MULTICHANNEL NO-BREAK AC AND DC POWER UNIT Russian patent published in 2010 - IPC H02J7/34 H02J9/06 

FIELD: electricity.

SUBSTANCE: invention can be used for no-break high-stable power supply of 28.5 V DC and 230 V single-phase AC at frequency 50 Hz for responsible consumers of various industrial and military-oriented objects (moving and stationary). The unit comprises a reserved AC network (25), three switches (2, 26 and 49); a ventilator unit (3), ventilator control unit (4), two air temperature sensors (5 and 54); six power units (7, 17, 27, 43, 55 and 57); seven voltage sensors (8, 18, 28, 41, 44, 47 and 58); a filter switching overvoltage filter (9), a radio interference filter (11), a three-phase alternating voltage allocation scheme (12), a decoupling diode unit (14), the first to fifth microcontrollers (15, 48, 30, 46 and 60), four inverters (31, 19, 34 and 50), four filters (22, 32, 37 and 51); four current sensors (23, 33, 38 and 52); four power key driver units (29, 40, 45 and 59) and a decoupling diode (56).

EFFECT: ensured no-break secured power supply.

6 cl, 1 dwg