Main circuit design and controller parameters tuning of charging‑discharging system for supercapacitor

doi:10.19781/j.issn.1673-9140.2023.05.027

Home > Archive>Volume 38, Issue 5, 2023 >262-268. DOI:10.19781/j.issn.1673-9140.2023.05.027

Main circuit design and controller parameters tuning of charging‑discharging system for supercapacitor
DOI:
                        10.19781/j.issn.1673-9140.2023.05.027
                    
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                        LUO Huawei1LUO Huawei
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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ZHENG Yunlong1ZHENG Yunlong
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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ZHOU Liang1ZHOU Liang
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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QIN Zhengbin1QIN Zhengbin
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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XU Shan1XU Shan
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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XU Zhiqiang1XU Zhiqiang
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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LENG Zhaojin1LENG Zhaojin
Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China
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TANG Xin2TANG Xin
School of Electrical ＆ Information Engineering, Changsha University of Science ＆ Technology, Changsha 410114,China
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Affiliation:(1.Hunan Economy Institute Electric Power Design Co., Ltd., Changsha 410004, China;2.School of Electrical ＆ Information Engineering, Changsha University of Science ＆ Technology, Changsha 410114,China)
Clc Number:TM131.3
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Abstract:

Although the supercapacitor has the characteristics of fast charging?discharging speed and high power density, its charging?discharging system is vulnerable to the inherent nonlinear characteristic of converter and the impact of charging?discharging voltage disturbance. The main circuit of the charging?discharging system for supercapacitor is constructed with a bi?directional DC?DC converter, and the inductance and capacitance are designed under the conditions of current continuity and DC?bus voltage fluctuation in the allowed range. In order to enhance the robustness of the charging?discharging system, a control strategy with constant current is adopted and PI controller parameters are adjusted under the constant current mode. Simulation results show that the charging?discharging system for supercapacitor not only achieve the output current stably flowing through with small ripple, but also has strong robustness.

Key words:supercapacitor;charging‑discharging control;main circuit;control strategy with constant current

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罗华伟,郑云龙,周亮,秦正斌,许珊,徐志强,冷照进,唐欣.超级电容充放电系统的主电路设计与控制器参数整定[J].电力科学与技术学报英文版,2023,38(5):262-268. LUO Huawei, ZHENG Yunlong, ZHOU Liang, QIN Zhengbin, XU Shan, XU Zhiqiang, LENG Zhaojin, TANG Xin. Main circuit design and controller parameters tuning of charging‑discharging system for supercapacitor[J]. Journal of Electric Power Science and Technology,2023,38(5):262-268.

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