Optimized Operation of Dual-Active-Bridge DC-DC Converters in the Soft-Switching Area with Triple-Phase-Shift Control at Light Loads

Li Jiang; Yao Sun; Mei Su; Hui Wang; Hanbing Dan

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자료유형: 학술저널

저자정보: Li Jiang (Central South University) Yao Sun (Central South University) Mei Su (Central South University) Hui Wang (Central South University) Hanbing Dan (Central South University)

저널정보: 전력전자학회 JOURNAL OF POWER ELECTRONICS JOURNAL OF POWER ELECTRONICS Vol.18 No.1

발행연도: 2018.1

수록면: 45 - 55 (11page)

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It is usually difficult for dual-active-bridge (DAB) dc-dc converters to operate efficiently at light loads. This paper presents an in-depth analysis of a DAB with triple-phase-shift (TPS) control under the light load condition to overcome this problem. A kind of operating mode which is suitable for light load operation is analyzed in this paper. First, an analysis of the zero-voltage-switching (ZVS) constraints for the DAB converter has been carried out and a reasonable dead-band setting method has been proposed. Secondly, the basic operating characteristics of the converter are analyzed. Third, under the condition of satisfying the ZVS constraints, both the reactive power and the root mean square (RMS) value of the current are simultaneously minimized and a particle swarm optimization (PSO) algorithm is employed to analyze and solve this optimization problem. Lastly, both simulations and experiments are carried out to verify the effectiveness of the proposed method. The experimental results show that the converter can effectively achieve ZVS and improved efficiency.

#Dead-band #Dual-active-bridge (DAB) #Particle swarm optimization (PSO) #Reactive power #RMS value of current #Soft-switching #Triple-phase- shift (TPS)

참고문헌 (24)

참고문헌 신청

R. W. A. A. De Doncker, D. M. Divan, and M. H. Kheraluwala, “A three-phase soft-switched high-powerdensity DC/DC converter for high-power applications,” IEEE Trans. Ind. Appl., Vol. 27, No. 1, pp. 63-73, Jan./Feb. 1991. L. Xue, Z. Shen, D. Boroyevich, P. Mattavelli, and D. Diaz, “Dual active bridge-based battery charger for plug-in hybrid electric vehicle with charging current containing low frequency ripple,” IEEE Trans. Power Electron., Vol. 30, No. 12, pp. 7299-7307, Dec. 2015. Y. Shi, R. Li, Y. Xue, and H. Li, “Optimized operation of current-fed dual active bridge DC?DC converter for PV applications,” IEEE Trans. Ind. Electron., Vol. 62, No. 11, pp. 6986-6995, Nov. 2015. H. Zhou, T. Duong, S. T. Sing, and A. M. Khambadkone, “Interleaved bi-directional dual active bridge DC-DC converter for interfacing ultracapacitor in micro-grid application,” in 2010 IEEE International Symposium on Industrial Electronics (ISIE), pp. 2229-2234, Jul. 2010. H. J. Chiu and L. W. Lin, “A bidirectional DC-DC converter for fuel cell electric vehicle driving system,” IEEE Trans. Power Electron., Vol. 21, No. 4, pp. 950-958, Jul. 2006.

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