提出采用变频驱动的内燃机车新型交流辅助传动系统方案，并结合该方案的试验结果进行全面分析。

A new design of AC auxiliary transmission system-using frequency-changed drive mode-is proposed. The test result of this design is analysed completely.

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本文研究的试验系统以能量互馈式交流传动试验系统为工作原理，包括牵引试验系统以及辅助试验系统。

The experiment test system which based on the twin inverter-motor reciprocal power-fed test rig is one of the most advanved and poplur test methods of AC drive.

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