Improvement of the electric energy consumption of permanent magnet synchronous motor drive system using three-level inverter

被引：0
作者：
Nagaoka University of Technology, 1603-1, Kamitomiokamachi, Nagaoka, Niigata [1 ]
940-2188, Japan
机构：
[1] Nagaoka University of Technology, 1603-1, Kamitomiokamachi, Nagaoka, Niigata
来源：
IEEJ Trans. Ind Appl. | / 6卷 / 632-640期
关键词：
Efficiency map; Electric energy consumption; Electric vehicle/hybrid electric vehicle; Permanent magnet synchronous motor; Three-level inverter;
D O I：
10.1541/ieejias.135.632
中图分类号：
学科分类号：
摘要：
This paper discusses the electric energy consumption of a permanent magnet synchronous motor (PMSM) drive system applied to a two-level inverter or a three-level inverter. The calculation method of energy consumption based on an efficiency map is proposed. First, the energy consumption of the motor drive system is measured. When the three-level inverter is applied, the energy consumption decreases by 3.67% compared with the two-level inverter. Next, it is confirmed that the error ratio between the calculation result and the measurement result is 4.40%. In addition, the energy consumption of the PMSM drive system for hybrid electric vehicles is calculated by the proposed method. Thus, it is clarified that when the three-level inverter is employed, the energy consumption decrease ratio compared with the two-level inverter in the low-speed and low-torque region is higher than that in the other region. © 2015 The Institute of Electrical Engineers of Japan.
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页码：632 / 640
页数：8
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