2015 IEEE International Conference on Industrial Technology (ICIT) 2015
DOI: 10.1109/icit.2015.7125404
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Dynamic control of a dual active bridge for bidirectional AC charging

Abstract: The dynamic control of a bidirectional charger based on a dual active bridge (DAB) cascaded with a singlephase grid inverter is the scope of this work. Due to a small dc-link capacitance the power fluctuation of the grid at twice the grid frequency is transferred to the battery. To compensate this ac-power fluctuation it is demonstrated how the switching pattern must be selected to achieve a continuous power transfer and improve the dynamic control of the dc-link voltage. For the control it is also taken into … Show more

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Cited by 21 publications
(5 citation statements)
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“…This results in a fluctuating charging current as shown in Figure 8b and c. As reported in [40][41][42][43][44]83,84], batteries can be charged by double line frequency (100 or 120 Hz) current with negligible side effects on their performance.…”
Section: Performance Comparisonmentioning
confidence: 67%
“…This results in a fluctuating charging current as shown in Figure 8b and c. As reported in [40][41][42][43][44]83,84], batteries can be charged by double line frequency (100 or 120 Hz) current with negligible side effects on their performance.…”
Section: Performance Comparisonmentioning
confidence: 67%
“…m and n is the frequency exponent and flux density exponent, respectively. The wire losses P dcr of DC inductor L 1 and L 2 caused by DC resistance can be calculated as: (18) where I rms is the rms value of the peak current applied to the inductor, R dc is the DC resistance of the inductor. The total losses P L of DC inductor L 1 and L 2 can be calculated as: (19) Finally, in the unity charging mode, the total loss of this AC/DC converter P total can be acquired by equations:…”
Section: Power Loss Analysismentioning
confidence: 99%
“…In [18,19] a dual active-bridge (DAB) converter is considered due to its simple topology and good output waveforms, but the current in the circulation process is high. In [20], a converter consisting of a single-phase current-source rectifier and an auxiliary switching network is proposed.…”
Section: Introductionmentioning
confidence: 99%
“…Without any further measures, neither SFPI nor PR regulators can reject the effect of voltage components of higher order and the emission of higher order current harmonics is the consequence. Thus, for the accurate control of the converter current at fundamental frequency and the rejection of higher order disturbance voltages multiple SFPI/PR regulators are used in [9], [10], [26] and [32] or alternatively repetitive control structures are applied as in [11], [27], [28] and [12].…”
Section: Introductionmentioning
confidence: 99%