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Subsea DC Link & DIgSILENT Software Questions

Subsea DC Link & DIgSILENT Software Questions

Subsea DC Link & DIgSILENT Software Questions

(OP)
Hi all,

I have three questions;

A) I will like to please get a rough schematic of how I can represent a simple AC distribution network attached as a DC distribution network. Speed control is not considered for the loads represented.

B) The transformers I have chosen(TR_a and TR_b)3MW, 33/11kv and 2.3MW, 33/11kv respectively are not found in the library. I saw a 45MW 33/11kV of higher power with thesame 33/11kv needed. I want to find out if it is o.k to copy this into my project folder and just change the the power rating(MW) since in the distribution folder, the highest I saw is a 2.5MW, 20/0.4kv transformer.

C) Finally, I will like to know the technical challenges with a subsea DC link.

Your assistance will be highly appreciated.

Thanks.

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