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2. Modular indoor station: diagram
In most countries, the major transmission and interconnection functions are performed by very-high-voltage (VHV) networks, in France the 400 kV network and to a lesser extent the 225 kV network.
The distribution function is performed by high-voltage (HV) networks, in France the 90 kV or 63 kV network and, to a certain extent, the 225 kV network.
Distribution is handled by medium-voltage (MV) networks, in France the 20 kV network.
In the text, the terms extra-high voltage (EHV), high voltage (HV) and medium voltage (MV), used in everyday language, are employed, in particular to distinguish between the 63, 90, 225 and 400 kV voltage levels.
However, the current designations (UTE C 18-510) are HTB for voltages above 50 kV and HTA for voltages between 1 and...
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Modular indoor station: diagram
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