PWM Inverter with Voltage Booster with Regenerating Capability Aug mented by Double-Layer Capacitor for Driving Permanent-Magnet Synchronous Motor.

用于驱动永磁同步电机的具有双层电容器增强再生能力的升压器 PWM 逆变器。

基本信息

批准号：
15560249
负责人：
YAMAMOTO Kichiro
金额：
$ 2.37万
依托单位：
Kagoshima University
依托单位国家：
日本
项目类别：
Grant-in-Aid for Scientific Research (C)
财政年份：
2003
资助国家：
日本
起止时间：
2003 至 2004
项目状态：
已结题

项目摘要

An interior permanent magnet(IPM) synchronous motor drive system which has regenerating capability augmented by double-layer capacitors was proposed. The motor is driven by a PWM inverter with voltage booster. The voltage booster is used to control the dc link voltage in high speed region to improve the system efficiency. Furthermore, the double-layer capacitor as a storage element is combined with the PWM inverter with voltage booster to gain the efficiency for the regenerating operation. In this system, normally, the regenerative power does not return to a battery directly but is stored in the double-layer capacitors for the next motoring action to suppress the excessive regenerative current to battery, and the regenerative power returns to the battery when the regenerative energy is larger than a certain value. The charging current to the battery is controlled to a constant value to extend the life-time of the battery.The transient and steady state characteristics of the system for 1.5kW IPM motor were investigated by both simulation and experiment. Parameters of double-layer capacitor were 115V and 207F. The validity of the simulated results was confirmed by comparing the simulated results with that obtained from the experimental. Furthermore, the fact that for two modes of the regenerating operation the system works properly, is confirmed by both simulated and experimental results.The proposed system can recovery the regenerative energy effectively and would be able to contribute for the extension of the life-time of the battery.

提出了一个由双层电容器增强的内部永久磁铁（IPM）同步电动机驱动系统。电动机由带电压助推器的PWM逆变器驱动。电压助推器用于控制高速区域中的直流链路电压，以提高系统效率。此外，将双层电容器作为存储元件与PWM逆变器结合使用，并具有电压助推器，以提高再生操作的效率。通常，在该系统中，再生功率不会直接返回电池，而是将其存储在双层电容器中，以进行下一个驾驶动作，以抑制电池过多的再生电流，而当再生能量大于一定值时，再生功率将返回到电池中。电池充电电流可将电池的恒定值控制为延长电池的寿命。通过模拟和实验研究了系统的1.5kW IPM电动机系统的瞬态和稳态特性。双层电容器的参数为115V和207F。通过将模拟结果与从实验中获得的结果进行比较，证实了模拟结果的有效性。此外，对于该系统正常工作的两种模式，模拟和实验结果证实了这一事实。所提出的系统可以有效地恢复再生能量，并能够为延长电池的寿命做出贡献。