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。

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.

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西门子负责的部分包括：列车控制及诊断系统、牵引逆变器、辅助逆变器、制动电阻、高压箱及受电弓，以及牵引电动机和齿轮箱。

Siemens' scope of supply includes: train control and diagnosis system, traction inverter, auxiliary inverter, brake resistor, HV box and Pantograph, as well as traction motor and gear box.

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燃料电池与牵引电机逆变器直接相连，与辅助电池和DC/DC器串联。

The fuel cell is connected with traction motor inverter directly and connected with the secondary battery and DC/DC convert in series.

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