The Transactions of the Korean Institute of Power Electronics (전력전자학회논문지)

The Korean Institute of Power Electronics (전력전자학회)
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SiC Motor Drive for Elevator System

엘리베이터 시스템을 위한 SiC 권상기 드라이브

  • Gwon, Jin-Su (Advanced Controls Research Team, Hyundai Elevator) ;
  • Moon, Seok-Hwan (Advanced Controls Research Team, Hyundai Elevator) ;
  • Kim, Ju-Chan (Advanced Controls Research Team, Hyundai Elevator) ;
  • Lee, Joon-Min (Advanced Controls Research Team, Hyundai Elevator)
  • Received : 2019.01.25
  • Accepted : 2019.04.02
  • Published : 2019.06.20
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Abstract

With the recent emphasis on the importance of energy conservation, studies on high-efficiency elevator systems are being continuously conducted. Therefore, pulse width modulation converters are commonly used in traction drives on elevator systems. Wide bandgap devices have been increasingly commercialized, and their application to power conversion systems, such as renewable and energy storage system, has been gradually increasing. In this study, a SiC inverter for an elevator traction drive is investigated. In particular, an inverter is designed to minimize stray and parasitic inductance. Input and output filters are designed by considering switching frequency. The designed SiC inverter reduces volume by approximately 32% compared with that of a Si inverter, and power converter efficiency is over 98.8%.

Keywords

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Fig. 2. The double pulse test circuit.

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Fig. 5. The block diagram of 11kW SiC inverter elevator drive system.

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Fig. 1. The structure of DC-link busbar.

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Fig. 3. The structure of 11kW SiC inverter drive.

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Fig. 4. The volume difference between the proposed Si and SiC inverter system.

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Fig. 6. The elevator tower test experiment system.

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Fig. 7. The experiment result of double pulse test.

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Fig. 8. The simulation results of IGBT, hybrid SiC, full SiC.

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Fig. 9. The experiment result of elevator test tower in SiC inverter.

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Fig. 10. The comparison of experiment results of Si and SiC inverter of elevator tower system.

TABLE I INPUT AND OUTPUT FILTER DESIGN SPECIFICATIONS PHYSICAL CHARACTERISTICS OF SI AND THE MAJOR WBG SEMICONDUCTORS

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TABLE III ELEVATOR SYSTEM SPECIFICATIONS

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TABLE II INPUT AND OUTPUT FILTER DESIGN SPECIFICATIONS

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