2019
DOI: 10.1049/iet-rpg.2018.6167
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Dual‐output DC/DC boost converter for bipolar DC microgrids

Abstract: This study presents a new step-up DC/DC converter for bipolar DC microgrids. This relies on utilising a new converter topology which offers bipolar DC outputs with the key features of boosting the input voltage and balancing the output voltages. In addition, the proposed converter can transfer power from output terminals to the input side which leads to energy saving. Due to the microgrid's loading conditions, different modes can be considered, and the operational principles are analysed in details. Applying t… Show more

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Cited by 30 publications
(12 citation statements)
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“…The works in [17], [56], [61] use a different three-level dcdc converter for feeding high-power loads and also contribute to minimize power fluctuations in bipolar dc systems. The power circuit is presented in Figure 12(c), where it can be seen that the basic unit is composed by four switching devices and their corresponding free-wheeling diodes, along with an output inductor and the output filter capacitor.…”
Section: H Three-level Dc-dc Current Redistributorsmentioning
confidence: 99%
“…The works in [17], [56], [61] use a different three-level dcdc converter for feeding high-power loads and also contribute to minimize power fluctuations in bipolar dc systems. The power circuit is presented in Figure 12(c), where it can be seen that the basic unit is composed by four switching devices and their corresponding free-wheeling diodes, along with an output inductor and the output filter capacitor.…”
Section: H Three-level Dc-dc Current Redistributorsmentioning
confidence: 99%
“…Both operated in a complementary way, in a series-combined boost and buck-boost converter. A dual-output DC-DC boost converter was reported in [30], where it employed two inductors, two diodes and two switches.…”
Section: Proposed Convertermentioning
confidence: 99%
“…Since this topology has two more components in the LCL resonant tank, the time domain analysis method described in the literature [6] is no longer applicable here. Therefore, the phasor method is adopted in this paper, which solves each sinusoidal variable at different frequencies and then The equivalent model shown in Figure 4, from which an LCL-DAB DC-DC converter can be regarded as a two port circuit, the input and output characteristics are expressed in Equation (1). Here we define the resonant frequency as s = 1∕…”
Section: Introductionmentioning
confidence: 99%