Performance Analysis of Hybrid Energy Storage in Different Driving Cycles
سال انتشار: 1389
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 1,248
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شناسه ملی سند علمی:
PEDSTC02_028
تاریخ نمایه سازی: 21 تیر 1391
چکیده مقاله:
Electric Vehicles (EVs) are the best alternative to deal with fossil fuel and air pollution crisis. These vehicles have an electrical propulsion system which is connected to an Energy Storage System (ESS). Internal combustion engine propulsion system (parallel hybrid EV), engine-generator (series hybrid EV), fuel cell system (fuel cell hybrid EV) may also exist in an EV. High performance ESS is needed as a result of electric power requirement. The batteries, conventional ESS, have high energy and low power specifications for use in EVs. Another candidate for EV's ESS is ultra-capacitor (UC). The ultra-capacitors have very low energy and high power specifications. In recent years, some designs have been proposed to combine batteries and ultracapacitors to develop a hybrid energy storage system (HESS) with high energy and high power specifications. In this kind of ESS, the power fluctuation of the battery is reduced and the life of the battery is increased. In this study, the behavior of a heavy duty EV with an ESS is compared with a HESS one. This comparison is done in 5 different driving cycles which have different level of aggressiveness. The results show that the vehicle performance, the energy saving characteristics and the battery life criteria improvement values are related to the aggressiveness characteristics of driving cycles.
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نویسندگان
masoud Masih Tehrani
Mechanical Engineering Dept. University of Tehran Tehran, Iran
mohammad reza Hairi-Yazdi
Mechanical Engineering Dept. University of Tehran Tehran, Iran
damoon Bazargan
Electrical and Electronic Engineering Dept.m University of Tehran Tehran, Iran
mohsen Esfahanian
Mechanical Engineering Dept. Isfahan University of Technology Isfahan, Iran