| 英文摘要 |
High charge/discharge current is a major factor that shortens the health of the lithium battery. For this reason, once the electric vehicle accelerates or decelerates, the required amount of power fluctuates greatly. Therefore, this paper suggests using a supercapacitor as another energy storage component. This device is thought to be suitable for high charge/discharge current because it is based on the use of the battery semi-active hybrid energy storage architecture. Vehicle load can be generally split by the proposed real-time power split strategy. For this reason, the battery can provide a smoother power curve, and the supercapacitor bears precipitous load required for acceleration and deceleration to better prevent the lithium battery from producing a steep change in current. Finally, hybrid energy storage system (HESS) platform is built and tested. Also, HESS circuit and power split strategy are modeled in Simulink, and the results derived from the simulated and tested waveforms are validated experimentally by operating the proposed real-time power split strategy. |
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