Energy saving during modern lift operation (Conference Paper)

Mitronikas, E.D.a, Spyropoulos, D.V.a, Papanikolaou, N.P.a, Tatakis, E.C.a, Spyropoulos, N.b
aDepartment of Electrical and Computer Engineering, University of Patras, Greece

Proceedings - 2014 International Conference on Electrical Machines, ICEM 201417 November 2014, Article number 6960266, Pages 756-76121st International Conference on Electrical Machines, ICEM 2014; Andel's Hotel BerlinBerlin; Germany; 2 September 2014 through 5 September 2014; Category numberCFP1490B-ART; Code 109303 

In this work, an active regenerative braking converter using a bidirectional Buck-Boost converter is implemented in order to improve the overall efficiency of modern building lifts. The converter is connected in parallel to the inverter DC-bus. Energy is stored in a set of supercapacitors during regeneration and it is transferred back to the DC-bus when the elevator accelerates. In order to test the effectiveness of the proposed converter, a simulation model of the whole lift has been developed and simulation tests have been carried out. To illustrate operation of the whole system, characteristic results are presented and discussed.


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