Distribution transformer stations are important building blocks of electricity networks whose operation is crucial for the reliable and efficient operation of the electricity system. Depending on the insulating medium, the most common are air or gas insulated switchgear.
In the task describe the basic building blocks and characteristics of the distribution transformer stations, focusing in particular on the comparison between versions with air or gas-insulated switchgear. Based on a selected practical example, illustrate the procedure and criteria for determining the type of isolation medium.
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