Power Split Strategy for Fuel Cell Hybrid Electric System

被引:2
|
作者
Di Domenico, D. [1 ]
Speltino, C. [1 ]
Fiengo, G. [1 ]
机构
[1] Univ Sannio, Dipartimento Ingn, Benevento, Italy
关键词
CONVERTER; STATE;
D O I
10.2516/ogst/2009039
中图分类号
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号
0807 ; 0820 ;
摘要
Power Split Strategy for Fuel Cell Hybrid Electric System The power management of a hybrid system composed of a fuel cell, a battery and a DC/DC power converter is developed. A decoupled control strategy is proposed, aimed at balancing the power flow between the stack and the battery and avoiding electrochemical damage due to low oxygen concentration in the fuel cell cathode. The controller is composed of two components. The first controller regulates the compressor, and as a consequence the oxygen supplied to the cathode, via a classic Proportional-Integral controller The second controller optimally manages the current demanded by the fuel cell and battery via a linear-quadratic control strategy acting on the converter An Extended Kalman Filter is also designed in order to estimate the battery State of Charge. The closed-loop performance was tested in simulation using a 310th-order system model.
引用
收藏
页码:145 / 154
页数:10
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