2017
DOI: 10.3390/en10091403
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Abstract: This paper proposes optimized control methods for global minimum backflow power based on a triple-phase-shift (TPS) control strategy. Three global optimized methods are derived to minimize the backflow power on the primary side, on the secondary side and on both sides, respectively. Backflow power transmission is just a portion of non-active power transmission in a dual active bridge (DAB) converter. Non-active power transmission time is proposed in this paper, which unifies zero power transmission and backflo… Show more

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Cited by 14 publications
(12 citation statements)
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“…V1 and V2 are primary and secondary side voltages. The winding ratio of the transformer is set to 1; if not so, there can be back current flow from secondary on the primary side [42,43], due to which n = 1 was used during our analysis. Figure 6 illustrates the resulting curve of the DAB-IBDC using ESPS control, where d is the phase shift ratio between the primary and secondary voltages and T is the half switching period of the isolated high-frequency transformer having a value of d between '0' and '1' [44].…”
Section: Sc Bankmentioning
confidence: 99%
“…V1 and V2 are primary and secondary side voltages. The winding ratio of the transformer is set to 1; if not so, there can be back current flow from secondary on the primary side [42,43], due to which n = 1 was used during our analysis. Figure 6 illustrates the resulting curve of the DAB-IBDC using ESPS control, where d is the phase shift ratio between the primary and secondary voltages and T is the half switching period of the isolated high-frequency transformer having a value of d between '0' and '1' [44].…”
Section: Sc Bankmentioning
confidence: 99%
“…In most papers, usually one optimization objective is selected to enhance the converter performance. For example, the current stress selected as the optimization target is minimized in [13] whereas the backflow power is considered in [14]. In fact, in terms of TPS modulation, multi-objective optimization is feasible since the TPS has three control variables, which is not addressed in the prior-art research studies.…”
Section: Introductionmentioning
confidence: 99%
“…This modulation strategy improves Energies 2018, 11, 2419 3 of 23 the converter's performances, with a more significant impact at low power, reduces RMS current, and presents a higher probability of soft switching operation [21][22][23]. However, the complexity increases due to the higher number of parameters to be controlled, which results in a higher number of possible switching modes of the converter [24][25][26][27][28]. There are different combinations of the three control variables that satisfy the same requirements of transferred power between the input and output ports of the converter.…”
Section: Introductionmentioning
confidence: 99%
“…Many works can be found in the state-of-the-art that are focused on the study of the DAB switching modes, ZVS and ZCS operation, or RMS current reduction, among other topics. In References [26,27], the authors identify five switching modes (considering positives mismatches); in Reference [28], the number of switching modes increases to twelve (considering positive and negative mismatches), all of them for condition V 1 > n·V 2 . In Reference [29], the authors analyse the charge and discharge of the parasitic MOSFET capacitances to get ZVS.…”
Section: Introductionmentioning
confidence: 99%