OFF-LINE POWER SUPPLY SYSTEM FOR MOBILE EQUIPMENT Russian patent published in 1999 - IPC

FIELD: power engineering. SUBSTANCE: system has main and stand-by power supplies, external switchgear installations, main and stand-by cable lines, centralized automatic control device incorporated in multicomputer system and data exchange unit, mobile pieces of equipment each incorporating main, stand-by, and transit power bushings, transit cable lines, four switching devices in input circuits, selector switch with two switching devices and control unit, two power circuit breakers, two switching devices for connecting main and auxiliary loads and their control unit, input voltage monitoring unit, power take-off unit, channel switching unit, control command receiving and transmitting unit, communication lines that function to interconnect centralized automatic control device, mobile pieces of equipment, main and stand-by power supplies. Novelty is introduction of centralized automatic control in system and also four switching devices, two power circuit breakers, input voltage monitoring unit, command receiving and transmitting unit in mobile pieces of equipment, as well as relevant changes in interconnections of all system components. EFFECT: improved reliability of power supply and enlarged functional capabilities of system. 2 cl, 2 dwg