The paper introduces an advanced hydraulic pump/motor tester for mine, combining frequency-modulated control with power recovery techniques, and an engineering application example is given.

介绍采用变频调速和功率回收加载技术的新型矿用液压泵和液压马达试验系统，并有应用实例。

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W type ac, dc hydraulic power unit adopts the international popular k, special type gear pumps, pump motor, with more than 20 streamlined oil tank can satisfy different types of design.

型交、直流液压动力单元采用国际流行的K型齿轮泵，专用油泵电机，流线型油箱，具有20多种油路设计可满足不同类型的需要。

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Because the power is limited by the circulation pressure, therefor use the motor pump as the power of hydraulic, the power of the motor pump supply from the turbine generators underground.

由于动力源受制于环空压差，所以采用电机泵作为液压动力，电机泵由井下涡轮发电机供电。

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