resonant-switched-capacitor boost converters with a Linear Ex-tendable Group Operated Boost (LEGO-Boost) architecture. In the LEGO-Boost architecture, multiple resonant voltage doubler
AI Customer ServiceThe additional boost capacitor could be series or parallel connected to the dc-link capacitor to produce proper excitation and demagnetization voltage. The proposed active boost converter
AI Customer Serviceresonant-switched-capacitor boost converters with a Linear Ex-tendable Group Operated Boost (LEGO-Boost) architecture. In the LEGO-Boost architecture, multiple resonant voltage doubler
AI Customer ServiceThis letter presents a novel single-phase 13-level (13L) single-source switched capacitor multilevel inverter ( $$hbox {S}^3$$ S 3 CMLI) topology with a sextuple voltage
AI Customer Serviceof seven rational VCRs to boost an input voltage of 0.25–1 V to a 1-V output. Delivering a maximum loading power of 20.4 mW, power density, rational, series–parallel (SP), switched
AI Customer ServiceThis article presents an algebraic series-parallel (ASP) topology for fully integrated switched-capacitor (SC) dc-dc boost converters with flexible fractional voltage
AI Customer ServiceConnecting two identical capacitors in series, each with voltage threshold v and capacitance c, will result into a combined capacitance of 1/2 c and voltage threshold of 2 v..
AI Customer ServiceAn algebraic series–parallel (ASP) topology for fully integrated switched-capacitor (SC) dc–dc boost converters with flexible fractional voltage conversion ratios (VCRs) can
AI Customer ServiceInspired by the advantages of multiphase series capacitor boost converter, its automatic current sharing and N-times gain control strategy is proposed and investigated.
AI Customer ServiceThis paper presents a modified topology, as shown in Figure 2, for the boost series and parallel converter to increase its conversion rate by reconfiguring capacitor
AI Customer Service5 天之前· This paper proposes a novel small film capacitor based bidirectional DC/DC converter (BDC) for the hybrid energy source systems (HESS) in electric vehicles (EVs). In the proposed
AI Customer ServiceFigure (PageIndex{2})(a) shows a parallel connection of three capacitors with a voltage applied. Here the total capacitance is easier to find than in the series case. To find the equivalent total capacitance (C_{mathrm{p}}), we first note
AI Customer ServiceI have only seen it done to increase voltage. On some power supply front-ends (AC/DC conversion) with a voltage doubler the capacitors are in parallel at low voltage and in
AI Customer ServiceThis paper presents a modified topology, as shown in Figure 2, for the boost series and parallel converter to increase its conversion rate by reconfiguring capacitor
AI Customer Servicewhen two capacitors are in series, choose incorrect a) same charge is delivered for both b) smaller the capacitor value, higher the voltage across it c) lager the capacitor value higher the
AI Customer ServiceThis study introduces a new boost-type multilevel inverter named the "nine-level switched capacitor–high-voltage gain boosting inverter" (9LSC-HVGBI). Notably, this specific
AI Customer ServiceAbstract: An input-parallel, output-series dc–dc Boost converter with a wide input voltage range is proposed in this paper. An interleaved structure is adopted in the input
AI Customer ServiceThe proposed design is grounded in an intelligent series and parallel connection of switched capacitors. The study explores the operational concepts, with a specific focus on
AI Customer ServiceAbstract: An input-parallel, output-series dc–dc Boost converter with a wide input voltage range is proposed in this paper. An interleaved structure is adopted in the input
AI Customer ServiceAbstract—This article presents an algebraic series–parallel (ASP) topology for fully integrated switched-capacitor (SC) dc–dc boost converters with flexible fractional voltage conver-sion
AI Customer ServiceDC–DC converters with voltage boost capability are widely used in a large number of power conversion applications, from fraction-of-volt to tens of thousands of volts at
AI Customer ServiceInspired by the advantages of multiphase series capacitor boost converter, its automatic current sharing and N-times gain control strategy is proposed and investigated.
AI Customer ServiceThe two-phase series capacitor (SC) Boost converter is proposed in . By adding a capacitor to the adjacent phase in traditional two-phase parallel converter, automatic current-sharing can be realized in the limited duty cycle range of 0.5 to 1.
Applying the charge balance principle for three times, through the three series capacitors, the current sharing strategy can be obtained. Then applying the inductor volt-second balance to get the constraint conditions of the four times voltage gain.
In a steady state, the total charge through the capacitor is equal to 0 in a switch period. Because of coupling capacitors in phases, the shared-current in phases can be realized through the charge balance principle for several times. Fig. 2 shows the current sharing principle mainly adopted in this paper.
But high switching and conduction losses are caused by the imbalanced current in phases, which is due to some unavoidable factors, even disrupt the operation. So current sharing is an inevitable problem for multiphase parallel converter.
It can be observed that in any operating mode, the charge balance of the phase-K series capacitor is only determined by the current through the phase-1 to phase-K + 1 phase, in which the current of phase-1 to phase-k act on the capacitor for charging and the current of phase-K + 1 acts on discharging.
So current sharing is an inevitable problem for multiphase parallel converter. To achieve this, sensors and other auxiliary elements are added in phases, and some advanced control techniques are employed , .
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