The electric UN model has Low Voltage and Medium Voltage asset groups in ElectricDistributionLine and a High Voltage asset group in ElectricTransmissionLine. What's the general thinking on where subtransmission fits in here?
The logic we used in modeling electric was to break the equipment by standard ansi voltage groups, referencing ANSI standard C84.1989. Also, there is no official set voltage range for "Subtransmission". It is just a loose definition of voltage that varies by organization is not a recognized standard voltage grouping. Electric power transmission - Wikipedia .
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