The power characteristic of the motor for pumping units is introduced and the reactive power principle is analyzed in this paper.

介绍了采油电动机的功率特点，分析了产生无功功率的原理，提出固定电容补偿与动态补偿相结合的措施。

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The torque characteristics, power characteristic and field weakening characteristic of the SPM motor have been analyzed in details by the phasor method.

采用永磁同步电机d、q坐标系下的相量分析法，研究不同弱磁率对电机功率特性、转矩特性和弱磁特性的影响。

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It is discussed to change the cross structure of baffle to improve the power characteristic of the impeller and the mixing efficiency of the agitating system.

探讨通过挡板截面结构的变化，改善叶轮的动力特性，提高搅拌体系的混合效率。

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They work by detecting the characteristic high-power radio transmission a phone makes when it tells the network it is ready to ring.

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Finally, a gold standard produces trust in the dollar because gold has the unique characteristic of maintaining its buying power over time.

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The majority "deprives States of what most would consider the defining characteristic of sovereignty: the power to exclude from the sovereign's territory people who have no right to be there, " Justice Scalia wrote.

WSJ: Supreme Court Splits on Arizona Immigration Law