Electrical Equipment for Railcars
![Auxiliary Power Supply System (APS)](/products/social_infrastructure/electric_railways/product_series/__icsFiles/afieldfile/2024/01/23/148_1.jpg)
Fuji Auxiliary Power Supply Line Up
Fuji's APS will be satisfied with various requirement.
Large Capacity APS for DC Cars with 3-Level Inverter
![](/products/social_infrastructure/electric_railways/product_series/__icsFiles/afieldfile/2023/11/24/3_img_01.jpg)
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Less acoustic noise and less EMI with 3-level inverter
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Larger capacity with small size
Typical specifications ;
APS for AC Cars with IGBT PWM Converter
![](/products/social_infrastructure/electric_railways/product_series/__icsFiles/afieldfile/2023/11/24/3_img_02.jpg)
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More stable DC link voltage by using IGBT PWM converter
Typical specifications ;
Small Size and Light Weight APS for Small Cars
![](/products/social_infrastructure/electric_railways/product_series/__icsFiles/afieldfile/2023/11/24/3_img_03.jpg)
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Medium frequency isolation system with forced-air cooling makes equipment smaller and lighter
Typical specifications ;
Ultra High Reliability APS with Stand-by Power Unit
![](/products/social_infrastructure/electric_railways/product_series/__icsFiles/afieldfile/2023/11/24/3_img_01ee.jpg)
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APS with stand-by spare power unit. If the power unit fails, the equipment switches to the stand-by power unit and continue to supply auxiliary power
Typical specifications ;
Auxiliary power supplies of Fuji Electric have been used in various environments in the world.
Examples of Supply Areas
![](/products/social_infrastructure/electric_railways/product_series/__icsFiles/afieldfile/2023/11/24/3_img_05.jpg)
Examples of Specification
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※1
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Belt coupilng
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※2
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Hydrauilc coupling
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※3
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Directc oupling