DEVICE FOR GUARANTEED POWER SUPPLY TO ESSENTIAL LOADS Russian patent published in 2011 - IPC H02J9/04 

FIELD: electricity.

SUBSTANCE: invention relates to the field of electric engineering and may be used for guaranteed power supply of essential loads. Proposed device connected to gas piston autonomous power plant, comprises standby diesel generator, decoupling unit with power system, comprising rectifier, connected via DC busbars with inverter, source of uninterrupted power supply or accumulator battery, and circuit breaker used to connect autonomous power plant or accumulator battery to AC bus; circuit breaker used to connect diesel generator, facility of automatic disconnection of disconnected loads of power supply with various extent of importance and directly essential loads, and control system designed to match operation of gas piston power plant, diesel generator and source of uninterrupted power supply, which using its control actions acts at source of uninterrupted power supply and diesel generator.

EFFECT: simplified circuit of uninterrupted power supply device for essential loads; cost reduction of device, with preservation of reliability and stability.

1 dwg