Applications
Railroad - Power Electronic Equipment for Rolling Stock

Railroads
Rolling stock use many different types of power electronic equipment such as main motor drives, auxiliary power supply units, air conditioning equipment and door operating devices. This page provides information on Fuji Electric power semiconductor products that are ideal for the power electronics of railroad cars.
Railroads
Main Converter Circuit Example

These are examples of the main motor drive circuit configuration. The voltage may be either AC or DC. For AC, after passing through the transformer, the power is converted to DC by the PWM converter and then the main motor is driven by the VVVF inverter.

Example of Main Converter for AC Powered Trains
Example of Main Converter for AC Powered Trains
Example of Main Converter for DC Powered Trains
Example of Main Converter for DC Powered Trains
Example of Feeding Voltage
Auxiliary Power Supply Circuit Example
Example of Auxiliary Power Supply for AC Powered Trains
Example of Auxiliary Power Supply for AC Powered Trains
Example of Auxiliary Power Supply for DC Powered Trains
Example of Auxiliary Power Supply for DC Powered Trains
Fuji Electric Power Semiconductor Products
AlSiC Baseplate (High reliability type)

1-pack

2-pack

Copper Baseplate (Standard type)

1-pack

2-pack

PrimePACK™

Note

PrimePACK™ is a registered trademark of Infineon Technologies AG, Germany.

2-Pack VCES = 1200V

2-Pack VCES = 1700V

Chopper

Step Up Chopper

Step Down Chopper

IGBT 1-Pack
IGBT 2-Pack

Standard 2in1 VCES = 1200V

Standard 2in1 VCES = 1700V

Dual XT VCES = 1200V

Dual XT VCES = 1700V

HPnC

Chopper

Chopper VCES = 1200V