SINGLE-PHASE AUTONOMOUS VOLTAGE INVERTER Russian patent published in 2023 - IPC H02M7/483 

FIELD: electrical engineering.

SUBSTANCE: method is used in the creation of electromechanical systems, for example, in the creation of alternating current generation systems, in various secondary power supply systems, in systems for compensating for a sudden change in power. A single-phase autonomous voltage inverter consists of two capacitors connected using controlled bidirectional switches, the capacitor DC link consists of two capacitors connected in series using a controlled bidirectional switch, so that one controlled bidirectional switch is installed between the two capacitors, the last capacitor is connected with one output to a DC voltage source, the second output of the DC voltage source is connected to the connection node of this capacitor with a controlled bidirectional switch, to the connection node of the DC voltage source and the controlled bidirectional switch installed between the capacitors, another controlled bidirectional switch is connected, which is connected with its end to the free terminal of the subsequent capacitor, the next controlled bidirectional switch is connected to the connection node of the controlled bidirectional switch installed between the capacitors, with the subsequent capacitor, and the remaining output is connected to the connection node of the last capacitor and the DC voltage source, it is connected with one output of the transistor racks to the first capacitor, and to the last capacitor with the second output of the transistor racks.

EFFECT: single-phase autonomous voltage inverter has the ability to increase the output voltage, increase the number of output voltage levels, and therefore improve the quality of the output voltage, operation with a reduced DC voltage source.

1 cl, 5 dwg