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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.7
- 수록면
- 1,469 - 1,482 (14page)
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초록· 키워드
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In hybrid energy storage systems, supercapacitors are usually connected in series to meet the required voltage levels. Equalizers are effective in prolonging the life of hybrid energy storage systems because they eliminate the voltage imbalance on cells. This study proposes a modularized equalizer, which is based on a combination of a half-bridge inverter, an inductor, and two auxiliary capacitors. The proposed equalizer inherits the advantages of inductor-based equalization systems, but it also offers unique merits, such as low switching losses and an easy-to-use control algorithm. The zero-voltage switching scheme is analyzed, and the power model is established. A fixed-frequency operation strategy is proposed to simplify the control and lower the cost. The switching patterns and conditions for zero-voltage switching are discussed. Simulation results based on PSIM are presented to verify the validity of the proposed equalizer. An equalization test for two supercapacitor cells is performed. An experimental hybrid energy storage system, which consists of batteries and supercapacitors, is established to verify the performance of the proposed equalizer. The analysis, simulation results, and experimental results are in good agreement, thus indicating that the circuit is practical.
목차
Abstract
I. INTRODUCTION
II. PROPOSED TOPOLOGY OF EQUALIZER
III. EQUALIZATION SYSTEM ANALYSIS
IV. SIMULATION RESULTS
V. EXPERIMENTAL RESULTS
VI. CONCLUSION
REFERENCES
참고문헌 (30)
참고문헌 신청
[학술지(정기간행물)] - W. G. Hurley / 2009 / Self-equalization of cell voltages to prolong the life of VRLA batteries in standby applications / IEEE Trans. Ind. Electron 56 (6) : 2115 ~ 2120
[학술지(정기간행물)] - L. Maharjan / 2009 / State-of-charge(SOC)-balancing control of a battery energy storage system based on a cascaded PWM converter / IEEE Trans. Power Electron. 24 (6)
[학술지(정기간행물)] - L. Maharjan / 2010 / Fault-tolerant operation of a battery-energy-storage system based on a multilvel cascaded PWM converter with star configuration / IEEE Trans. Power Electron 25 (9) : 2386 ~ 2396
[학술지(정기간행물)] - L. Maharjan / 2012 / Active-power control of individual converter cells for a battery energy storage system based on a multilevel cascaded PWM converter / IEEE Trans. Power Electron. 27 (3) : 1099 ~ 1107
[학술지(정기간행물)] - H. Qian / 2011 / A high-efficiency grid-tie battery energy storage system / IEEE Trans. Power Electron 26 (3) : 886 ~ 896
[학술지(정기간행물)] - L. Maharjan / 2009 / State-of-charge(SOC)-balancing control of a battery energy storage system based on a cascaded PWM converter / IEEE Trans. Power Electron. 24 (6)
[학술지(정기간행물)] - L. Maharjan / 2010 / Fault-tolerant operation of a battery-energy-storage system based on a multilvel cascaded PWM converter with star configuration / IEEE Trans. Power Electron 25 (9) : 2386 ~ 2396
[학술지(정기간행물)] - L. Maharjan / 2012 / Active-power control of individual converter cells for a battery energy storage system based on a multilevel cascaded PWM converter / IEEE Trans. Power Electron. 27 (3) : 1099 ~ 1107
[학술지(정기간행물)] - H. Qian / 2011 / A high-efficiency grid-tie battery energy storage system / IEEE Trans. Power Electron 26 (3) : 886 ~ 896
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UCI(KEPA) : I410-ECN-0101-2017-560-000800082