A control device for an AC electric vehicle that is applied to a configuration in which an SIV 7 is connected to an intermediate DC circuit unit 40 between a CONV 3 that converts an AC voltage input through a main transformer 2 to a DC voltage and an INV 4...

A power switching apparatus, configured to switch a power supply source that is configured to supply an electric power to an air conditioner that is mounted on a vehicle that can receive a power supply from a plurality of power sources, includes: a selecti...

A flexible energy management system is disclosed, which can be applied to trains having a wide variety of formations. The invention uses a special recycling vehicle incorporating regenerative braking and energy storage such as a battery, together with a po...

This invention relates to a power supply point (1) comprising at least one power output (2), and a supply cable (5) which connects the power output to an electric network to electrify the power output (2). In order to detect power supply interference, the ...