FIELD: transportation.
SUBSTANCE: electric drive of an elevator hoist comprises a unit of a power accumulator on the basis of supercapacitors (4), connected to an outlet of a rectification device (3) by means of a reversible DC converter (5), which comprises a control circuit (6).
EFFECT: increased energy efficiency of an elevator plant.
5 cl, 1 dwg
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Authors
Dates
2015-08-27—Published
2013-12-23—Filed