ENERGY ACCUMULATOR FOR AN ON-LOAD TAP CHANGER, AND ON-LOAD TAP CHANGER COMPRISING AN ENERGY ACCUMULATOR

摘要

An energy accumulator (15) for or in an on-load tap changer (10) comprising a motor (11) with an output shaft (12) as well as a load transfer switch (13) with an input shaft (14) comprises - an elastic accumulation element (17), and - a gear unit which is coupled to the accumulation element (17) and which comprises: ∙ an input hub (201) that can be connected to the output shaft (12) for conjoint rotation therewith; ∙ an output hub (231) that can be connected to the input shaft (12) for conjoint rotation therewith; and ∙ a variable transmission means (20, 21) that is connected between the input hub (201) and the accumulation element (17).