Title :
A comparative evaluation of fine regenerative and nonregenerative vector controlled drives for AC gearless elevators
Author :
Kulkarni, A.B. ; Nguyen, Hien ; Gaudet, E.W.
Author_Institution :
Thyssen Dover Elevator, Horn Lake, MS, USA
Abstract :
This paper presents a comparative evaluation of regenerative and nonregenerative vector controlled variable voltage variable frequency (VVVF) drives for AC gearless elevators. The study includes a detailed analysis of energy consumption, line voltage and current harmonics, elevator machine room heat generated, input power factor and peak demand for each elevator control system. The input voltage and current waveforms are presented for both regenerative and nonregenerative drives to show the clean power nature of the VVVF regenerative drive. Extensive test data from the field is also presented to validate the analysis
Keywords :
AC motor drives; lifts; machine vector control; power factor; AC gearless elevators; VVVF drives; elevator control system; elevator machine room heat generated; elevator position control; energy consumption; input current waveforms; input power factor; input voltage waveforms; line current harmonics; line voltage harmonics; nonregenerative vector controlled drives; peak demand; regenerative vector controlled drives; variable voltage variable frequency drives; Control systems; Elevators; Energy consumption; Frequency; Harmonic analysis; Power generation; Power system harmonics; Reactive power; Temperature control; Voltage control;
Conference_Titel :
Industry Applications Conference, 2000. Conference Record of the 2000 IEEE
Conference_Location :
Rome
Print_ISBN :
0-7803-6401-5
DOI :
10.1109/IAS.2000.882072
