Choice of architecture fundamentals

For the installations considered in this guide, the selection of an electrical architecture can be performed in two stages.

• The first stage is generally dedicated to:
  • The selection of the mode of connection of the installation to the utility network,
  • The choice of the internal MV distribution including:
    • The definition of the number of MV/LV substations,
    • The definition of the number of MV/LV transformers,
    • The definition of the MV back-up generator when needed.
• The second stage deals with the principle of supply of the LV consumers