Patent ID: 6693371
Filing Date: 2004-02-17
Classification: H02J

Abstract:
An uninterruptible power supply for providing AC power to a load, the uninterruptible power supply comprising:an input to receive AC power from an AC power source; an output that provides AC power; a DC voltage source that provides DC power, the DC voltage source having an energy storage device; an inverter operatively coupled to the DC voltage source to receive DC power and to provide AC power; a transfer switch constructed and arranged to select one of the AC power source and the DC voltage source as an output power source for the uninterruptible power supply; and a chassis for housing at least the DC voltage source, inverter, and transfer switch, the chassis comprising: a first panel having a substantially â€œLâ€  shaped appearance; a second panel constructed and arranged to mate to the first panel; and a first fastener securing the first panel and the second panel into a substantially fixed configuration; and a door movably coupled to the chassis between an open position and a closed position, the DC voltage source being substantially enclosed by the door and the chassis when the door is in the closed position, and the DC voltage source being accessible through the chassis when the door is in the open position.