FIELD: electricity.
SUBSTANCE: invention is related to uninterrupted power supply systems. The invention suggests a method for output signals control of an uninterrupted power supply system (UPS) according to which the outputs signals of different shapes are generated through the UPS thus allowing users to switch to the required shape of the power signal at the output when the UPS switches to the supply mode from an accumulator battery. The output signal can have a rectangular or sinusoidal shape. The users can choose the power signal at the output of the rectangular or sinusoidal shape depending on the load characteristics.
EFFECT: one UPS provides high efficiency factor and longer time of discharge or better output characteristics and lower noise level depending on different load modes.
18 cl, 9 dwg
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