FIELD: electricity.
SUBSTANCE: charge-discharge device includes the first (1) and second (24) alternating voltage network with a group of DC voltage consumers, the first (2) and second (19) automatic circuit-breakers, the first (3), second (17), third (2) and fourth (22) current sensors, the first (4), second (6) and third (13) filter, the first (5), second (7) and third (16) rectifier-inverter at that the second rectifier-inverter (7) includes the first (8), second (10), third (9) and fourth (11) IGBT-keys; protection unit (12), a group of DC voltage consumers (14), transformer (15), DC voltage network with accumulator battery (18), the first (20) and second (23) voltage sensor, the first (25), second (26) and third (28) unit of power key drivers, analogue-to-digital converter (27), uninterrupted power supply with accumulator battery (29) and microcontroller (30).
EFFECT: improving reliability, increasing time of uninterrupted operation and energy saving.
1 dwg
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