Although the coal conveying ability is increasing with the appearance of double-motor driving system, it leads to unbalanced power problem of double motor.

双电机拖动系统的出现，虽然使煤炭运输能力有了很大提高，但带来了电机功率不平衡问题。

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It can also solve the problem of motor overload destroys due to the electromagnetism difference in double motor drive through whole digital integrated control.

在双电机拖动中因为电机的电磁差异，致使其中一台电机过负载烧坏的问题，可由全数字集成控制有效解决。

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The feasibility and necessity of economic reasonable operation of symmetrical reciprocating double motor drive lifter are expounded, and analyzed with actual example.

阐述了对称往复式双机拖动提升机经济合理运行的可行性和必要性，并进行了实例分析。

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The electric drive produces 95 hp, more than double the power of the previous model's electric motor (47 hp).

ENGADGET: Porsche Panamera S E-Hybrid plug-in model brings 416 guilt-free horsepower

Once out in traffic, I appreciated how the electric motor assistance gave me the necessary speed to keep up with the red double-decker buses.

BBC: Rent an electric bike in London

The three largest U.S. automakers grew their sales at double-digit speeds after having suffered the worst sales month since 1983 in August, while Toyota Motor continued to suffer losses.

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