UNINTERRUPTED FEEDING AND PROCEDURE OF PUTTING INTO PRACTICE OF SUCH FEEDING.

摘要

Uninterruptible power supply comprising: - at least a first input (5) intended to be connected to a first source (6) of an alternating voltage (VACin1), - a power output (3) intended to be connected to an electrical load (4), - a first converter (1) of the alternating voltage at the first input into a continuous voltage (VDC), - a second reversible converter (2) of the direct voltage into an alternating voltage at the power output (VACout ), - a branch and / or selection circuit (9) equipped with switch means (10) for directly coupling, during operation in economic mode, an input (7) with the power output (3), and - means of control (13) comprising a set of units (21, 23, 41, 44, 71, 73) used during normal mode operation during which the input (7) is decoupled from the power output (3) by the opening of the switching means (10) of the drift circuit ation and / or selection (9), in which, during operation in economic mode, the first converter (1) stops, characterized in that the unit set comprises a first voltage regulation unit (41) equipped with a output (42) to supply a first reference current (Iref1) and a second current regulation unit (23) of the second converter (2) equipped with a reference current input (24), and because the control means ( 13) comprise switching means (121, 122, 131) designed to connect, during operation in economic mode, the output of the first voltage regulation unit with the input of the second current regulation unit, to regulate, in the operation in economic mode, the quality of the current in said input (7).