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http://dx.doi.org/10.5139/JKSAS.2011.39.11.1052

Power Characteristic Variation Simulation of Hybrid Electric Propulsion System for Small UAV  

Lee, Bo-Hwa (한국항공우주연구원 추진기관팀)
Park, Poo-Min (한국항공우주연구원)
Kim, Chun-Taek (한국항공우주연구원)
Yang, Soo-Seok (한국항공우주연구원)
Ahn, Seok-Min (한국항공우주연구원)
Publication Information
Journal of the Korean Society for Aeronautical & Space Sciences / v.39, no.11, 2011 , pp. 1052-1059 More about this Journal
Abstract
It is conducted that power characteristic variation simulation of electric propulsion system that uses fuel cells, solar cells and a battery as power sources. Combining each power source, 400W electric propulsion system have been modeled and verified. In result, without active control logic, it is confirmed that battery's power response is faster than other power sources at starting and transient condition, fuel cell and solar cell are a major electrical power during cruise condition. After completing flight, SOC is 24.2% at the winter solstice and is 93% at the summer solstice, It is revealed that active power control for sustaining proper SOC is necessary as a securing the system safety and effective power distribution.
Keywords
Hybrid Electric Propulsion System; Solar Cell; Fuel Cell; Battery;
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