Improvement of the Electric Energy Consumption of Permanent Magnet Synchronous Motor Drive System Using Three-level Inverter
Improvement of the Electric Energy Consumption of Permanent Magnet Synchronous Motor Drive System Using Three-level Inverter
复制标题
三电平逆变器改善永磁同步电机驱动系统电能消耗
DOI：
10.1541/ieejias.135.632
复制
发表时间：
2015
影响因子：
--
通讯作者：
J. Itoh
中科院分区：
文献类型：
--
作者：
D. Sato;J. Itoh
本文讨论了永磁同步电动机（PMSM）驱动系统应用于两电平逆变器和三电平逆变器时的电能消耗。提出了基于效率图的能耗计算方法。首先，测量电机驱动系统的能耗。当三电平逆变器应用时，与两电平逆变器相比，能耗降低了3.67%。接下来，确认计算结果和测量结果之间的误差比为4.40%。此外，该方法还计算了混合动力汽车永磁同步电机驱动系统的能耗。因此，清楚的是，当采用三电平逆变器时，与两电平逆变器相比，在低速和低转矩区域中的能量消耗降低比高于在其它区域中的能量消耗降低比。
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.