FIELD: instrument making.
SUBSTANCE: invention is related to the field of instrument making and may find application in power supply systems. In order to achieve this result, input linear filter (28) separates source (22) of alternating sinusoidal current from cascade of power switching (26). Section (44) of serial switching and section (46) of limiting switching comprise complementary pairs (68-70 and 86-88) of powerful fast-acting field MOS-transistors. Section (44) of serial switching is connected serially between input linear filter (28) and throttle (42) of output loading filter (3 8), which is connected between cascade (26) of power switching and load (24). Section of limiting switching (46) is connected parallel to throttle (42) and load (24). Programmable controlled based on microprocessor (56) generates control signals (102, 106) to provide for alternate conductivity of sections of serial and limiting switching.
EFFECT: expansion of functional resources.
17 cl, 9 dwg
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