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1·The auxiliary inverter system of electric locomotive is used to cool down the main circuit and offer wind regime for the air brake system.

电力机车的辅助变流系统主要为机车主电路提供冷却，为空气制动系统提供风源。

2·The auxiliary inverter of electric locomotive is used to provide power for the fan load which cools down the main circuit and offer wind regime for the air brake system.

电力机车的辅助逆变器主要为机车主电路冷却风机和空气制动风机提供电能。