Victron Autotransformer 120/240VAC-100A - ITR00010010101

Energy Optimization with Autotransformer

Autotransformer functions:

• Increased tension.
• Stress reduction.
• Voltage equilibrium in separate phases.

Load Balancing Challenge:

• Power supply with separate phases (120/240V, 30A).
• Current unbalance when connecting 120V loads.
• Loss of effective load capacity.

Theoretical vs. Actual Maximum Power:

• Maximum theoretical power: 30 x 240 = 7.2kVA.
• After an unbalance of 20A: 30 x 120 + 10 x 120 = 4.8kVA (67% of the theoretical power).

Solution: Autotransformer

• Neutral disabled.
• Autotransformer creates a new neutral.
• Load unbalance absorption.
• Full load capacity of 7.2kVA even with 20A unbalance.

Grounding function:

• Essential for Multi or Quattro type chargers/inverters.
• Controlled by Multi or Quattro devices at 230/240V.
• Neutral grounding in separate phase situations.

Protection against overheating:

• Automatic shutdown in case of overheating.
• Manual re-initialization.

Efficient Alternative to Overlapping Inverters:

• 240V inverter with additional autotransformer.
• Balanced load up to 21A on each 120V branch.
• Avoids load capacity limitations.
• Efficient use of energy.

Datasheet Victron Autotransformer 120/240VAC-100A - ITR00010010101

View Victron Autotransformer 120/240VAC-100A - ITR000100101 data sheet