2020
DOI: 10.3390/en13133475
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Asymmetrical Pulse-Width Modulation Strategy for Current-Fed Dual Active Bridge Bidirectional Isolated Converter Applied to Energy Storage Systems

Abstract: This paper proposes an asymmetrical pulse-width modulation (PWM) strategy for current-fed dual-active bridge (CFDAB) converters applied to energy storage systems (ESS). The ESS application considers low-voltage and high-capacity batteries, for low-power applications, such as data centers, residential photovoltaic systems (PV), and uninterruptable power supplies (UPS). The proposed modulation permits the use of an isolation transformer with negligible leakage inductance and, therefore, avoids the use of… Show more

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Cited by 15 publications
(18 citation statements)
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“…The final board kept dimensions of 100×100 mm, with semiconductor devices kept at the bottom of the board providing better connection to the heatsink. In the literature, numerous control strategies applicable to power electronics converters are found, including from simplified controls based on hysteresis or pulse width modulation (PWM) [34], [35], to asymmetric PWM controllers [36] and the use of multi-objective optimization algorithms [37]. Among the strategies applicable to AC-DC conversion systems, there is the average current mode control technique [38], which was implemented in this work to control voltage and current simultaneously, in order to impose input line current with low total harmonic distortion (THDi), which is a crucial indicator in electrical power quality indicators in power electronics systems [39].…”
Section: Implementation Of a Sic And Sic-cascode Based Boost Convertermentioning
confidence: 99%
“…The final board kept dimensions of 100×100 mm, with semiconductor devices kept at the bottom of the board providing better connection to the heatsink. In the literature, numerous control strategies applicable to power electronics converters are found, including from simplified controls based on hysteresis or pulse width modulation (PWM) [34], [35], to asymmetric PWM controllers [36] and the use of multi-objective optimization algorithms [37]. Among the strategies applicable to AC-DC conversion systems, there is the average current mode control technique [38], which was implemented in this work to control voltage and current simultaneously, in order to impose input line current with low total harmonic distortion (THDi), which is a crucial indicator in electrical power quality indicators in power electronics systems [39].…”
Section: Implementation Of a Sic And Sic-cascode Based Boost Convertermentioning
confidence: 99%
“…It is a bidirectional element, which cannot control the dc bus voltage. On the other hand, a battery connected with a bidirectional dc-dc converter can act in many operation modes, including their charging/discharging operation and dc bus voltage regulation [16,[38][39][40][41][42]. According to their specifications, Table 1 shows the most common power elements founded in household applications and their possible operation modes.…”
Section: Price-based Power Managementmentioning
confidence: 99%
“…The DAB has become a popular DC-DC converter over the last ten years that allows galvanic isolation, bidirectionality in power, symmetricity, controllable output, high power density, and efficiency. Due to such exceptional performance and features, it is mostly used in renewable energy systems [13,14], energy storage systems [15], DC distribution systems [16], and solid-state transformer (SST) [17]. The topology is presented in Figure 3.…”
Section: Dual Active Bridge (Dab)mentioning
confidence: 99%
“…where ξ is the ratio h/δ, δ is the skin effect defined in (15), and m is the ratio defined by the MMFs at the limits of the layers in which will depend on the interleaving arrangement technique. The value of m = 1 is the choice for this work.…”
Section: Classical Transformer Designmentioning
confidence: 99%