This paper features a comprehensive survey of all the plans, which are applicable to crane hoists, of the speed control of wound motor rotor thyristor.

本文对起重装置适用的绕线电动机转子可控硅调速各种方案进行了综述。

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PWM mode was analyzed, and a kind of variable-resistance timing Winch being of simple structure and large power supply was put forward by using wire-wound motor and series resistance timing principle.

分析了PWM的调整方式，利用绕线式电机和串电阻调速的原理，提出了一种结构简单、功率强的变阻调速绞车。

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The synchronous hysteresis motor consists of a polyphase-wound stator and a magnetically hard rotor .

同步迟滞电动机由一个多相缠绕的定子和一个硬磁转子所组成。

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Domestic auto sales were also in focus as the week wound down, with February figures from Ford Motor and Chrysler coming in at five-year highs and General Motors topping estimates with a 7% sales increase.

FORBES: Street Shrugs As Clock Ticks Toward Sequester

Putting more than half a million road miles on development versions of the Spark EV enabled engineers to make the performance of the electric motor the best it could be by using a bar wound copper stator and unique rotor configuration.

ENGADGET: Chevy Spark EV rated most efficient retail car with 82-mile range, 119 MPGe