MV and LV architecture selection guide for buildings

Simplified architecture design process

• The architecture design
• The whole process

Architecture assessment criteria

• On-site work time
• Environmental impact
• Preventive maintenance level
• Availability of electrical power supply

Choice of architecture fundamentals

• Connection to the utility network
• Internal MV circuits
• Number and localisation of MV/LV transformer substations
• Number of MV/LV transformers
• MV back-up generator

Choice of architecture details

• LV distribution - centralized or distributed layout
• Presence of LV back-up generators
• Presence of an Uninterruptible Power Supply (UPS)
• Configuration of LV circuits