Airflow control in fuel cell for vehicles based on stack allowable current

QI Hongfeng; GUO Ai; CHEN Chao; WANG Yingming; SHI Junjie

doi:10.13890/j.issn.1000-128X.2022.03.016

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Airflow control in fuel cell for vehicles based on stack allowable current

Hybrid Power and Hydrogen Energy Application | 更新时间：2024-08-02

- Airflow control in fuel cell for vehicles based on stack allowable current
- Electric drive for locomotives Issue 3, Pages: 125-129(2022)
- 作者机构：
  
  1.中车工业研究院有限公司，北京　　100070
  2. 西南交通大学电气工程学院，成都, 四川 611756
  3. 中车唐山机车车辆有限公司，唐山, 河北 063035
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.03.016
  CLC： TM911.4;U482.1
- Published：10 May 2022，
  
  Received：22 September 2020，
  
  Revised：19 March 2022，
- 稿件说明：
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QI Hongfeng, GUO Ai, CHEN Chao, et al. Airflow control in fuel cell for vehicles based on stack allowable current. [J]. Electric drive for locomotives (3):125-129(2022)
DOI：

QI Hongfeng, GUO Ai, CHEN Chao, et al. Airflow control in fuel cell for vehicles based on stack allowable current. [J]. Electric drive for locomotives (3):125-129(2022) DOI： 10.13890/j.issn.1000-128X.2022.03.016.

摘要

为了避免车载燃料电池在加载工况下电堆出现“氧饥饿”现象，提升其响应速度，提出了一种计及电堆允许电流的燃料电池空气流量控制方法。首先，依据电堆阴极实时空气流量，估算电堆允许电流用以限制电堆电流；然后，根据负载需求功率实时获取需求电流；最后，动态计算所需空气流量，控制空压机转速。同时，设计补偿环节，修正参考电流使其与电堆电流保持一致。仿真结果表明：当负载需求功率急剧增加时，计及电堆允许电流的控制方法可以在避免“氧饥饿”的基础上缩短实际电堆功率加载时间。

Abstract

In order to avoid "oxygen hungry" in fuel cells under the loading condition and improve response speed of fuel cells for vehicles

an fuel cells air-flow control method containing allowable current in stack was proposed. Firstly

based on the actual air flow in the stack cathode

the allowable current of the stack was estimated to limit the stack current. Then

the demand current was obtained according to the load demand power. Finally

the required air flow was dynamically obtained to control the speed of the compressor. Meanwhile

a compensator was designed to keep the reference current with the stack current. The results show that when the load current demand power is rapidly increased

the control method with the stack allowable current has a short load time and can avoid "oxygen starvation".

关键词

燃料电池空气流量过氧比氧饥饿电堆允许电流仿真有轨电车

Keywords

fuel cellair flow rateexcess oxygen ratiooxygen starvationstack allowable currentsimulationtram

references

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ZHAO Dongdong, LI Fei, MA Rui, et al. An unknown input nonlinear observer based fractional order PID control of fuel cell air supply system[J]. IEEE Transactions on Industry Applications, 2020, 56(5): 5523-5532.

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