In the distribution grids, where there are seasonal loads installed, in the half of the year the installed transformers and equipment have almost no use (very low). What is the base method for distribution grid design in order to have those equipments still used and working for the other parts of the grid in the periods with low load factors? Are the smart distribution grids, or local generation capabale of giving a solution for having the maximum use of the distribution grid equipment for all seasons?
I know the classical way is to manually exchange the high capacity transformers with smaler ones, in other words manual rearrangement of distribution grid equipment multiple times in a year. But Do new methods exist using smart generation/distribution grids?
Hi Mani
I did not understand the meaning of manually exchanging of transformers. But the practical scheme is using two transformers which the second one only comes to service in peak loads. So the distribution network operators try to decrease the core loss of transformers when the load can be supplied mjust by the first transformer.
Depending on life consuming cost based on temperature rise and use, on line strategy could be decided using computer and micro controller, with the use of mathematical formulae developed, refer my papers...
Farhad Yazdi Thanks Farhad. The study involves to find new ideas to have the most use and benefit of distribution transformers and distribution network installed on tourist areas, where the load factor is low. As an example, how should the capacity of transformers chosen for the plases with variable seasonal loads, in which only in summer the load peak is high and in the rest of the year the load is small.
You are welcome Mani. Usually the first transformers' capacity will be chosen based on the base load and the second one capacity will be chosen based on [ peak (summer) - first transformer capacity]. Please specify the exact load curve for better analysis. Tank you
Farhad Yazdi Thanks so much frahad. If it is possible for you, could you please suggest me some publications or references regarding this topic?
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