基于電動車的超級電容驅(qū)動裝置實驗分析
季豐,陳勇濤,謝宇航
(三江學院 機械與電氣工程學院,江蘇 南京 210012)
摘 要:根據(jù)車載動力電池和超級電容各自的特點,為普通電動車加裝了超級電容驅(qū)動裝置,實現(xiàn)動力電池與超級電容混合驅(qū)動的模式。根據(jù)車輛實際運行時的功率變化特性,建立模擬實驗方法,對純電池驅(qū)動和混合驅(qū)動兩種狀態(tài)進行了實車運行的對比測試。結(jié)果表明超級電容可以提高車載電源系統(tǒng)的功率密度和放電效率,延長續(xù)駛里程,降低電池發(fā)熱程度,延長其實際使用壽命等。利用超級電容驅(qū)動裝置可輕松獲得優(yōu)于純電池驅(qū)動的功率密度。未來車載動力電池可專注于發(fā)展提高能量密度和循環(huán)使用壽命。
關鍵詞:超級電容;混合驅(qū)動;對比測試;電壓特性
中圖分類號:TM53;U467.3 文獻標識碼:B 文章編號:1007-3175(2017)05-0044-05
Experimental Analysis of Ultracapacitor Actuating Device Based on Electric Vehicles
JI Feng, CHEN Yong-tao, XIE Yu-hang
(Mechanical and Electrical Engineering Department, Sanjiang University, Nanjing 210012, China)
Abstract: According to the characteristics of car battery and ultracapacitor, the ultracapacitor driving module was added to a electric vehicle, together with battery constituting a hybrid drive mode. Based on the power variation characteristic when vehicle running, a simulation method was established to compare the pure battery-powered test and hybrid driving test. The results show that the ultracapacitor can improve the power density and discharge efficiency of vehicle power supply system, extend the vehicle miles traveled, reduce battery temperature rise, extend battery cycle life, etc. The use of ultracapacitor can easily get higher power density than pure battery-driven. The car battery development can be focused on the improvement of energy and cycle life in the future.
Key words: ultracapacitor; hybrid drive; comparison test; voltage characteristics
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