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DC Electrification System

As an electrical facility for supplying stable and highly reliable DC power to DC electric trains, the equipment for this system is being delivered widely. The main equipment consists of PWM converter, silicon rectifiers, hybrid converter, active filters, HSVCB etc..And the package type substation which equips with all the essential function into the outdoor enclosures, has been developed.

Benefits & Value

  • Package type substation for medium and small substations enables the area of substation to be reduced.
  • HSVCB enables maintenance work to be reduced.
  • Hybrid inverters and converter realizes high efficiency.
  • Rectifiers using heat pipes and also the adoption of liquid silicone or rapeseed oil as the insulating oil instead of mineral oil are environmentally friendly.

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Performance

Heat pipe silicon rectifier
Japan
for Fukuoka City Transportation Bureau

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Hybrid converter
Japan
for Osaka Monorail Co., Ltd.

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1500 V DC high-speed vacuum circuit
Japan
for Keihan Electric Railway Co., Ltd.

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Environmentally friendly transformer
Japan
for Tobu Railway Co., Ltd.

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Package type transformer
Japan
for Hiroshima Electric Railway Co., Ltd.

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