About TAKIGUCHI HIROSHI
About JR東日本
About JR EAST Technical Review (Web)
About electric railcar
About railway electrification
About lithium ion battery
About charge (battery)
About pantograph
About DC-DC converter
About traction motor
About motor control
About inverter
About regenerative brake
About power converter
About overhead contact line
About 蓄電池駆動電車
About 非電化
About VVVF control
About Powered vehicles
About 蓄電池
About 電車
About EV
About 概要