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Question:

What is the fuel cell plus dc-dc converter?

What is the fuel cell plus dc-dc converter?

Answer:

Step up and down! DCDC's main role is to step-down, if the battery I think it is energy feedback, the fuel cell depends on whether the other role, and there may be insufficient power or what the power generation.
May 9, 2017
DC / DC converter is an important part of the fuel cell vehicle power system. The main function is to convert the non-adjustable DC power supply into an adjustable DC power supply.
May 9, 2017
The output characteristics of the fuel cell are so soft that it is difficult to match the motor driver directly with its current-voltage characteristic curve. At the initial stage of the fuel cell load, the voltage Ufc descends rapidly. As the load increases, the flow increases and the voltage drops and the slope is much larger than that of the ordinary battery. Therefore, the output characteristic of the fuel cell is relatively soft. Specific load, the output power fluctuations will lead to fuel cell efficiency.
May 9, 2017

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