构造简单，包括竹、可回收电子元件——发光二极管、电线和发电机，这些都不会有很大的生态环境的影响。
In a simple construction made from bamboo and recyclable electronic components - LEDs, wires and dynamo - the lamp is relieved from any major eco-impact.
介绍了在二极管钳位三电平逆变器异步电机调速系统中如何采用空间矢量调制与直接转矩控制相结合的控制方法。
So this paper focuses on the study of direct torque control of induction motor based on diode-clamped three-level inverter.
当电机作四极运转时，先按二极运转启动，然后切换开关使主绕组抽头A2与A4连接电机既作四极运转，此时副绕组开路。
When the motor runs in four-pole mode, it is started at two-pole mode and taps A2 and A4 are then connected together. In the meantime secondary winding is open.
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