Capacitor ressonante modular
Os nossos produtos revolucionam as soluções de armazenamento de energia para estações base, garantindo fiabilidade e eficiência incomparáveis nas operações de rede.
Recently, the interest in offshore wind farms has been increased significantly because of the stronger and more stable winds at sea, which will lead to a higher power production. DC/DC power conversion solutions are becoming more popular for fulfilling the growing challenges in the offshore wind power industry. This paper presents several multilevel modular DC/DC …
High power step-up modular resonant DC/DC converter for …
Recently, the interest in offshore wind farms has been increased significantly because of the stronger and more stable winds at sea, which will lead to a higher power production. DC/DC power conversion solutions are becoming more popular for fulfilling the growing challenges in the offshore wind power industry. This paper presents several multilevel modular DC/DC …
Multilevel Step-Down Resonant Switched-Capacitor ...
A new full-range regulation (FR) method for multilevel step-down RSCCs is proposed and the fixed on-time modulation for modified Dickson RSCC is provided. Multilevel resonant switched-capacitor converters (RSCCs) have drawn attention in large step-down voltage conversion but are hindered in a wide area of applications due to limited voltage …
Modular Multilevel Converter with a Sensing and Balancing (SAB ...
Modular multilevel converters (MMCs) are powerful tools of the future for high- and medium-power applications. The system is composed of cascaded connections of individual submodules. Balancing of submodule capacitor voltage is a key issue while designing MMC. The converter''s reliability will suffer because of increased voltage stress on power components …
A High-Power-Density Quasi-Resonant Switched-Capacitor …
Resonant switched-capacitors converters (ReSCCs) are becoming an attractive alternative to traditional buck converters in volume-constrained and high-conversion-ratio applications, thanks to their superior efficiency and power density. This work presents a new ReSCC topology derived from an interleaved ladder structure, which performs a nominal 4:1 …
Resonant and Multimode Switched Capacitor Converters for
In the resonant switched capacitor (ReSC) approach, the efficiency and power density of SC architectures are improved through the use of small magnetic components that …
A Multilevel Modular Capacitor-Clamped DC–DC Converter
A novel topology of a multilevel modular capacitor-clamped dc-dc converter will be presented in this paper. In contrast to the conventional flying capacitor multilevel dc-dc converter, this new topology is completely modular and requires a simpler gate drive circuit. Moreover, the new topology has many advantageous features such as high frequency …
An optimized multi-modular resonant switched capacitor converter
A bridge modular switched‐capacitor (BMSC) DC‐DC converter with soft switching operation and multilevel voltage‐gain range is proposed in this article. It is mainly composed of an ...
A High Efficiency Modular EV Charger Using Bridgeless and Resonant ...
This paper presents a bridgeless totem pole boost converter (BLTPBC) fed synchronous full bridge inductor-inductor-capacitor (FBLLC) converter based electric vehicle (EV) charger as a fundamental building block for larger capacity EV infrastructure. This EV charger comprises of BLTPBC as a front-end power factor correction (PFC) converter followed by a high efficiency …
Circulating current mitigation for renewable-based modular seven …
Modular multi-level converters (MMCs) are often used for high and medium voltage applications. However, to reduce losses and costs, many researchers prefer a half-bridge converter. In addition, the half-bridge-based MMC is vulnerable in the event of an error, so the full-bridge MMC is used here to work with faulty network states. The losses and harmonics in the …
Multilevel modular switched-capacitor resonant converter with …
In comparison to existing multilevel modular switched-capacitor circuits, the proposed switched-capacitor resonant converter (SCRC) possess voltage regulation …
Optimal Operation of Multilevel Modular Resonant Switched-Capacitor ...
Multilevel modular resonant switched-capacitor converter can achieve either zero-current switching (ZCS) or zero-voltage switching (ZVS) by utilizing different converter control strategies. This paper presents a comprehensive way to compare the root mean square (RMS) value of current flowing through switching devices in both ZCS operation and ZVS …
A Fully-Integrated Direct-Conversion Resonant Switched Capacitor ...
Increasing needs for smaller form factor electronic systems motivate higher integration of power management circuits. This has led to growing interest in high-frequency DC-DC converters with smaller passive components [1] –[6]. Even though hybrid or resonant switched capacitor (ReSC) converters show promise, full integration of inductors remains challenging. …
The Resonant Modular Multilevel DC-DC Converter Adopting …
This paper presents a quasi-resonant technique for multilevel modular switched-capacitor dc-dc converter (MMSCC) to achieve zero-current switching (ZCS) without increasing cost and sacrificing ...
Multilevel modular switched-capacitor resonant converter with …
This paper presents a novel modular multilevel switched-capacitor based resonant converter (MMSCRC) to achieve dc-dc power conversion function. In comparison to existing multileve
A novel submodule-based modular multilevel converter to …
The capacitor voltage unbalancing is the common problem in modular multilevel converter. This problem occurs even at the fundamental frequency due to the modulation technique which generates the unequal periods of the gate signals. To reduce this problem, this paper introduced a new submodule (SM)-based modular multilevel converter …
A Novel Quasi-Resonant Bridge Modular Switched-Capacitor …
A novel quasi-resonant bridge modular switched-capacitor converter (BMSCC) is proposed in the paper. The main merit is that its resonant circuit has high stability and simplicity, resulting from the employment of the stray inductance distributed in the circuit as a collective resonant inductor. Accordingly, the current spike during switching operation is …
A novel control strategy of resonant converter with modular …
The resonant converter with modular rectifier (RMR) is a promising topology for DC grid applications. This paper studies the control strategy of RMR based SiC switching …
Modeling and Control of Resonant Switched Capacitor DC
energy density of on-chip capacitors [1] [2] [3]. However, the power density in a standard switched capacitor converter is limited by the available capacitor density of a given technol-ogy, along with the trade-o with eciency due to the intrinsic charge sharing loss.
Multilevel modular switched-capacitor resonant converter with …
The proposed circuit also inherits the modular structure, simple control, low conduction loss, high switching frequency operation capability, and soft switching features …
Multilevel modular switched-capacitor resonant converter with …
This paper presents a novel modular multilevel switched-capacitor based resonant converter (MMSCRC) to achieve dc-dc power conversion function. In comparison to existing multilevel modular switched-capacitor circuits, the proposed switched-capacitor resonant converter (SCRC) possess voltage regulation capability. Its modular structure …
KEMET Electronics
During operation, the capacitor in the LLC resonant tankwill see high AC voltages, high AC currentsand ambient, temperatures above 55 C depending on cooling architecture and surrounding components. In addition, the resonant frequency of the LLC circuit will
A Novel Quasi-Resonant Bridge Modular Switched-Capacitor Converter …
A novel quasi-resonant bridge modular switched-capacitor converter (BMSCC) is proposed in the paper. The main merit is that its resonant circuit has high stability and simplicity, resulting from the employment of the stray inductance distributed in the circuit as a collective resonant inductor. Accordingly, the current spike during switching operation is …
A Step-Down Resonant Modular Multilevel DC/DC ...
In this article, a new step-down resonant modular multilevel dc/dc converter is proposed for medium-voltage applications. The proposed converter is derived from the combination of the modular multilevel converter (MMC) and resonant converter with a passive auxiliary circuit. It can achieve zero voltage switching (ZVS) over a wide input voltage range …
Optimal Operation of Multilevel Modular Resonant Switched-Capacitor …
First, a generalized modular switched capacitor converter, the "(n/m)X converter", which is a variant of the original Dickson converter is introduced. Using this generalized configuration, ...
An optimized multi-modular resonant switched capacitor converter
In this paper, an optimized multi-modular resonant switched capacitor converter (MMRSCC) is proposed for an intermediate bus converter in the power supply …
A modular concept development for resonant soft-charging step …
This article presents a step-up switched-capacitor (SC) multilevel inverter (MLI) with reduced ripple power loss by employing a soft-charging technique and modular cell. SCMLI possesses …
A Modular Concept Development for Resonant Soft-Charging …
Abstract: This article presents a step-up switched-capacitor (SC) multilevel inverter (MLI) with reduced ripple power loss by employing a soft-charging technique and modular cell. SCMLI …
Multi-Ratio Resonant Switched-Capacitor Converters
This chapter is dedicated to multi-ratio conversion. It presents a hybrid resonant converter that utilizes a multi-ratio switched-capacitor stage with two flying capacitors. It comprises three conversion ratios, 1/3, 1/2, and 2/3, suitable to support the full Li-ion...
Design and evaluation of a modular resonant switched capacitors ...
A switched-capacitor based equalization scheme is proposed for overcoming the adverse effect of shaded panels in a serially connected PV array. The proposed solution is based on a modular approach, in which each two panels are connected to a resonant switched-capacitor converter. The distribution of currents and power extraction improvement have been derived and verified …
Zero-Current-Switching Multilevel Modular Switched-Capacitor …
This paper presents a quasi-resonant technique for multilevel modular switched-capacitor dc-dc converter (MMSCC) to achieve zero-current switching (ZCS) without Abstract: This paper presents a quasi-resonant technique for multilevel modular switched-capacitor dc-dc converter (MMSCC) to achieve zero-current switching (ZCS) without …
Capacitor voltage balancing method for hybrid modular …
Due to different output voltages, capacitor voltage imbalance occurs between half-bridge sub-modules (HBSM) and full-bridge sub-modules (FBSM) in hybrid modular multilevel converters (MMCs) under a boosted modulation index (m). To address this issue, a capacitor voltage balancing method based on second-harmonic voltage injection is proposed …