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Dear Dr. Mellik,

I am a Ph.D. student at the UNIVERSITY of LEEDS.

For my project, I have to use the principle of duality to model single-phase transformers. For limbs and yokes, non-linear inductors based on the Inverse Jiles-Atherton (IJA) method must be used. I wanted to utilize the inductor model of the PSCAD V5 for this purpose; however, there is no place to enter the cross-section area and length of the limbs/yokes.

As a result, I decided to implement this method in MATLAB and PSCAD. In MATLAB, due to 1/Z block (or delay), everything is fine. However, for PSCAD, I have some problems when B is high leading to high H as well. In PSCAD, I used delay blocks; nevertheless, I cannot find any fixed values for delay blocks to guarantee the proper results.

I really appreciate it if you could help me to solve this problem and implement inverse JA perfectly in PSCAD.

Best regards,

Amir

I am a Ph.D. student at the UNIVERSITY of LEEDS.

For my project, I have to use the principle of duality to model single-phase transformers. For limbs and yokes, non-linear inductors based on the Inverse Jiles-Atherton (IJA) method must be used. I wanted to utilize the inductor model of the PSCAD V5 for this purpose; however, there is no place to enter the cross-section area and length of the limbs/yokes.

As a result, I decided to implement this method in MATLAB and PSCAD. In MATLAB, due to 1/Z block (or delay), everything is fine. However, for PSCAD, I have some problems when B is high leading to high H as well. In PSCAD, I used delay blocks; nevertheless, I cannot find any fixed values for delay blocks to guarantee the proper results.

I really appreciate it if you could help me to solve this problem and implement inverse JA perfectly in PSCAD.

Best regards,

Amir

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Open Feb 25, 2022 - 11:27 AM

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