A large disc-shaped rectifying antenna attached to the fuselage harvested the microwave energy, turning it into direct current to power an electric motor attached to the plane's propeller.
机身上的圆盘形整流天线能接收地面传输的微波能,将其转化为直流电为飞机推进器上的电动机供能。
2
An in-situ test of large industrial water primps characteristics, which is a combination of thermodynamical method and motor shaft power measurement, is described in this paper.
将热力学方法与电工仪表测算电动机轴功率方法结合起来,可以较准确地测出一台工业用大型水泵的性能。
3
The proposed power supply is also well suitable for use in high power application such as electric utility and largemotor drive systems where a great number of power electronic devices are involved.