DC POWER CONVERTER FOR POWER SUPPLY SYSTEMS FOR AEROSPACE VEHICLES Russian patent published in 2021 - IPC H02J7/35 

Abstract RU 2741830 C1

FIELD: electrical engineering.

SUBSTANCE: converter contains two chokes, a solar battery and a storage battery, the negative terminals of which are combined and connected to a common point of the circuit, two diodes, the cathodes of which are combined and connected to the positive terminal of the output capacitor, the negative terminal of which is connected to the common point of the circuit. The first opposite terminals of the windings of the two-winding transformer are connected to each other and to the first terminal of one of the two chokes, the second terminal of which is connected to the junction point of two consecutively connected transistors forming a rack, while the lower transistor of the rack is connected to a common point of the circuit, and the upper transistor of the rack is connected with a positive terminal of the storage battery and a positive terminal of the input capacitor, the negative terminal of which is connected to a common point of the circuit. The second terminal of each of the two windings of the transformer is connected to the anode of one of the two diodes and the drain of one of the two transistors, the sources of which are connected to a common point of the circuit, a transistor is connected between the combining point of the transformer windings and the first terminal of the second choke, between the first terminal of the second choke and the positive terminal the output capacitor a diode is switched on, the positive terminal of the solar battery is connected to the second terminal of the second choke.

EFFECT: decrease in the number of semiconductor power switches and, as a consequence, increase in efficiency and specific weight and dimensions of the converter.

1 cl, 5 dwg

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RU 2 741 830 C1

Authors

Kharitonov Sergei Aleksandrovich

Shtein Dmitrii Aleksandrovich

Zharkov Maksim Andreevich

Korobkov Dmitrii Vladislavovich

Kurochkin Denis Anatolevich

Klassen Sergei Vladimirovich

Dates

2021-01-29Published

2020-09-28Filed