Auxiliary Power Supply System

Fuji Electric provides a high efficiency and economical auxiliary power supply system (APS) for railcars used in public transportation. The APS was designed to provide less frequent stops and easier maintenance.

Fuji provides the best solution for every customer's operating service requirements.

Utility frequency (50/60Hz) isolation transformer system

Features

• High efficiency
  That a small number of parts in a simple circuit
  configuration, has achieved high efficiency.
• High reliability
  That the control is simple and the number of components
  is small, has high reliability.
• Saving maintenance
  It requires almost no maintenance

Medium frequency isolation transformer system

Features

• By increasing the frequency of the isolation transformer, it becomes about one-tenth the size and weight of the inductor and the transformer, and has achieved a reduction in box size and weight.

Auxiliary power unit of Fuji Electric has been used in any environment in the world.

Examples of specification