Test results demonstrated that the converter has the advantages of simple topology, high power density, high conversion efficiency, high power factor, uninterruptible power supply, low cost.

试验结果表明，这种变换器具有电路拓扑简单、功率密度高、变换效率高、功率因数高、不间断供电、成本低等优点。

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In addition, the test method of the efficiency of the combination of motor-oil cylinder and the effect of power factor on efficiency is proposed.

此外，还给出了电机—油泵组合体的效率测试方法及功率因数对效率的影响。

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