A Novel Nonisolated Multi-port Bidirectional DC-DC Converter With High Voltage Gain for Fuel Cell Hybrid System

Author(s):  
Yuhui Ma ◽  
Yigeng Huangfu ◽  
Liangcai Xu ◽  
Hao Bai ◽  
Fei Gao
2004 ◽  
Author(s):  
Tetsuhiro Ishikawa ◽  
Shigeki Hamaguchi ◽  
Tatsuhiko Shimizu ◽  
Tsuyoshi Yano ◽  
Shoichi Sasaki ◽  
...  

2009 ◽  
Author(s):  
W. J. Sembler ◽  
S. Kumar

The reduction of shipboard airborne emissions has been receiving increased attention due to the desire to improve air quality and reduce the generation of greenhouse gases. The use of a fuel cell could represent an environmentally friendly way for a ship to generate in-port electrical power that would eliminate the need to operate diesel-driven generators or use shore power. This paper includes a brief description of the various types of fuel cells in use today, together with a review of the history of fuel cells in marine applications. In addition, the results of a feasibility study conducted to evaluate the use of a fuel-cell hybrid system to produce shipboard electrical power are presented.


2006 ◽  
Vol 159 (1) ◽  
pp. 656-666 ◽  
Author(s):  
Wolfgang Winkler ◽  
Pedro Nehter ◽  
Mark C. Williams ◽  
David Tucker ◽  
Randy Gemmen

Author(s):  
K. Jyotheeswara Reddy ◽  
N. Sudhakar ◽  
S. Saravanan ◽  
B. Chitti Babu

AbstractHigh switching frequency and high voltage gain DC-DC boost converters are required for electric vehicles. In this paper, a new high step-up boost converter (HSBC) is designed for fuel cell electric vehicles (FCEV) applications. The designed converter provides the better high voltage gain compared to conventional boost converter and also reduces the input current ripples and voltage stress on power semiconductor switches. In addition to this, a neural network based maximum power point tracking (MPPT) controller is designed for the 1.26 kW proton exchange membrane fuel cell (PEMFC). Radial basis function network (RBFN) algorithm is used in the neural network controller to extract the maximum power from PEMFC at different temperature conditions. The performance analysis of the designed MPPT controller is analyzed and compared with a fuzzy logic controller (FLC) in MATLAB/Simulink environment.


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