GUARANTEED POWER SUPPLY SYSTEM FOR RAILWAY CARS Russian patent published in 2021 - IPC H02J3/10 H02J9/04 

FIELD: electrical engineering.

SUBSTANCE: invention relates to the field of electrical engineering and can be used as a device for guaranteed power supply of electric train cars. The system contains a DC voltage distribution device, a DC contact network, DC and AC consumers, a high-voltage three-phase inverter with a transformer output, which contains a current switch and a control system. The system also contains a three-phase transformer, the primary and secondary windings of which are connected in a star, a rectifier, a block of dividing diodes with n sections and a guaranteed power supply bus. The energy-mechanical unit contains a set of diesel generator sets from the first to the m-th, a set of rectifiers from the first to the m-th, a storage battery and a low-voltage three-phase inverter with a sinusoidal output voltage. DC consumers are connected to the guaranteed power supply buses, and AC consumers are connected to the specified low-voltage inverter.

EFFECT: provision of guaranteed power supply to consumers of direct and alternating current of cars both during movement and at stops.

1 cl, 1 dwg