to-phase fault is made at Bus 23 for comparison purposes. The figure below compares the 2 simulation results for Bus23 voltages and currents and the main feeder currents; it shows that all curves match very well during the test.

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Input feeder currents and Bus 23 voltages and currents during the phase-to-phase fault

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This model was originally provided by Yan Chen, Daniele Carta, and Andrea Benigni (Department of Electrical Engineering, University of South Carolina). Model modified by Christian Dufour (Opal-RT) and Abdelrahman Karrar (University of Tennessee at Chattanooga) for Compensated Stublines, SSN OLTC transformers, and custom pi-lines.

References

[1] B. Ahmed, A. Abdelgadir, N. Saied, and A. Karrar, "A Compensated Distributed-Parameter Line Decoupling Approach for Real-Time Applications" in IEEE Transactions on Smart Grid, DOI: 10.1109/TSG.2020.3033145.

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